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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 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 Number of Functions Type JESD-609 Code Terminal Finish Terminal Position 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) 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
DS1371U+C01 DS1371U+C01 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 2 Weeks Surface Mount Tube 2007 Obsolete 1 (Unlimited) ROHS3 Compliant No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Binary Counter DS1371 Alarm, Square Wave Output, Watchdog Timer Counter 1.7V~5.5V Binary 1.3μA @ 1.7V~5.5V
DS1543-70 DS1543-70 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Through Hole Tube 2000 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 28-DIP Module (0.600, 15.24mm) Parallel Through Hole 0°C~70°C Clock/Calendar DS1543 Alarm, Leap Year, NVSRAM, Watchdog Timer 8KB 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 3mA @ 5V
X1227V8 X1227V8 Intersil 0.0000
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Min: 1

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0.00000000
X1228V14 X1228V14 Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 download Surface Mount Bulk 2005 14 EAR99 70°C 0°C 5mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 14 COMMERCIAL 0.65mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
ISL1220IUZ ISL1220IUZ Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download Tube 2004 Obsolete 2 (1 Year) EAR99 ROHS3 Compliant 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed NOT SPECIFIED NOT SPECIFIED ISL1220 10 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
X1228S14-2.7A X1228S14-2.7A Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar 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
PCF2129AT/1,512 PCF2129AT/1,512 NXP Semiconductors 0.0000
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Min: 1

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0.00000000 download Tube 2003 Obsolete 3 (168 Hours) 20 ROHS3 Compliant 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL NOT SPECIFIED NOT SPECIFIED PCF2129 20 YES 1.27mm R-PDSO-G20 Timers or RTCs Not Qualified 2/4V Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer 1.8V~4.2V HH:MM:SS (12/24 hr) SECONDS Y YES SERIAL, 4 WIRE/SPI YY-MM-DD-dd 1.5μA @ 3.3V 1.8V~4.2V
MCP795B22T-I/SL MCP795B22T-I/SL Microchip Technology 0.0000
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Min: 1

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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 MCP795B22 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
ISL12082IB8Z-T ISL12082IB8Z-T Renesas Electronics America 0.0000
RFQ

Min: 1

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0.00000000 download 3 Weeks Tape & Reel (TR) 2008 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) - annealed NOT SPECIFIED NOT SPECIFIED ISL12082 8 Alarm, Leap Year, Watchdog Timer 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
RX8901CE XB B06 RX8901CE XB B06 EPSON 0.0000
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Min: 1

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0.00000000
DS1386-8-120+ DS1386-8-120+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Tube 2007 yes Obsolete 1 (Unlimited) 32 EAR99 43.053mm ROHS3 Compliant Lead Free 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1386 32 NO 2.54mm R-PDIP-P32 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer 8KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 0.032MHz 1/100SECOND Y NO 1 YY-MM-DD-dd 4mA @ 5V
DS1616 DS1616 Rochester Electronics 0.0000
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Min: 1

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0.00000000 download Tube no Obsolete 1 (Unlimited) 24 31.75mm Non-RoHS Compliant INTEGRATED 8-BIT ANALOG-TO-DIGITAL CONVERTER, 2048-BYTE DATALOG MEMORY 24-DIP (0.600, 15.24mm) 3-Wire Serial 15.24mm Through Hole 5.08mm 1 with Temp. Recorder e0 TIN LEAD DUAL 240 5V 20 24 INDUSTRIAL NO 2.54mm R-PDIP-T24 4V 85°C -40°C 5.5V 32B 5V HH:MM:SS YYYY-MM-DD
DS1670S DS1670S Rochester Electronics 0.0000
RFQ

Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 20-SOIC (0.295, 7.50mm Width) 3-Wire Serial Surface Mount 0°C~70°C Portable System Controller Alarm, Leap Year, Watchdog Timer 20-SOIC 2.97V~3.63V HH:MM:SS (12/24 hr) YY-MM-DD-dd 100μA @ 3.3V 2.5V~3.7V
DS17285E-5 DS17285E-5 Rochester Electronics 0.0000
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Min: 1

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0.00000000 download Tray no Obsolete 3 (168 Hours) 28 11.8mm Non-RoHS Compliant 28-TSSOP (0.465, 11.80mm Width) Parallel 8mm Surface Mount 0°C~70°C CMOS 1.2mm Clock/Calendar e0 TIN LEAD DUAL 240 5V 20 28 YES 0.55mm R-PDSO-G28 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
DS17885E-3 DS17885E-3 Rochester Electronics 0.0000
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Min: 1

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0.00000000 download Tray no Obsolete 3 (168 Hours) 28 11.8mm Non-RoHS Compliant 28-TSSOP (0.465, 11.80mm Width) Multiplexed 8mm Surface Mount 0°C~70°C CMOS 1.2mm Real Time Clock (RTC) e0 TIN LEAD DUAL 240 3V 20 28 YES 0.55mm R-PDSO-G28 COMMERCIAL 8K 3V HH:MM:SS 8 0.032MHz PARALLEL, MUXED BUS 1 YYYY-MM-DD
ISL1220IUZ ISL1220IUZ Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1337S DS1337S Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output 8-SOIC 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
M41T00M6E M41T00M6E STMicroelectronics 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 85°C -40°C 5mm Non-RoHS Compliant Lead Free 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 5.5V No SVHC 2V 1.25mm 4mm Surface Mount -40°C~85°C Clock/Calendar M41T00 Leap Year 8-SO Clock 1B 8B 2V~5.5V HH:MM:SS 8 B YY-MM-DD-dd 70μA @ 2V~5.5V 2.5V~3.5V
DS1553-100+ DS1553-100+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Tube 2010 yes Obsolete 1 (Unlimited) 28 EAR99 38.862mm ROHS3 Compliant Lead Free 28 28-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 9.398mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1553 28 NO 2.54mm Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 3mA @ 5V
RTC-4543SA:A0 RTC-4543SA:A0 EPSON 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 85°C -40°C Non-RoHS Compliant 14 14-SOIC (0.209, 5.30mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Leap Year 14-SOP 2.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1μA~3μA @ 2V~5V
RX-4045NB:AA3 RX-4045NB:AA3 EPSON 0.0000
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Min: 1

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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) RX-4045NB Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant 22 22-LFDFN SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 22-SON (5x6) 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
PCF8583TD-T PCF8583TD-T NXP Semiconductors 0.0000
RFQ

Min: 1

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0.00000000
X1227V8Z-4.5A X1227V8Z-4.5A Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1227 Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
DS1315S-33 DS1315S-33 Rochester Electronics 0.0000
RFQ

Min: 1

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0.00000000 download Tube Obsolete 3 (168 Hours) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) Parallel Surface Mount 0°C~70°C Phantom Time Chip Leap Year 16-SOIC 3V~3.6V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1.1mA @ 3.3V 2.5V~3.7V
DS1343E-18+ DS1343E-18+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 20 EAR99 1.8V 6.5mm ROHS3 Compliant No 20 20-TSSOP (0.173, 4.40mm Width) SPI 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8473.30.11.80 Clock/Calendar DUAL 1.8V DS1343 20 0.65mm Timers or RTCs Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger Clock 96B 1.71V~5.5V HH:MM:SS (12/24 hr) 4MHz SECONDS Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 1.3V~5.5V
DS1553P-100 DS1553P-100 Rochester Electronics 0.0000
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Min: 1

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0.00000000 download Tube no Obsolete 3 (168 Hours) 34 Non-RoHS Compliant A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V 3V
1338-18DCGI8 1338-18DCGI8 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1338 Leap Year, NVSRAM, Square Wave Output 56B 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2μA @ 3.3V 1.3V~3.7V
1338AC-31SRGI 1338AC-31SRGI Renesas Electronics America 0.0000
RFQ

Min: 1

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0.00000000 download Tube Last Time Buy 3 (168 Hours) ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Leap Year, NVSRAM, Square Wave Output 16-SOIC 56B 3.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA @ 3.63V~5.5V 1.3V~3.7V
DS1643P-70 DS1643P-70 Rochester Electronics 0.0000
RFQ

Min: 1

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0.00000000 download Tube no Obsolete 1 (Unlimited) 34 25.019mm Non-RoHS Compliant 34-PowerCap™ Module Parallel unknown 23.495mm Surface Mount 0°C~70°C 2.3368mm Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 34 YES 1.27mm R-XDMA-U34 COMMERCIAL Leap Year, NVSRAM 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V 3V
DS1556W-120+ DS1556W-120+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 10 Weeks Through Hole Tube 2003 yes Active 1 (Unlimited) 32 EAR99 3.3V 43.053mm ROHS3 Compliant Lead Free No 32 32-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 3.3V DS1556 32 2.54mm Timer or RTC Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V
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