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RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations 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 Thickness Mounting Type Weight Operating Temperature Technology 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) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Voltage Number of Elements Number of Outputs Feature Analog IC - Other Type Adjustable Threshold Supplier Device Package Number of Terminals Source Url Status Check Date Logic Function Accuracy Memory Size RAM Size Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1556W-120IND DS1556W-120IND Maxim Integrated 0.0000
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0.00000000 download Tube 2005 Obsolete 1 (Unlimited) 32 EAR99 43.053mm Non-RoHS Compliant Contains Lead 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V NOT SPECIFIED DS1556 32 NO 2.54mm R-PDMA-P32 Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V
DS1251W-120IND+ DS1251W-120IND+ Maxim Integrated 0.0000
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0.00000000 download 11 Weeks Tube 2011 yes Active 1 (Unlimited) 32 3A991.B.2.A 43.053mm ROHS3 Compliant Lead Free 32-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1251 32 NO 2.54mm R-PDIP-P32 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM 512KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V
ISL12022MIBZR5421 ISL12022MIBZR5421 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 7 Weeks Surface Mount 2007 Active 1 20 EAR99 85°C -40°C 12.8mm RoHS Compliant No SOIC 2-Wire, I2C, Serial 5.5V 2.7V 7.5mm CMOS 2.65mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3V 20 INDUSTRIAL 1.27mm R-PDSO-G20 Timer or RTC 3/5V Clock 0.0005 % 128B HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
RX-8571NB:B3 PURE SN RX-8571NB:B3 PURE SN Seiko Epson Corporation 0.0000
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0.00000000 6.3mm RoHS Compliant LG-MAX compliant 4.8mm CMOS 1.4mm e3 Tin (Sn) DUAL NO LEAD NOT SPECIFIED 3V NOT SPECIFIED INDUSTRIAL YES 0.5mm R-PDSO-N22 1.6V 85°C -40°C Timer or RTC Not Qualified 1.8/5V 5.5V 22 TIMER, REAL TIME CLOCK SECONDS Y YES I2C
RTC-7301SF:B3ROHS RTC-7301SF:B3ROHS EPSON 0.0000
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1337AGCSRGI 1337AGCSRGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download 7 Weeks Surface Mount 2006 yes Active 3 16 EAR99 85°C -40°C 10.4mm RoHS Compliant Lead Free 16 SOIC 2-Wire, I2C, Serial 7.6mm 2.34mm CMOS 2.65mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL 260 3.3V 30 16 INDUSTRIAL 1.27mm 1.8V Timer or RTC Not Qualified 2/5V 5.5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
DS1318E+ DS1318E+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2011 yes Active 1 (Unlimited) 24 EAR99 7.9mm ROHS3 Compliant Lead Free No 24 24-TSSOP (0.173, 4.40mm Width) Parallel Unknown 950μm 4.5mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Elapsed Time Counter e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1318 24 0.65mm Alarm, Square Wave Output 3V~3.6V Binary 0.032MHz 1 150μA @ 3V~3.6V 1.6V~3.7V
RX-8803LC:UC3 PURE SN RX-8803LC:UC3 PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RX-8803LC Active 1 (Unlimited) 12 3.6mm ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) I2C 2.4mm Surface Mount -40°C~85°C CMOS 1.2mm Clock/Calendar e3 Tin (Sn) DUAL NOT SPECIFIED 3V NOT SPECIFIED YES 0.5mm R-PDSO-J12 Alarm 1.6V~5.5V HH:MM:SS I2C YY-MM-DD 2.1μA~3.4μA @ 3V~5V
DS1302ST DS1302ST Maxim Integrated 0.0000
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0.00000000 download yes 1 8 EAR99 5.31mm Non-RoHS Compliant Contains Lead BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA 5.285mm CMOS 2.13mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 8 COMMERCIAL YES 1.27mm R-PDSO-G8 2V 70°C Timer or RTC Not Qualified 3/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS N YES SERIAL, 3-WIRE
ISL12024IRTCZ ISL12024IRTCZ Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tube 1999 Active 1 (Unlimited) EAR99 ROHS3 Compliant 8-WDFN Exposed Pad I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED ISL12024 8 Alarm, Leap Year, Unique ID 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
ISL1218IBZ ISL1218IBZ Renesas Electronics America 0.0000
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0.00000000 download 7 Weeks Tube 2004 Active 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 e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED ISL1218 8 Alarm, Leap Year, SRAM 8B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
DS1305EN+T&R DS1305EN+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C 6.6mm ROHS3 Compliant Lead Free No 20 20-TSSOP (0.173, 4.40mm Width) SPI 5.5V Unknown 2V 950μm 4.5mm Surface Mount -40°C~85°C Clock/Calendar DS1305 5V Alarm, Leap Year, NVSRAM, Trickle-Charger 20-TSSOP Clock 96B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
DS1501WZ+T&R DS1501WZ+T&R Maxim Integrated 0.0000
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0.00000000 download 8 Weeks Surface Mount Tape & Reel (TR) 2002 Active 2 (1 Year) 70°C 0°C 3.3V ROHS3 Compliant No 28 28-SOIC (0.295, 7.50mm Width) Parallel 3.6V 3V Surface Mount 0°C~70°C Clock/Calendar DS1501 Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 28-SOIC Clock 256B 3V~3.6V HH:MM:SS (24 hr) YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
S-35192A-I8T1U S-35192A-I8T1U SII Semiconductor 0.0000
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0.00000000
DS1685SN-3+ DS1685SN-3+ Maxim Integrated 8.3013
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0.00000000 download 10 Weeks Surface Mount Tube 2000 yes Active 1 (Unlimited) 24 EAR99 3V 15.6mm ROHS3 Compliant Lead Free 24 24-SOIC (0.295, 7.50mm Width) Parallel 2.35mm 7.6mm Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3V NOT SPECIFIED DS1685 24 1.27mm Timer or RTC Not Qualified 3V Alarm, NVSRAM, Square Wave Output, Y2K Clock 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 0.032MHz SECONDS YES 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
RX-8581SA:B3 RX-8581SA:B3 EPSON 0.0000
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0.00000000 Tape and Reel
DS1743P-70 DS1743P-70 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2007 Obsolete 3 (168 Hours) 34 EAR99 5V Non-RoHS Compliant Contains Lead No 34 A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL 240 5V DS1743 34 Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V 3V
IDT1338-18DCGI8 IDT1338-18DCGI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2010 85°C -40°C RoHS Compliant SOIC 2-Wire, I2C, Serial 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd
RV-3029-C3-32.768KHZ-OPTION-B-TB-QA RV-3029-C3-32.768KHZ-OPTION-B-TB-QA Micro Crystal 0.0000
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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN I2C, 2-Wire Serial Surface Mount -40°C~125°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, NVRAM, RAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
X1227V8I-4.5A X1227V8I-4.5A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 8 EAR99 85°C -40°C 4.4mm Non-RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial not_compliant 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 8 INDUSTRIAL 0.65mm R-PDSO-G8 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 YES I2C YY-MM-DD-dd
1339A-31DVGI 1339A-31DVGI Renesas Electronics America 0.0000
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0.00000000 Last Time Buy 1 (Unlimited) 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.63V~5.5V 1.3V~3.7V
ISL12024IBZ-T ISL12024IBZ-T Renesas Electronics America 0.0000
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0.00000000 download 7 Weeks Cut Tape (CT) 1999 Active 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 e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED ISL12024 8 Alarm, Leap Year, Unique ID 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
PCF8593T,118 PCF8593T,118 NXP Semiconductors / Freescale 0.0000
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0.00000000 download Surface Mount Tape and Reel 85°C -40°C RoHS Compliant 8 SO 6V 1V 8 2013-06-14 00:00:00 HH:MM:SS:hh
ISL12022MAIBZ-T ISL12022MAIBZ-T Renesas Electronics America 0.0000
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0.00000000 download 3 Weeks Tape & Reel (TR) 2008 Active 1 (Unlimited) 20 EAR99 12.8mm ROHS3 Compliant CASE NO : 64026634 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial not_compliant 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 30 ISL12022 20 YES 1.27mm R-PDSO-G20 Alarm, Daylight Savings, Leap Year, SRAM 128B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C; SERIAL YY-MM-DD-dd 14μA~15μA @ 3V~5V 1.8V~5.5V
IDT1339C-2SOGI IDT1339C-2SOGI Integrated Device Technology (IDT) 0.0000
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0.00000000 RoHS Compliant 16 SOIC
M41T81SM6E M41T81SM6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 8 EAR99 5mm ROHS3 Compliant Lead Free No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 32kHz 1.25mm 4mm Surface Mount -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 30 M41T81 8 Timer or RTC 3/5V 1 Alarm, Leap Year, Square Wave Output, Watchdog Timer Clock 20B 2.7V~5.5V HH:MM:SS:hh (24 hr) Y YES I2C 1 YY-MM-DD-dd 100μA @ 2.7V~5.5V 2V~3.5V
DS1678S/T&R DS1678S/T&R Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2009 Obsolete 1 (Unlimited) 85°C -40°C 5V Non-RoHS Compliant Contains Lead No 8 8-SOIC (0.209, 5.30mm Width) I2C, 2-Wire Serial 5.5V 4.5V Surface Mount -40°C~85°C Time Event Recorder DS1678 6V Alarm, Leap Year, NVSRAM, Y2K 8-SO Clock 32B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.6V~3.5V
X1226V8IZ X1226V8IZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 1 8 EAR99 85°C -40°C 4.4mm RoHS Compliant Lead Free 8 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.2mm e3 MATTE TIN DUAL 260 5V 40 8 INDUSTRIAL 0.65mm Timer or RTC Not Qualified 3/5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
DS1374C-33 DS1374C-33 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Bulk 2010 no 1 16 EAR99 85°C -40°C 3.3V 10.5mm RoHS Compliant No 16 SOIC 2-Wire, I2C, Serial 5.5V 2.97V 2.35mm 7.6mm 665.986997mg CMOS 1 e0 TIN LEAD DUAL GULL WING 240 3.3V 20 16 INDUSTRIAL 1 5V 1 POWER SUPPLY MANAGEMENT CIRCUIT NO Clock, Counter Binary
BQ4822YMA-70 BQ4822YMA-70 Texas Instruments 0.0000
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0.00000000 download Through Hole Tray no Obsolete 1 (Unlimited) 28 EAR99 5V 37.72mm ROHS3 Compliant Contains Lead Tin No 28 28-DIP Module (0.61, 15.49mm) Parallel 9.4mm 18.42mm Through Hole 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar DUAL 5V BQ4822 28 2.54mm Timer or RTC 5V Alarm, Leap Year, Supervisor, Watchdog Timer Clock 7.8kB 4.5V~5.5V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y NO YY-MM-DD-dd 6mA @ 2.2 V~5.8 V
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