Get Free Samples! Come fill out the form ! ! !

Call us: +86 0755-82563503

English

Currency: $ US Dollar

STM32F103C8T6
MFI343S00177
STM32F407VET6
ATMEGA328P-PU

Categories
- Integrated Circuits (ICs)
  - Integrated Circuits (ICs)
  - AC to DC Converter ICs
  - Active Filters
  - ADC
  - AFE
  - Analog Multipliers & Dividers
  - Analog Switches & Multiplexers ICs
  - Application Specific Microcontrollers
  - Application Specific Timer
  - Audio Amplifiers
  - Audio Special Purpose
  - Battery Chargers ICs
  - Battery Management ICs
  - Buffers & Transceivers
  - Capacitive Sensors
  - Clock Buffers & Drivers
  - Clock Generators
  - CODECs Interface ICs
  - Comparators
  - Configuration Proms for FPGAs
  - Controllers Interface ICs
  - Converting Interface ICs
  - Counters & Dividers
  - CPLDs
  - Current Regulator IC
  - DAC
  - DC DC Voltage Regulators
  - DC to DC converter
  - DDS
  - Delay Lines Timing ICs
  - Digital Potentiometers
  - Display Drivers ICs
  - Drivers Interface ICs
  - DSP
  - Embedded ICs Modules
  - Energy Metering ICs
  - FIFOs Memory
  - Flip Flops
  - FPGAs
  - FPGAs with Microcontrollers
  - Full & Half-Bridge Drivers ICs
  - Gate Drivers ICs
  - Gates & Inverters
  - Hot Swap Controllers
  - I/O Expanders
  - IC Batteries
  - Ideal Diode controller
  - Instrumentational OP Amps
  - Interface ICs Modules
  - Laser Driver ICs
  - Latches
  - LED Driver ICs
  - Lighting Controllers
  - Linear Comparators
  - Linear Regulator Controllers
  - Linear Voltage Regulators
  - Memory
  - Memory Batteries
  - Memory Controllers
  - Microcontrollers
  - Microprocessors
  - Modems ICs & Modules
  - Motor Drivers
  - Multi-Functional Gates & Inverters
  - Multivibrators
  - Multivibrators
  - PFC PMICs
  - PLDs
  - PoE Controllers
  - Power Supply Control ICs
  - Power Switches ICs
  - Programmable Timers & Oscillators
  - RMS to DC Converters
  - RTCs
  - Sensor & Detector Interface ICs
  - Serializers & Deserializers
  - Shift Registers
  - Signal Buffers
  - Signal Switches & Multiplexers
  - Signal Terminators
  - SoC
  - Special Purpose ADCs/DACs
  - Special Purpose Amplifiers
  - Special Purpose Analog Switches
  - Specialized ICs
  - Specialized Interface ICs
  - Specialized Power Management ICs
  - Specialized Voltage Regulators
  - Specialty Logic ICs
  - Switching Voltage Regulators
  - Telecom Interface ICs
  - Thermal Management
  - Touch Screen Controllers
  - UARTs
  - Universal Bus Functions
  - V/F & F/V Converters
  - Video Amps & Modules
  - Video Processing Linear ICs
  - Voice Record and Playback
  - Voltage Reference
  - Voltage Supervisors
  - Voltage Translators & Level Shifters
  - Integrated circuits, often referred to as ICs or microchips, are miniature electronic circuits that contain thousands to billions of transistors, resistors, capacitors, and other electronic components on a small semiconductor material. ICs are the building blocks of modern electronics and are used in a vast array of devices and systems, ranging from smartphones and computers to automotive electronics and medical devices. They provide compactness, high functionality, and improved performance by integrating multiple electronic functions onto a single chip.
- Connectors
  - Connectors
  - ARINC Connectors
  - Backplane Connector Contacts
  - Backplane Connectors Accessories
  - Backplane Connectors Housings
  - Backshells and Cable Clamps
  - Banana Tip Adapters
  - Banana Tip Binding Posts
  - Banana Tip Connectors Accessories
  - Banana Tip Jacks
  - Barrel Accessories
  - Barrel Adapters
  - Barrel Audio Connectors
  - Barrel Connectors
  - Barrel Power Connectors
  - Barrier Terminal Blocks
  - Between Series Adapters
  - Blade Type Power Connectors
  - Blade Type Power Connectors
  - Blade Type Power Connectors Accessories
  - Blade Type Power Connectors Housings
  - Board In Connectors
  - Board to Board Connectors
  - Card Edge Adapters
  - Card Edge Connectors Accessories
  - Card Edge Connectors Housings
  - Card Edge Contacts
  - Centronics Connectors
  - Circular Adapters
  - Circular Connectors
  - Circular Connectors Accessories
  - Circular Connectors Housings
  - Circular Contacts
  - Coaxial Connectors
  - Coaxial Connectors Accessories
  - D-Sub Adapters
  - D-Sub Connector Housings
  - D-Sub Connector Terminators
  - D-Sub Connectors
  - D-Sub Connectors Accessories
  - D-Sub Contacts
  - D-Sub Hoods
  - D-Sub Jackscrews
  - DIN 41612 Connectors
  - Din Rail Terminal Blocks
  - Edgeboard Connectors
  - Faceplates & Frames
  - Fiber Optic Adapters
  - Fiber Optic Connectors
  - Fiber Optic Connectors Accessories
  - Fiber Optic Connectors Housings
  - Flat Flexible Connector Housings
  - Flat Flexible Connectors
  - Flat Flexible Connectors Accessories
  - Flat Flexible Contacts
  - Foil Connectors
  - Hard Metric Connector
  - Headers & Male Pins
  - Heavy Duty Connectors Accessories
  - Heavy Duty Connectors Assemblies
  - Heavy Duty Connectors Frames
  - Heavy Duty Connectors Housings
  - Heavy Duty Connectors Modules
  - Heavy Duty Contacts
  - IC Adapters
  - IC and Component Sockets
  - IC Sockets Accessories
  - Inline Memory Module Sockets
  - Interface Modules Terminal Blocks
  - Keystone Accessories
  - Keystone Inserts
  - Knife Connectors
  - Leadframe Contacts
  - LGH Connectors
  - Magnetic Wire Terminals
  - Magnetics Modular Jacks
  - Memory Card Adapters
  - Memory Card Sockets
  - Memory Connectors Accessories
  - Modular Adapters
  - Modular Connectors Accessories
  - Modular Jacks
  - Modular Plug Housings
  - Modular Plugs
  - Multi Purpose Contacts
  - Panel Mount Connectors
  - Panel Mount Terminal Blocks
  - PC Pin Terminals
  - Photovoltaic Connectors
  - Photovoltaic Connectors Accessories
  - Photovoltaic Contacts
  - Pluggable Connectors
  - Pluggable Connectors Accessories
  - Pluggable Terminal Blocks
  - Power Distribution Terminal Blocks
  - Power Entry Connectors Accessories
  - Power Entry Connectors Modules
  - Quick-Connect & Quick-Disconnect Connectors
  - Rectangular Connectors
  - Rectangular Connectors Accessories
  - Rectangular Connectors Adapters
  - Rectangular Connectors Arrays
  - Rectangular Connectors Headers
  - Rectangular Connectors Housings
  - Rectangular Contact Inserts
  - Rectangular Terminals
  - RF Adapters
  - RF Contacts
  - RF Terminators
  - Ring Terminals
  - Screw Connectors
  - Shunts & Jumpers
  - Socket Terminals
  - Solder Lug Connectors
  - Spade Connectors
  - Specialized Backplane Connectors
  - Specialized Connectors
  - Specialized Terminal Blocks
  - Spring Loaded Contacts
  - Spring Loaded Rectangular Connectors
  - SSL Connectors
  - SSL Connectors Accessories
  - SSL Contacts
  - Terminal Block Adapters
  - Terminal Blocks - Contacts
  - Terminal Blocks Accessories
  - Terminal Jumpers
  - Terminal Junction Systems
  - Terminal Marker Strips
  - Terminal Strips and Turret Boards
  - Terminal Wire Ferrules
  - Terminals Accessories
  - Terminals Adapters
  - Terminals Housings
  - Transistor Sockets
  - Turret Connectors
  - Video Adapters
  - Video Connector Accessories
  - Video Connectors
  - Wire Pin Connectors
  - Wire Splice Connectors
  - Wire-to-Board Connectors
  - Wire-to-Board Terminal Blocks
  - Wiring Blocks Accessories
  - Wiring Modular Connectors
  - Connectors are devices used to establish electrical or mechanical connections between two or more components or systems. They provide a means for joining cables, wires, or other conductive elements, enabling the transmission of electrical signals, power, or data. Connectors come in a wide range of forms, including electrical connectors, coaxial connectors, modular connectors, and fiber optic connectors. They play a critical role in industries such as telecommunications, automotive, aerospace, and consumer electronics, facilitating reliable and secure connections.
- Discrete Semiconductors
  - Discrete Semiconductors
  - Arrays BJT Transistors
  - BJT Transistors Arrays
  - Bridge Rectifiers
  - DIACs and SIDACs
  - IGBTs Modules
  - IGBTs Transistors Arrays
  - JFETs Transistors
  - MOSFETs Transistors Arrays
  - Power Driver Modules
  - Pre-Biased BJT Transistors
  - Programmable Unijunction Transistors
  - Rectifier Diode Array
  - RF BJT Transistors
  - RF Diodes
  - RF MOSFETs Transistors
  - SCRs Thyristors
  - Single BJT Transistors
  - Single IGBTs
  - Single IGBTs
  - Single MOSFETs Transistors
  - Single-Phase Diode Rectifier
  - Specialized Transistors
  - Thyristors Modules
  - TRIACs Thyristors
  - Varactors
  - Zener Diode Arrays
  - Zener Single Diodes
  - Discrete Semiconductor refer to electronic components that are individual and separate from each other, as opposed to integrated circuits that contain multiple components on a single chip. These discrete components include diodes, transistors, thyristors, and other similar devices that perform specific functions in electronic circuits. They are commonly used in power supplies, amplifiers, and other electronic devices where precise control and regulation of electrical signals is required. Discrete Semiconductor Products are available in a variety of sizes, shapes, and specifications to meet the needs of different applications. They are widely used in the electronics industry and are essential components in many electronic devices.
- Capacitors
  - Capacitors
  - Aluminum Electrolytic Capacitors
  - Aluminum Polymer Capacitors
  - Capacitor Accessories
  - Capacitor Networks
  - Ceramic Capacitors
  - Ceramic Capacitors
  - Film Capacitors
  - Mica & PTFE Capacitors
  - Niobium Oxide Capacitors
  - Silicon Capacitors
  - Supercapacitors & EDLC
  - Tantalum Capacitors
  - Tantalum Polymer Capacitors
  - Thin Film Capacitors
  - Trimmers Variable
  - Capacitors are electronic components that store and release electrical energy. They consist of two conductive plates separated by an insulating material known as a dielectric. Capacitors are widely used in electronic circuits for various purposes, including energy storage, filtering, decoupling, timing, and coupling signals. They are available in different types, such as electrolytic capacitors, ceramic capacitors, and tantalum capacitors, each with unique characteristics suitable for different applications.
- Sensors
  - Sensors
  - CdS Cells
  - Accelerometers
  - Accessories
  - Amplifiers
  - Analog & Digital Sensor
  - Analog & Digital Sensors
  - Analog Optical Sensors
  - Angle & Linear Position Measuring Sensors
  - Camera Modules
  - Color Sensors
  - Current Sensors
  - Distance Measuring Sensors
  - Dust Sensors
  - Encoders
  - Float & Level Sensors
  - Flow Sensors
  - Force Sensors
  - Gas Sensors
  - Gyroscopes
  - Humidity Sensors
  - Image Sensors
  - IMUs
  - Inclinometers
  - IrDA Transceiver Modules
  - Junction Blocks
  - Logic Optical Sensors
  - Logic Photo Detectors
  - Logic Photointerrupters
  - LVDT Transducers
  - Magnetic Compass Sensors Modules
  - Magnetic Linear Sensors ICs
  - Magnetic Position Sensors Modules
  - Magnetic Switches
  - Mechanical Temperature Sensors
  - Multi Purpose Magnets
  - Multifunction
  - NTC Thermistors
  - Occupancy Sensors
  - Optical Motion Sensors
  - Optical Sensors Remote Receiver
  - Photodiodes
  - Photoelectric Sensors
  - Phototransistors
  - Proximity Sensors
  - PTC Thermistors
  - RTD
  - Sensor Cable Accessories
  - Sensor Cable Assemblies
  - Sensor Matched Magnets
  - Shock Sensors
  - Solar Cells
  - Solid State Thermostats
  - Specialized Sensors
  - Strain Gauges
  - Thermocouple Temperature Sensors
  - Tilt Switch Sensors
  - Touch Sensors
  - Transducers
  - Transistor Optical Sensors
  - Ultrasonic Receivers
  - UV Sensors
  - Vibration Sensors
  - Sensors are devices that detect and measure physical or environmental parameters and convert them into electrical signals. They enable the acquisition of real-world data for monitoring, control, and feedback purposes. Sensors can detect variables such as temperature, pressure, light, motion, proximity, and many others. They find application in diverse fields, including automotive systems, consumer electronics, industrial automation, healthcare, and environmental monitoring.
- Resistors
  - Resistors
  - Chassis Mount Resistors
  - Chip SMD Resistors
  - Chip SMD Resistors
  - Resistor Accessories
  - Resistor Arrays
  - Specialized Resistors
  - Through Hole Resistors
  - Resistors are passive electronic components designed to impede the flow of electric current in a circuit. They are used to control current levels, divide voltage, and limit power dissipation. Resistors are available in various types, including fixed resistors, variable resistors (potentiometers), and specialized resistors for specific applications such as high power or precision requirements. They are fundamental components in electronic circuits, playing roles in voltage regulation, signal conditioning, and impedance matching.
- Isolators
  - Isolators
  - Digital Isolators
  - Isolated Gate Drivers
  - Logic Optoisolators
  - Photovoltaic Optoisolators
  - Specialized Isolators
  - Triac Optoisolators
  - Isolators, also known as isolation devices or isolating components, are electronic components designed to electrically separate or isolate different parts of a circuit or system. They provide protection by preventing unwanted electrical currents, noise, or interference from affecting sensitive components or systems. Isolators are commonly used in applications where electrical isolation is crucial, such as power supplies, communication systems, motor control, and industrial automation. They ensure reliable operation, safety, and protection from electrical disturbances or faults.
- Board Mount Power Supplies
  - Board Mount Power Supplies
  - Board Mount AC DC Converters
  - Board Mount Accessories
  - Board Mount DC DC Converters
  - Off-board LED Drivers
  - Box and enclosure products refer to electronic components that are designed to protect and house electronic devices. These products come in a variety of shapes and sizes, and are typically made from materials such as plastic, metal, or fiberglass. Box and enclosure products are essential for protecting electronic components from environmental factors such as dust, moisture, and temperature fluctuations. They also provide a secure and organized way to store and transport electronic devices. Box and enclosure products are commonly used in industries such as telecommunications, aerospace, and automotive, as well as in consumer electronics.
- RF/IF & RFID
  - RF/IF & RFID
  - Attenuators
  - Balun
  - RF Accessories
  - RF Amplifiers
  - RF Antennas
  - RF Boards
  - RF Demodulators
  - RF Detectors
  - RF Directional Coupler
  - RF Front End
  - RF Misc ICs and Modules
  - RF Mixers
  - RF Modulators
  - RF Multiplexers
  - RF Power Controller ICs
  - RF Power Dividers
  - RF Receivers
  - RF Shields
  - RF Switches
  - RF Transceiver ICs
  - RF Transceiver Modules
  - RF Transmitter
  - RF Transmitters
  - RFI & EMI Contacts
  - RFI & EMI Materials
  - RFID Accessories
  - RFID Antennas
  - RFID Boards
  - RFID ICs
  - RFID Reader Modules
  - RFID Tags
  - RF power dividers/splitters are electronic components that are used to divide or split an incoming RF signal into multiple output signals. These components are commonly used in communication systems, such as radio and television broadcasting, as well as in radar and satellite communication systems. RF power dividers/splitters are designed to maintain signal integrity and minimize signal loss, ensuring that each output signal is of equal strength and quality. They come in various configurations, including 2-way, 3-way, 4-way, and 8-way, and can be used in both indoor and outdoor applications. RF power dividers/splitters are essential components in any RF system that requires signal distribution.
- Circuit Protection
  - Circuit Protection
  - Circuit Breakers
  - Circuit Protection Accessories
  - Electrical Fuses
  - Fuseholders
  - Fuses
  - GDT
  - GFCI
  - ICL
  - Lighting Protection
  - PTC Resettable Fuses
  - Surge Suppression ICs
  - Thermal Fuses
  - TVS Diodes
  - TVS Mixed Technology
  - TVS SPDs
  - TVS Thyristors
  - TVS Varistors
  - Circuit protection is a crucial aspect of electronic components classification. It refers to the measures taken to prevent damage to electronic circuits due to overvoltage, overcurrent, or short circuits. Circuit protection devices such as fuses, circuit breakers, surge protectors, and voltage regulators are used to safeguard electronic components from damage caused by power surges, lightning strikes, and other electrical disturbances. These devices are designed to interrupt the flow of current when the voltage or current exceeds a safe level, thereby protecting the circuit and preventing damage to the electronic components. Circuit protection is essential for ensuring the reliability and longevity of electronic devices and systems.
- Crystals
  - Crystals
  - Crystals
  - Crystals Accessories
  - Oscillators
  - Pin Configurable Oscillators
  - Programmable Oscillators
  - Resonators
  - Stand Alone Programmers
  - Voltage Controlled Oscillators
  - Crystals, in the context of electronics, refer to quartz crystals or other similar crystalline structures used as precise timing references or frequency-determining elements. These crystals exhibit a phenomenon called piezoelectricity, which allows them to generate a stable and accurate electrical signal when subjected to mechanical stress or voltage. Crystals are extensively used in oscillators
- Inductors
  - Inductors
  - Adjustable Inductors
  - Delay Lines
  - Fixed Inductors
  - Signal Transformers
  - Wireless Charging Coils
  - Inductors are passive electronic components that store electrical energy in the form of a magnetic field. They are typically made of a coil of wire wound around a core material and are used in various electrical circuits and systems. Inductors resist changes in current flow and are commonly employed in filtering, energy storage, impedance matching, and signal conditioning applications. They play a vital role in applications such as power supplies, radio frequency (RF) circuits, motor control, and electromagnetic compatibility (EMC) solutions.
- Filters
  - Filters
  - Cable Ferrites
  - Ceramic Filters
  - Common Mode Chokes
  - DSL Filters
  - EMI/RFI Filters
  - Feed Through Capacitors
  - Ferrite Beads and Chips
  - Ferrite Disks and Plates
  - Filters Accessories
  - Helical Filters
  - Monolithic Crystals
  - Power Line Filter Modules
  - RF Filters
  - SAW Filters
  - Filters are electronic components designed to selectively allow or block certain frequencies or ranges of frequencies in a signal or waveform. They are used to remove unwanted noise, interference, or specific frequency components, and to shape or modify the frequency response of a circuit or system. Filters can be classified into different types, such as low-pass, high-pass, band-pass, and band-stop filters, each serving specific purposes in applications ranging from audio and communication systems to power electronics and signal processing.
- View All

Items : %s%s

Integrated Circuits (ICs)

Integrated circuits, often referred to as ICs or microchips, are miniature electronic circuits that contain thousands to billions of transistors, resistors, capacitors, and other electronic components on a small semiconductor material. ICs are the building blocks of modern electronics and are used in a vast array of devices and systems, ranging from smartphones and computers to automotive electronics and medical devices. They provide compactness, high functionality, and improved performance by integrating multiple electronic functions onto a single chip.

Name	Manufacturer	Pricing(USD)	Quantity	Datasheet	Factory Lead Time	Packaging	Published	Series	Part Status	Moisture Sensitivity Level (MSL)	Number of Terminations	ECCN Code	Length	RoHS Status	Additional Feature	Package / Case	Interface	Reach Compliance Code	Width	Mounting Type	Operating Temperature	Technology	Input Type	Height Seated (Max)	HTS Code	Number of Functions	Type	JESD-609 Code	Terminal Finish	Terminal Position	Terminal Form	Peak Reflow Temperature (Cel)	Supply Voltage	Time@Peak Reflow Temperature-Max (s)	Base Part Number	Pin Count	Temperature Grade	Surface Mount	Terminal Pitch	JESD-30 Code	Supply Voltage-Min (Vsup)	Operating Temperature (Max)	Operating Temperature (Min)	Subcategory	Qualification Status	Power Supplies	Supply Voltage-Max (Vsup)	Consumer IC Type	Configuration	Output Polarity	Data Rate	Receiver Hysteresis	Applications	Load Capacitance	Supplier Device Package	Speed	Oscillator Type	Propagation Delay (tpd)	Number of Inputs	Ethernet	USB	SATA	Core Processor	RAM Size	Number of Bits	Number of I/O	Address Bus Width	Supply Current-Max	Voltage - Supply	Protocol	Boundary Scan	Low Power Mode	External Data Bus Width	Format	Bus Compatibility	Architecture	uPs/uCs/Peripheral ICs Type	Peripherals	Family	Clock Frequency	Bit Size	Has ADC	DMA Channels	PWM Channels	DAC Channels	ROM Programmability	Logic Type	Voltage - Supply (Vcc/Vdd)	Reference Type	ROM (words)	Data Interface	On Chip Program ROM Width	CPU Family	Integrated Cache	Sampling Rate (Per Second)	Voltage - Supply, Analog	Voltage - Supply, Digital	Ratio - S/H:ADC	Voltage - I/O	EEPROM Size	Program Memory Type	Number of Cores/Bus Width	Graphics Acceleration	RAM Controllers	Co-Processors/DSP	Security Features	Display & Interface Controllers	Additional Interfaces	Connectivity	Number of Drivers/Receivers	Duplex	Core Size	Program Memory Size	Data Converter
MC9S12DG256CPVE	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download	10 Weeks	Tray	2005	HCS12	Active	3 (168 Hours)	112		20mm	ROHS3 Compliant	ALSO REQUIRES 5V SUPPLY	112-LQFP			20mm	Surface Mount	-40°C~85°C TA	CMOS		1.6mm	8542.31.00.01			e3	Matte Tin (Sn)	QUAD	GULL WING	260	2.5V	40	MC9S12DG256			YES	0.65mm	S-PQFP-G112	2.35V			Microcontrollers	Not Qualified	2.55V	2.75V									25MHz	Internal							12K x 8		91	19	65mA					16				MICROCONTROLLER	PWM, WDT		16MHz	16	YES	NO	YES	NO			2.35V~5.25V		262144			CPU12							4K x 8	FLASH								CANbus, I2C, SCI, SPI			16-Bit	256KB 256K x 8	A/D 16x10b
MK20DX256ZVLK10	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download		Tray	2012	Kinetis K20	Not For New Designs	3 (168 Hours)	80	3A991.A.2	12mm	ROHS3 Compliant		80-LQFP			12mm	Surface Mount	-40°C~105°C TA	CMOS		1.6mm	8542.31.00.01			e3	Matte Tin (Sn)	QUAD	GULL WING	260	3.3V	40	MK20DX256			YES	0.5mm	S-PQFP-G80	1.71V				Not Qualified		3.6V									100MHz	Internal						ARM® Cortex®-M4	64K x 8		52											MICROCONTROLLER, RISC	DMA, I2S, LVD, POR, PWM, WDT		50MHz	32	YES	YES	YES	YES			1.71V~3.6V												4K x 8	FLASH								CANbus, EBI/EMI, I2C, IrDA, SD, SPI, UART/USART, USB, USB OTG			32-Bit	256KB 256K x 8	A/D 27x16b; D/A 1x12b
XPC8260CZUIHBC	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download		Tray	2004	MPC82xx	Obsolete	3 (168 Hours)	480	5A991	37.5mm	Non-RoHS Compliant		480-LBGA Exposed Pad					-40°C~105°C TA	CMOS		1.65mm	8542.31.00.01			e0	TIN LEAD	BOTTOM	BALL	220	1.8V	30	PC8260			YES	1.27mm	S-PBGA-B480	1.7V						1.9V									200MHz				10/100Mbps (3)			PowerPC G2				32				YES	NO	64	FLOATING POINT			MICROPROCESSOR, RISC			66.66MHz	32													YES					3.3V			1 Core 32-Bit	No	DRAM, SDRAM	Communications; RISC CPM			I2C, SCC, SMC, SPI, UART, USART
MKW36A512VFP4	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download	14 Weeks			Automotive, AEC-Q100	Active	3 (168 Hours)	40		6mm	RoHS Compliant		40-QFN		compliant	6mm	Surface Mount		CMOS		1mm						QUAD	NO LEAD	260	3V	40			INDUSTRIAL	YES	0.5mm	S-PQCC-N40	1.71V	105°C	-40°C				3.6V									48 MHz										18											MICROCONTROLLER, RISC			32MHz	32	YES	YES	YES	NO	FLASH						8
P87LPC768FD,512	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download		Tube	2011	LPC700	Obsolete	2 (1 Year)	20		12.8mm	ROHS3 Compliant	ALSO OPERATES AT 2.7V MIN SUPPLY @ 10MHZ	20-SOIC (0.295, 7.50mm Width)			7.5mm	Surface Mount	-40°C~85°C TA	CMOS		2.65mm	8542.31.00.01			e4	NICKEL PALLADIUM GOLD	DUAL	GULL WING	260	5V	30	P87LPC768	20		YES	1.27mm	R-PDSO-G20	4.5V			Microcontrollers	Not Qualified	3/5V	6V									20MHz	Internal						8051	128 x 8		18		25mA									MICROCONTROLLER	Brown-out Detect/Reset, LED, POR, PWM, WDT		20MHz	8	YES	NO	YES	NO			2.7V~6V		4096											OTP								I2C, UART/USART			8-Bit	4KB 4K x 8	A/D 4x8b
MC56F84442VLH	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1		13 Weeks	Tray	2002	56F8xxx	Active	3 (168 Hours)	64	3A991.A.2	10mm	ROHS3 Compliant		64-LQFP			10mm	Surface Mount	-40°C~105°C TA	CMOS						e3	Matte Tin (Sn)	QUAD	GULL WING	260	3.3V	40	MC56F844			YES	0.5mm	S-PQFP-G64	2.7V			Microcontrollers	Not Qualified	3.3V	3.6V									60MHz	Internal						56800EX	8K x 8		54											MICROCONTROLLER	Brown-out Detect/Reset, DMA, LVD, POR, PWM, WDT		16MHz	32	YES	YES	YES	NO			3V~3.6V		65536										2K x 8	FLASH								CANbus, I2C, LINbus, SCI, SPI			32-Bit	64KB 64K x 8	A/D 16x12b, 8x16b
SPC5602BK0VLL6	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1		14 Weeks	Tray	2006	MPC56xx Qorivva	Active	3 (168 Hours)	100		14mm	ROHS3 Compliant		100-LQFP			14mm	Surface Mount	-40°C~105°C TA									QUAD	GULL WING	260	5V	40	SPC5602			YES	0.5mm		4.5V						5.5V									64MHz	Internal						e200z0h	24K x 8		79											MICROCONTROLLER, RISC	DMA, POR, PWM, WDT		8MHz	32	YES	NO	YES				3V~5.5V												64K x 8	FLASH								CANbus, I2C, LINbus, SCI, SPI			32-Bit	256KB 256K x 8	A/D 28x10b
SPC5774KQK0MMY3	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1						Obsolete	1 (Unlimited)				ROHS3 Compliant
MPC8306CVMAFDCA	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1		10 Weeks	Tray	2002	MPC83xx	Active	3 (168 Hours)	369	3A991.A.2	19mm	ROHS3 Compliant		369-LFBGA					-40°C~105°C TA	CMOS		1.61mm	8542.31.00.01			e2	TIN COPPER/TIN SILVER	BOTTOM	BALL	260	1V	40	MPC8306			YES	0.8mm	S-PBGA-B369																333MHz				10/100Mbps (3)	USB 2.0 (1)		PowerPC e300c3								YES	YES		FLOATING POINT			MICROPROCESSOR, RISC			66.67MHz	32													YES					1.8V 3.3V			1 Core 32-Bit	No	DDR2	Communications; QUICC Engine			CAN, DUART, I2C, MMC/SD, SPI, TDM
A7102CHTK2/T0BC2CJ	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download	14 Weeks	Tape & Reel (TR)		A71CH	Active	1 (Unlimited)				ROHS3 Compliant		8-VDFN Exposed Pad	I2C			Surface Mount	-40°C~90°C TA											260		NOT SPECIFIED														CONSUMER CIRCUIT					Authentication										MX51						2.5V~3.6V
MC33662JEFR2	NXP USA Inc.	3.5270	Add to Cart Min: 1 Mult: 1	download	12 Weeks	Tape & Reel (TR)	2003		Not For New Designs	3 (168 Hours)	8	EAR99	4.9mm	ROHS3 Compliant		8-SOIC (0.154, 3.90mm Width)			3.9mm	Surface Mount	-40°C~125°C			1.75mm	8542.39.00.01	1	Transceiver	e3	Matte Tin (Sn)	DUAL	GULL WING	260	13.5V	40	MC33662			YES	1.27mm	R-PDSO-G8					Not Qualified						10kbps	175mV																	7V~18V	LINbus																																								1/1	Half
74HC283N,652	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download		Tube	2001	74HC	Obsolete	1 (Unlimited)	16		19.025mm	ROHS3 Compliant	FULL ADDER; WITH INTERNAL CARRY LOOKAHEAD; PERMITS RIPPLE CARRY CASCADING	16-DIP (0.300, 7.62mm)			7.62mm	Through Hole	-40°C~125°C	CMOS				1		e4	NICKEL PALLADIUM GOLD	DUAL		260	2V~6V	30	74HC283	16		NO		R-PDIP-T16				Arithmetic Circuits	Not Qualified	2/6V				TRUE				50pF				315 ns							4														HC/UH								Binary Full Adder with Fast Carry
MPC8548VTAUJD	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download		Tray	2002	MPC85xx	Obsolete	3 (168 Hours)		3A991.A.2		ROHS3 Compliant		783-BBGA, FCBGA					0°C~105°C TA	CMOS			8542.31.00.01			e2	Tin/Silver (Sn/Ag)						MPC8548																					1.333GHz				10/100/1000Mbps (4)			PowerPC e500														MICROPROCESSOR																						1.8V 2.5V 3.3V			1 Core 32-Bit	No	DDR, DDR2, SDRAM	Signal Processing; SPE			DUART, I2C, PCI, RapidIO
PCIMX515DJM8C	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1			Tray	2008	i.MX51	Obsolete	3 (168 Hours)				ROHS3 Compliant		529-LFBGA					-20°C~85°C TC														PCIMX515																					800MHz				10/100Mbps (1)	USB 2.0 (3), USB 2.0 + PHY (1)		ARM® Cortex®-A8																																				1.2V 1.875V 2.775V 3.0V			1 Core 32-Bit	Yes	LPDDR, DDR2	Multimedia; NEON™ SIMD	Boot Security, Cryptography, Hardware ID, RTIC, Secure JTAG	Keypad, LCD	1-Wire, AC'97, I2C, I2S, MMC/SD, SPI, SSI, UART
ADC1410S080HN/C1,5	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download		Tray	2010		Obsolete	3 (168 Hours)				ROHS3 Compliant		40-VFQFN Exposed Pad				Surface Mount	-40°C~85°C		Differential, Single Ended												ADC1410S														S/H-ADC										1						14											Pipelined													External, Internal		LVDS - Parallel, Parallel				80M	2.85V~3.4V	2.85V~3.4V	1:1
MPC745CVT350LE	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download		Tray	2001	MPC7xx	Obsolete	3 (168 Hours)				ROHS3 Compliant		255-BBGA, FCBGA					0°C~105°C TA														MPC745																					350MHz							PowerPC																																				2.5V 3.3V			1 Core 32-Bit	No
KMPC8323EVRAFDC	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download		Tray	2004	MPC83xx	Obsolete	3 (168 Hours)				ROHS3 Compliant		516-BBGA					0°C~105°C TA														MPC8323																				516-FPBGA (27x27)	333MHz				10/100Mbps (3)	USB 2.0 (1)		PowerPC e300c2																																				1.8V 2.5V 3.3V			1 Core 32-Bit	No	DDR, DDR2	Communications; QUICC Engine, Security; SEC 2.2	Cryptography		DUART, I2C, PCI, SPI, TDM, UART
SC51650VFR2	NXP USA Inc.	5.0831	Add to Cart Min: 1 Mult: 1						Obsolete	3 (168 Hours)				ROHS3 Compliant
MCIMX6S5EVM10AC	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download	15 Weeks	Tray	2002	i.MX6S	Active	3 (168 Hours)	624		21mm	ROHS3 Compliant		624-LFBGA					-20°C~105°C TJ	CMOS		1.6mm				e1	Tin/Silver/Copper (Sn/Ag/Cu)	BOTTOM	BALL	260		40				YES	0.8mm	S-PBGA-B624	1.35V						1.5V									1.0GHz				10/100/1000Mbps (1)	USB 2.0 + PHY (4)		ARM® Cortex®-A9				26				YES	YES	32	FIXED POINT			MICROPROCESSOR, RISC																	YES					1.8V 2.5V 2.8V 3.3V			1 Core 32-Bit	Yes	LPDDR2, LVDDR3, DDR3	Multimedia; NEON™ SIMD	ARM TZ, Boot Security, Cryptography, RTIC, Secure Fusebox, Secure JTAG, Secure Memory, Secure RTC, Tamper Detection	Keypad, LCD	CAN, I2C, I2S, MMC/SD/SDIO, SAI, SPI, SSI, UART
LS1046ASE8T1A	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download	18 Weeks	Tray	2016	QorIQ® Layerscape	Active	3 (168 Hours)	780		23mm	ROHS3 Compliant		780-FBGA, FCBGA					0°C~105°C	CMOS		2.61mm						BOTTOM	BALL	250	1V	30				YES	0.8mm	S-PBGA-B780	0.97V						1.03V									1.8GHz				10GbE (2), 2.5GbE (1), 1GbE (4)	USB 3.0 (3) + PHY	SATA 6Gbps (1)	ARM® Cortex®-A72			76	14				YES		64		I2C, PCI, SPI, UART, USB																											4 Core 64-Bit		DDR4		Secure Boot, TrustZone®
MPC8560PXAQFC	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download		Tray	2002	MPC85xx	Obsolete	3 (168 Hours)				ROHS3 Compliant		784-BBGA, FCBGA					0°C~105°C TA														MPC8560																					1.0GHz				10/100/1000Mbps (2)			PowerPC e500																																				2.5V 3.3V			1 Core 32-Bit	No	DDR, SDRAM	Communications; CPM			I2C, PCI, RapidIO, SPI, TDM, UART
LS1021AXN7HNB	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download	18 Weeks	Tray	2002	QorIQ® Layerscape	Active	3 (168 Hours)	525	3A991.A.1	19mm	ROHS3 Compliant		525-FBGA, FCBGA					-40°C~105°C	CMOS		2.07mm	8542.31.00.01					BOTTOM	BALL	260	1V	40				YES	0.8mm	S-PBGA-B525	0.97V						1.03V									800MHz				GbE (3)	USB 3.0 (1) + PHY	SATA 6Gbps (1)	ARM® Cortex®-A7														MICROPROCESSOR CIRCUIT																									2 Core 32-Bit		DDR3L, DDR4		Secure Boot, TrustZone®	2D-ACE
MC145574APB	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download		Tray	1999		Obsolete	1 (Unlimited)				Non-RoHS Compliant		32-LQFP				Surface Mount							Transceiver								MC145574A																																		4.75V~5.25V
MCIMX6D5EZK08AE	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download	15 Weeks	Tray	2002	i.MX6D	Active	3 (168 Hours)				ROHS3 Compliant		569-LFBGA					-20°C~105°C TJ				8542.39.00.01							260		40																						800MHz				10/100/1000Mbps (1)	USB 2.0 + PHY (4)	SATA 3Gbps (1)	ARM® Cortex®-A9																																				1.8V 2.5V 2.8V 3.3V			2 Core 32-Bit	Yes	LPDDR2, LVDDR3, DDR3	Multimedia; NEON™ SIMD	ARM TZ, Boot Security, Cryptography, RTIC, Secure Fusebox, Secure JTAG, Secure Memory, Secure RTC, Tamper Detection	Keypad, LCD	CAN, I2C, I2S, MMC/SD/SDIO, SAI, SPI, SSI, UART
MCIMX31LVKN5BR2	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download		Tape & Reel (TR)	2008	i.MX31	Obsolete	3 (168 Hours)				ROHS3 Compliant		457-LFBGA					0°C~70°C TA														MCIMX31																					532MHz					USB 2.0 (3)		ARM1136JF-S																																				1.8V 2.0V 2.5V 2.7V 3.0V			1 Core 32-Bit	Yes	DDR	Multimedia; GPU, IPU, MPEG-4, VFP	Random Number Generator, RTIC, Secure Fusebox, Secure JTAG, Secure Memory	Keyboard, Keypad, LCD	1-Wire, AC97, ATA, FIR, I2C, I2S, MMC/SD/SDIO, MSHC, PCMCIA, SDHC, SIM, SPI, SSI, UART
MPC8560VT667LB	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download		Tray	2002	MPC85xx	Obsolete	3 (168 Hours)				ROHS3 Compliant		784-BBGA, FCBGA					0°C~105°C TA														MPC8560																					667MHz				10/100/1000Mbps (2)			PowerPC e500																																				2.5V 3.3V			1 Core 32-Bit	No	DDR, SDRAM	Communications; CPM			I2C, PCI, RapidIO, SPI, TDM, UART
MC7448VU1000ND	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download	12 Weeks	Tray	1994	MPC74xx	Active	1 (Unlimited)	360	3A991.A.1	25mm	ROHS3 Compliant		360-CBGA, FCCBGA					0°C~105°C TA	CMOS		2.8mm	8542.31.00.01			e2	TIN COPPER/TIN SILVER	BOTTOM		260	1V	40	MC7448			YES	1.27mm	S-CBGA-N360	0.95V			Microprocessors		1.31.8/2.5V	1.05V									1.0GHz							PowerPC G4								NO	YES		FIXED POINT			MICROPROCESSOR, RISC			1000MHz	32													NO					1.5V 1.8V 2.5V			1 Core 32-Bit	No		Multimedia; SIMD
MPC8360ECVVAGDG	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download		Tray	2006	MPC83xx	Obsolete	3 (168 Hours)	740	5A002.A.1	37.5mm	ROHS3 Compliant		740-LBGA					-40°C~105°C TA	CMOS		1.69mm	8542.31.00.01			e2	TIN COPPER/TIN SILVER	BOTTOM	BALL	260	1.2V	40	MPC8360			YES	1mm	S-PBGA-B740	1.14V			Microprocessors		1.8/2.53.3V	1.26V									400MHz				10/100/1000Mbps (1)	USB 1.x (1)		PowerPC e300				32				YES	YES	32	FLOATING POINT			MICROPROCESSOR, RISC			66.67MHz	32													YES					1.8V 2.5V 3.3V			1 Core 32-Bit	No	DDR, DDR2	Communications; QUICC Engine, Security; SEC	Cryptography, Random Number Generator		DUART, HDLC, I2C, PCI, SPI, UART
T2080NXN8T1B	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download	18 Weeks			QorIQ T2	Active	3 (168 Hours)				ROHS3 Compliant		896-BFBGA, FCBGA					0°C~105°C TA																																			1.8GHz				1Gbps (8), 2.5Gbps (4), 10Gbps (4)	USB 2.0 + PHY (2)	SATA 3Gbps (2)	PowerPC e6500																																							4 Core 64-Bit		DDR3, DDR3L		Boot Security, Cryptography, Secure Fusebox, Secure Debug, Tamper Detection, Volatile key Storage
MPC8540VTAQFB	NXP USA Inc.	0.0000	RFQ Min: 1 Mult: 1	download		Tray	2002	MPC85xx	Obsolete	3 (168 Hours)				ROHS3 Compliant		784-BBGA, FCBGA					0°C~105°C TA														MPC8540																					1.0GHz				10/100Mbps (1), 10/100/1000Mbps (2)			PowerPC e500																																				2.5V 3.3V			1 Core 32-Bit	No	DDR, SDRAM				DUART, I2C, PCI, RapidIO

MC9S12DG256CPVE NXP USA Inc.
256KB 256K x 8 FLASH 16-Bit Microcontroller HCS12 Series MC9S12DG256 2.5V 112-LQFP

Price: 0.0000
RFQ
MK20DX256ZVLK10 NXP USA Inc.
256KB 256K x 8 FLASH ARM® Cortex®-M4 32-Bit Microcontroller Kinetis K20 Series MK20DX256 3.3V 80-LQFP

Price: 0.0000
RFQ
XPC8260CZUIHBC NXP USA Inc.
1.27mm PowerPC G2 32-bit Microprocessor MPC82xx Series PC8260 1.8V 480-LBGA Exposed Pad

Price: 0.0000
RFQ
MKW36A512VFP4 NXP USA Inc.
Microcontroller Automotive, AEC-Q100 Series 3V 40-QFN

Price: 0.0000
RFQ
P87LPC768FD,512 NXP USA Inc.
4KB 4K x 8 OTP 8051 8-Bit Microcontroller LPC700 Series P87LPC768 5V 20-SOIC (0.295, 7.50mm Width)

Price: 0.0000
RFQ
MC56F84442VLH NXP USA Inc.
64KB 64K x 8 FLASH 56800EX 32-Bit Microcontroller 56F8xxx Series MC56F844 3.3V 64-LQFP

Price: 0.0000
RFQ
SPC5602BK0VLL6 NXP USA Inc.
256KB 256K x 8 FLASH e200z0h 32-Bit Microcontroller MPC56xx Qorivva Series SPC5602 5V 100-LQFP

Price: 0.0000
RFQ
SPC5774KQK0MMY3 NXP USA Inc.
Microcontroller

Price: 0.0000
RFQ
MPC8306CVMAFDCA NXP USA Inc.
0.8mm PowerPC e300c3 32-bit Microprocessor MPC83xx Series MPC8306 1V 369-LFBGA

Price: 0.0000
RFQ
A7102CHTK2/T0BC2CJ NXP USA Inc.
Interface - UARTs (Universal Asynchronous Receiver Transmitter) 260

Price: 0.0000
RFQ
MC33662JEFR2 NXP USA Inc.
8 Terminations MC33662 Receivers 1/1 Drivers/Receivers 1 Functions

Price: 3.5270
RFQ
74HC283N,652 NXP USA Inc.
4 Bit Binary Full Adder with Fast Carry 2/6V -40°C~125°C Specialty Logic IC 74HC Series 74HC283 2V~6V 16-DIP (0.300, 7.62mm)

Price: 0.0000
RFQ
MPC8548VTAUJD NXP USA Inc.
PowerPC e500 Microprocessor MPC85xx Series MPC8548 783-BBGA, FCBGA

Price: 0.0000
RFQ
PCIMX515DJM8C NXP USA Inc.
ARM? Cortex?-A8 Microprocessor i.MX51 Series PCIMX515 529-LFBGA

Price: 0.0000
RFQ
ADC1410S080HN/C1,5 NXP USA Inc.
14 Bit ADC ADC1410S 40-VFQFN Exposed Pad

Price: 0.0000
RFQ
MPC745CVT350LE NXP USA Inc.
PowerPC Microprocessor MPC7xx Series MPC745 255-BBGA, FCBGA

Price: 0.0000
RFQ
KMPC8323EVRAFDC NXP USA Inc.
PowerPC e300c2 Microprocessor MPC83xx Series MPC8323 516-BBGA

Price: 0.0000
RFQ
SC51650VFR2 NXP USA Inc.
Receivers

Price: 5.0831
RFQ
MCIMX6S5EVM10AC NXP USA Inc.
0.8mm ARM? Cortex?-A9 Microprocessor i.MX6S Series 624-LFBGA

Price: 0.0000
RFQ
LS1046ASE8T1A NXP USA Inc.
0.8mm ARM? Cortex?-A72 Microprocessor QorIQ? Layerscape Series 1V 780-FBGA, FCBGA

Price: 0.0000
RFQ
MPC8560PXAQFC NXP USA Inc.
PowerPC e500 Microprocessor MPC85xx Series MPC8560 784-BBGA, FCBGA

Price: 0.0000
RFQ
LS1021AXN7HNB NXP USA Inc.
0.8mm ARM? Cortex?-A7 Microprocessor QorIQ? Layerscape Series 1V 525-FBGA, FCBGA

Price: 0.0000
RFQ
MC145574APB NXP USA Inc.
MC145574A Receivers

Price: 0.0000
RFQ
MCIMX6D5EZK08AE NXP USA Inc.
ARM? Cortex?-A9 Microprocessor i.MX6D Series 569-LFBGA

Price: 0.0000
RFQ
MCIMX31LVKN5BR2 NXP USA Inc.
ARM1136JF-S Microprocessor i.MX31 Series MCIMX31 457-LFBGA

Price: 0.0000
RFQ
MPC8560VT667LB NXP USA Inc.
PowerPC e500 Microprocessor MPC85xx Series MPC8560 784-BBGA, FCBGA

Price: 0.0000
RFQ
MC7448VU1000ND NXP USA Inc.
1.27mm PowerPC G4 1.31.8/2.5V 32-bit Microprocessor MPC74xx Series MC7448 1V 360-CBGA, FCCBGA

Price: 0.0000
RFQ
MPC8360ECVVAGDG NXP USA Inc.
1mm PowerPC e300 1.8/2.53.3V 32-bit Microprocessor MPC83xx Series MPC8360 1.2V 740-LBGA

Price: 0.0000
RFQ
T2080NXN8T1B NXP USA Inc.
PowerPC e6500 Microprocessor QorIQ T2 Series 896-BFBGA, FCBGA

Price: 0.0000
RFQ
MPC8540VTAQFB NXP USA Inc.
PowerPC e500 Microprocessor MPC85xx Series MPC8540 784-BBGA, FCBGA

Price: 0.0000
RFQ

Integrated Circuits (ICs)

Additional Feature

Applications

Base Part Number

Capacitance

Connector Type

Contact Material

Contact Plating

Core Size

Current - Supply

Depth

Diode Element Material

ECCN Code

Factory Lead Time

Feature

fmax-Min

Frequency

Housing Material

HTS Code

Insulation Material

JESD-30 Code

JESD-609 Code

JTAG BST

Lifecycle Status

Manufacturer Package Identifier

Material

Max Operating Temperature

Max Power Dissipation

Mfr

Min Operating Temperature

Moisture Sensitivity Level (MSL)

Mount

Mounting Feature

Mounting Type

Number of Pins

Number of Positions

Number of Rows

Number of Terminals

Number of Terminations

Operating Supply Current

Operating Temperature

P1dB

Package / Case

Packaging

Packing Method

Part Status

Pbfree Code

Peak Reflow Temperature (Cel)

Pin Count

Power (Watts)

Power Rating

Product Weight (g)

Prop. Delay@Nom-Sup

PSRR-Min

Published

Resistance

RoHS Status

Series

Subcategory

Supplier Device Package

Supply Voltage

Surface Mount

Technology

Temperature Coefficient

Temperature Grade

Terminal Finish

Terminal Form

Terminal Position

Terminal Shape

Termination

Time@Peak Reflow Temperature-Max (s)

Tolerance

Transistor Element Material

Type

USB

Voltage - Rated

Voltage - Rated DC

Voltage - Supply

Weight

How can I quickly find answers to my questions?