Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Lifecycle Status Mount Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations Termination ECCN Code Max Operating Temperature Min Operating Temperature Operating Supply Voltage Length RoHS Status Lead Free Contact Plating Radiation Hardening Number of Pins Additional Feature Package / Case Interface Max Supply Voltage REACH SVHC Reach Compliance Code Min Supply Voltage Frequency Height Width Mounting Type Weight Operating Temperature Technology Height Seated (Max) HTS Code Number of Functions Nominal Supply Current 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) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Adjustable Threshold Supplier Device Package Logic Function Access Time Memory Size RAM Size Number of Bits Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency Time-Min Interrupt Capability Volatile Information Access Method Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1340Z-33 DS1340Z-33 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2002 Obsolete 1 (Unlimited) 8 EAR99 4.9mm Non-RoHS Compliant Contains Lead 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial not_compliant 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1340 8 YES 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 3.3V Leap Year, Trickle-Charger 2.97V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO I2C YY-MM-DD-dd 150μA @ 5.5V 1.3V~5.5V
RTC-62421A RTC-62421A EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 18-DIP (0.300, 7.62mm) Parallel Through Hole -40°C~85°C Clock/Calendar Leap Year 18-DIP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.8μA~3μA @ 2V~5V
RX-8025SA:AC0 RX-8025SA:AC0 EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) RX-8025SA Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
RX-8025SA:AA3 RX-8025SA:AA3 EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) RX-8025SA Active 1 (Unlimited) 85°C -40°C 3V ROHS3 Compliant Contains Lead 14 14-SOIC (0.209, 5.30mm Width) I2C, 2-Wire Serial 5.5V 1.7V Surface Mount 240.999296mg -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP Clock 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
DS1371 DS1371 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Bulk yes 1 8 EAR99 3mm RoHS Compliant No UMAX 3mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 8 INDUSTRIAL YES 0.65mm S-PDSO-G8 1.7V 85°C -40°C Timer or RTC 1.8/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y SERIAL, 2-WIRE/I2C 1
DS1688 DS1688 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2005 no Obsolete 1 (Unlimited) 28 EAR99 36.83mm Non-RoHS Compliant Contains Lead 28 CAN ALSO OPERATE AT 5V 28-DIP (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 5.08mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 5V NOT SPECIFIED DS1688 28 2.54mm Timer or RTC Not Qualified 3/5V Alarm, Leap Year, Square Wave Output, Unique ID Clock 114B 16 2.7V~3.3V 4.5V~5.5V HH:MM:SS (12/24 hr) 8 SECONDS Y YES 1 YY-MM-DD
DS1339U-3+ DS1339U-3+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3V 30 DS1339 8 YES 0.65mm Timer or RTC Not Qualified 3V Alarm, Leap Year, Square Wave Output, Trickle-Charger 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 150μA @ 3.3V 1.3V~3.7V
RTC-4543SA:A0:PURE SN RTC-4543SA:A0:PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RTC-4543SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar 14-SOP 2.5V~5.5V 1μA~3μA @ 2V~5V
DS1315EN-33 DS1315EN-33 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2002 yes Obsolete 1 (Unlimited) 20 EAR99 3.3V 6.5mm Non-RoHS Compliant Contains Lead No 20 20-TSSOP (0.173, 4.40mm Width) Parallel 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1315 20 0.65mm Timer or RTC Leap Year Clock 3V~3.6V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.1mA @ 3.3V 2.5V~3.7V
DS1643-100 DS1643-100 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 1997 yes Obsolete 1 (Unlimited) 28 Through Hole EAR99 5V 39.12mm Non-RoHS Compliant Contains Lead, Lead Free Tin No 28 28-DIP Module (0.600, 15.24mm) Parallel Unknown 32.8kHz 9.4mm 18.8mm Through Hole 0°C~70°C CMOS 8473.30.11.80 50mA Clock/Calendar e3 DUAL 5V DS1643 28 2.54mm Timer or RTC 5V Leap Year, NVSRAM Clock 100 ns 8KB 4.5V~5.5V HH:MM:SS (24 hr) SECONDS N NO 1 YY-MM-DD-dd 3mA @ 5V
RX-8025SA:AA0 RX-8025SA:AA0 Epson 3.6029
Add to Cart

Min: 1

Mult: 1

0.00000000 85°C -40°C RoHS Compliant SOIC 5.5V 1.7V 338.011364mg Clock HH:MM:SS
RX-8025SA:AC PURE SN RX-8025SA:AC PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks RX-8025SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
DS17485S-3+ DS17485S-3+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks Surface Mount Tube 2000 yes Active 1 (Unlimited) 24 EAR99 3V 17.9mm ROHS3 Compliant Lead Free No 24 24-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount 0°C~70°C CMOS 2.67mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3V DS17485 24 1.27mm Timer or RTC 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 4KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
MCP79522T-I/MS MCP79522T-I/MS Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 5 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 MCP79522 0.5mm Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 5MHz YY-MM-DD-dd 1μA @ 1.8V~3.6V 1.3V~3.6V
M41T11MH6F M41T11MH6F STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 26 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 3 (168 Hours) 28 EAR99 18.49mm ROHS3 Compliant Lead Free No 28 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets I2C, 2-Wire Serial 2.69mm 8.89mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 225 30 M41T11 28 1.27mm Timer or RTC 2.5/5V Leap Year, NVSRAM Clock 56B 2V~5.5V HH:MM:SS 0.032MHz SECONDS N I2C 56 B YY-MM-DD-dd 70μA @ 2V~5.5V 2.5V~3.5V
DS17285S-3/T&R DS17285S-3/T&R Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 24-SOIC (0.295, 7.50mm Width) Parallel Surface Mount 0°C~70°C Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 24-SOIC 2KB 2.7V~3.7V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
DS14285N+ DS14285N+ Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube yes Obsolete 1 (Unlimited) 24 31.75mm ROHS3 Compliant 24-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C 5.08mm Clock/Calendar e3 MATTE TIN DUAL 260 5V 30 24 NO 2.54mm R-PDIP-T24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 0.5μA @ 4.5V~5.5V 2.5V~3.6V
MAX6910EO30+ MAX6910EO30+ Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube no Obsolete 1 (Unlimited) 20 8.65mm ROHS3 Compliant 20-SSOP (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount BICMOS 1.73mm 1 Clock/Calendar/Supervisor e3 TIN DUAL 260 3V NOT SPECIFIED 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 2.7V 85°C -40°C 1 3.3V YES 31B 2.7V~3.3V HH:MM:SS (12/24 hr) YY-MM-DD-dd
PT7C43190LE PT7C43190LE Pericom 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
PCF85263ATT1/AJ PCF85263ATT1/AJ NXP Semiconductors 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar DUAL NOT SPECIFIED 3.3V NOT SPECIFIED 10 YES 0.5mm S-PDSO-G10 Alarm, Leap Year, Watchdog Timer 0.9V~5.5V HH:MM:SS:hh (12/24 hr) I2C 1 YY-MM-DD-dd 0.885μA @ 3.3V 0.9V~5.5V
DS3231S DS3231S Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube no Obsolete 1 (Unlimited) 16 10.3mm Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.5mm Surface Mount 0°C~70°C CMOS 2.65mm Clock/Calendar e0 TIN LEAD DUAL 240 3.3V 20 16 YES 1.27mm R-PDSO-G16 COMMERCIAL Alarm, Leap Year, Square Wave Output, TCXO/Crystal 2.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 110μA~170μA @ 3.63V~5.5V 2.3V~5.5V
ISL12027IB27Z ISL12027IB27Z Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2018 Obsolete 1 (Unlimited) EAR99 ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar NOT SPECIFIED NOT SPECIFIED ISL12027 8 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
DS1685QN-5 DS1685QN-5 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2005 Obsolete 1 (Unlimited) 28 EAR99 5V 11.505mm Non-RoHS Compliant Contains Lead No 28 28-LCC (J-Lead) Parallel 11.505mm Surface Mount -40°C~85°C CMOS 4.57mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) QUAD 245 5V DS1685 28 1.27mm Timer or RTC 5V Alarm, NVSRAM, Square Wave Output, Y2K Clock 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS YES 1 YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
DS1743WP-120 DS1743WP-120 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2007 no Obsolete 3 (168 Hours) 34 EAR99 Non-RoHS Compliant Contains Lead A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel not_compliant Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL 240 3.3V NOT SPECIFIED DS1743 34 YES R-XDMA-U34 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM, Y2K 8KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V 3V
X1226S8ZT1 X1226S8ZT1 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2004 1 8 EAR99 70°C 0°C 4.9022mm RoHS Compliant Lead Free 8 SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm e3 MATTE TIN DUAL 260 5V 40 8 COMMERCIAL 1.27mm 2.7V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
DS17285S-3 DS17285S-3 Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube no Obsolete 3 (168 Hours) 24 17.9mm Non-RoHS Compliant 24-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount CMOS 2.67mm Clock/Calendar e0 TIN LEAD DUAL 245 3V NOT SPECIFIED 24 COMMERCIAL YES 1.27mm R-PDSO-G24 70°C COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 2.5V~3.7V
DS12885S DS12885S Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube no Obsolete 1 (Unlimited) 24 17.9mm Non-RoHS Compliant DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING 24-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount 0°C~70°C CMOS 2.67mm Clock/Calendar e0 TIN LEAD DUAL 245 5V NOT SPECIFIED 24 YES 1.27mm R-PDSO-G24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
ISL12028IVZ ISL12028IVZ Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) EAR99 ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar NOT SPECIFIED NOT SPECIFIED ISL12028 14 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
ISL12028IB27AZ ISL12028IB27AZ Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount 2005 Active 2 14 EAR99 85°C -40°C 3.3V 8.65mm RoHS Compliant No 14 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
DS1556P-70IND DS1556P-70IND Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2012 Obsolete 3 (168 Hours) 34 EAR99 5V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL 240 5V DS1556 34 Timer or RTC 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 128KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 3V
Settings Need Help?
Top FAQ's

How can I quickly find answers to my questions?

Please visit the Help & Support area of our website to find information regarding ordering, shipping, delivery and more.

What is my Order Status?

Registered users can track orders from their account dropdown, or click here. *Order Status may take 12 hours to update after initial order is placed.

How do I return product?

Users can begin the returns process by starting with our Returns Page.

How do I find price and availability?

Quotes can be created by registered users in myLists.

How do I create a 'HK JDW' Account?

Visit the Registration Page and enter the required information. You will receive an email confirmation when your registration is complete.

United Kingdom/GBP Summary
Fast Shipping Fast Delivery

Orders are typically delivered to United Kingdom within 48 hours depending on location.

Free Shipping Free Shipping

Free delivery to United Kingdom on orders of £33 or more. A delivery charge of £12 will be billed on all orders less than £33.

Incoterms Incoterms

DDP (Duty and customs paid by HK JDW)

Payment Options Payment Types

Credit account for qualified institutions and businesses

Payment in Advance by Wire Transfer

Visa Mastercard American Express PayPal Apple Pay Google Pay

Marketplace Marketplace Product

More Products From Fully Authorized Partners

Average Time to Ship 1-3 Days, extra ship charges may apply. Please see product page, cart, and checkout for actual ship speed.

Incoterms: CPT (Duty, customs, and applicable VAT/Tax due at time of delivery)

For more information visit Help & Support