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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 Height Width Mounting Type Operating Temperature Technology Height Seated (Max) HTS Code 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) Number of Outputs Feature Supplier Device Package Logic Function 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
M41ST85WMH6E M41ST85WMH6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 3 (168 Hours) 28 EAR99 3.3V 18.49mm Non-RoHS 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 DUAL 260 3V 40 M41ST 28 1.27mm Timer or RTC Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer Clock 44B 2.7V~3.6V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y I2C 64 B 1 YY-MM-DD-dd 0.5mA @ 2.7V~3.6V 2.5V~3.5V
PCA1675U/10/F2,005 PCA1675U/10/F2,005 NXP Semiconductors 0.0000
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0.00000000
DS1685E-3+T&R DS1685E-3+T&R Maxim Integrated 0.0000
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0.00000000 download 8 Weeks Surface Mount Tape & Reel (TR) 2000 Active 1 (Unlimited) 70°C 0°C 3V ROHS3 Compliant Lead Free No 24 24-TSSOP (0.173, 4.40mm Width) Parallel 3.7V 2.7V Surface Mount 0°C~70°C Clock/Calendar DS1685 Alarm, NVSRAM, Square Wave Output, Y2K 24-TSSOP Clock 242B 2.7V~3.7V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
RTC-72423B:3:ROHS RTC-72423B:3:ROHS EPSON 0.0000
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0.00000000 Tape & Reel (TR)
IDT1338-31DVGI IDT1338-31DVGI Integrated Device Technology 0.0000
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0.00000000
X1228V14Z-2.7A X1228V14Z-2.7A Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar e3 MATTE TIN NOT SPECIFIED NOT SPECIFIED X1228 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1226S8IZ X1226S8IZ Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED X1226 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
DS1374C-3#T&R DS1374C-3#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 3V ROHS3 Compliant 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 3.3V 2.7V Surface Mount -40°C~85°C Binary Counter DS1374 Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer 16-SOIC Clock, Counter 2.7V~3.3V Binary Binary 125μA @ 2.7V~3.3V 1.3V~3.7V
MCP795B20T-I/SL MCP795B20T-I/SL Microchip Technology 0.0000
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0.00000000 download Tape & Reel (TR) 2011 Obsolete 1 (Unlimited) 14 EAR99 8.65mm ROHS3 Compliant ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-SOIC (0.154, 3.90mm Width) SPI 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN (SN) DUAL 5V MCP795B20 14 YES 1.27mm R-PDSO-G14 Timer or RTC Not Qualified 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer 64B 8 1.8V~5.5V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~5.5V
CDP68HC68T1M2 CDP68HC68T1M2 Intersil 0.0000
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0.00000000
MCP7940N-I/MS MCP7940N-I/MS Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tube 2011 Automotive, AEC-Q100 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 950μm 3mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940N 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
DS1682S/T&R DS1682S/T&R Maxim Integrated 0.0000
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0.00000000 Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Elapsed Time Counter DS1682 Alarm, EEPROM 8-SOIC 10B 2.5V~5.5V Binary Binary 4μA~15μA @ 3V~5.5V
M41T94MQ6E M41T94MQ6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 16 EAR99 10mm ROHS3 Compliant Lead Free No 16 16-SOIC (0.154, 3.90mm Width) SPI No SVHC 1.6mm 4mm Surface Mount -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 3V 30 M41T94 16 1.27mm Timer or RTC 3 Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer Clock 44B 2.7V~5.5V HH:MM:SS:hh (24 hr) 1/100SECOND Y 44 B 1 YY-MM-DD-dd 1.4mA @ 2.7V~5.5V 2.5V~3.5V
DS1685E-3+ DS1685E-3+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2000 yes Active 1 (Unlimited) 24 EAR99 3V 7.9mm ROHS3 Compliant Lead Free No 24 24-TSSOP (0.173, 4.40mm Width) Parallel Unknown 950μm 4.5mm Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3V DS1685 24 0.65mm Timer or RTC 3V Alarm, NVSRAM, Square Wave Output, Y2K Clock 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
1337DVGI 1337DVGI Renesas Electronics America 0.0000
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0.00000000 download Tube Active 3 (168 Hours) ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1337 Alarm, Leap Year, Square Wave Output 8-TSSOP 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
DS1337C#T&R DS1337C#T&R Maxim Integrated 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2009 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant Tin No 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 5.5V 1.8V Surface Mount -40°C~85°C Clock/Calendar DS1337 Alarm, Leap Year, Square Wave Output 16-SOIC Clock 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
DS1286 DS1286 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2009 no Obsolete 1 (Unlimited) 28 EAR99 5V 39.12mm Non-RoHS Compliant Contains Lead No 28 ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P 28-DIP Module (0.61, 15.49mm), 23 Leads Parallel Unknown 9.4mm 18.29mm Through Hole 0°C~70°C CMOS 8542.32.00.41 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 5V DS1286 28 2.54mm Timer or RTC 5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 50B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND Y NO 1 YY-MM-DD-dd 7mA @ 5V 2.4V~3.5V
RV-2123-C2-32.768KHZ-10PPM-TA-QC RV-2123-C2-32.768KHZ-10PPM-TA-QC 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-TCDFN Exposed Pad SPI, 4-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, Leap Year 1.1V~5.5V HH:MM:SS YY-MM-DD-dd 0.18μA @ 3V
1339AC-31SRGI8 1339AC-31SRGI8 Renesas Electronics America 0.0000
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0.00000000 download 12 Weeks Tape & Reel (TR) Active 3 (168 Hours) ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger 16-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.63V~5.5V 1.3V~3.7V
S-35399A02-HRT1 S-35399A02-HRT1 ABLIC U.S.A. Inc. 0.0000
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0.00000000 Tape & Reel (TR) yes Not For New Designs 1 (Unlimited) 12 EAR99 1.97mm RoHS Compliant 12-UFBGA, WLBGA I2C, 2-Wire Serial 1.84mm Surface Mount -40°C~85°C CMOS 0.6mm 8542.39.00.01 Clock/Calendar BOTTOM 260 3V 10 12 YES 0.5mm R-PBGA-B12 Not Qualified Alarm, Leap Year 1.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SERIAL, 2-WIRE/I2C YY-MM-DD-dd 14μA~30μA @ 3V~5V
DS1286+ DS1286+ Maxim Integrated 0.0000
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0.00000000 download Tube 2009 yes Obsolete 1 (Unlimited) 28 EAR99 38.865mm ROHS3 Compliant Lead Free ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P 28-DIP Module (0.61, 15.49mm), 23 Leads Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.28mm 8542.32.00.41 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1286 28 NO 2.54mm R-XDMA-P28 Timer or RTC Not Qualified 5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer 50B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 0.032MHz 1/100SECOND Y NO 1 YY-MM-DD-dd 7mA @ 5V 2.4V~3.5V
RTC-72423A3:PURE SN RTC-72423A3:PURE SN EPSON 0.0000
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0.00000000 download 16 Weeks Tape & Reel (TR) RTC-72423 Active 1 (Unlimited) ROHS3 Compliant 24-SOIC (0.311, 7.90mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Leap Year 24-SOP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
PT7C4563ZEE PT7C4563ZEE Diodes Incorporated 0.0000
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0.00000000 download Obsolete 1 (Unlimited) 8 EAR99 2.995mm 8-WFDFN Exposed Pad I2C, 2-Wire Serial 2mm Surface Mount -40°C~85°C TA CMOS 0.8mm 8542.39.00.01 Clock/Calendar DUAL 3V YES 0.5mm R-PDSO-N8 Alarm, Leap Year, Square Wave Output 1.3V~5.5V HH:MM:SS (24 hr) I2C 1 YY-MM-DD-dd 0.65μA~0.85μA @ 3V~5V
DS1557WP-120 DS1557WP-120 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube 2005 yes Obsolete 3 (168 Hours) 34 EAR99 3.3V 25.27mm Non-RoHS Compliant Contains Lead Tin No 34 34-PowerCap™ Module Parallel Unknown 810μm 23.62mm Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 DUAL 3.3V DS1557 34 Timer or RTC Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 512KB 2.97V~3.63V HH:MM:SS (24 hr) 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
DS3231S/T&R DS3231S/T&R Rochester Electronics 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal 16-SOIC 2.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 110μA~170μA @ 3.63V~5.5V 2.3V~5.5V
PT7C4372ALEX PT7C4372ALEX Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
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0.00000000 Tape & Reel (TR) 8 EAR99 4.4mm RoHS Compliant compliant 3mm CMOS 1.2mm 8542.39.00.01 DUAL GULL WING 3V INDUSTRIAL YES 0.65mm R-PDSO-G8 1.8V 85°C -40°C Timer or RTC Not Qualified 2/5V 6V TIMER, REAL TIME CLOCK SECONDS Y YES I2C 1
RX-8803SA:UB0 PURE SN RX-8803SA:UB0 PURE SN EPSON 0.0000
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0.00000000
X1288V14Z-2.7A X1288V14Z-2.7A Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 Surface Mount 14 EAR99 85°C -40°C 5mm RoHS Compliant TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 DUAL NOT SPECIFIED 5V NOT SPECIFIED 14 COMMERCIAL 0.65mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd
X1228S14-2.7 X1228S14-2.7 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount 1 14 EAR99 70°C 0°C 8.6614mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial not_compliant 3.9116mm CMOS 1.7272mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 14 COMMERCIAL 1.27mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V 3.9kB HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
MAX6917EO30+ MAX6917EO30+ Maxim Integrated 0.0000
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0.00000000 download Tube 2013 yes Obsolete 1 (Unlimited) 20 EAR99 8.65mm ROHS3 Compliant Lead Free 20-SSOP (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.73mm 8473.30.11.80 Clock/Calendar/Supervisor e3 Matte Tin (Sn) DUAL 260 3V NOT SPECIFIED MAX6917 20 YES 0.635mm R-PDSO-G20 Timer or RTC Not Qualified 3V Clock 96B 2.7V~3.3V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
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