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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 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 Compliance Code Min Supply Voltage Frequency 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) Feature Supplier Device Package Number of Terminals Logic Function Access Time Memory Size Function 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
PCF2123TS PCF2123TS NXP Semiconductors 0.0000
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Min: 1

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0.00000000 download Active RoHS Compliant 14 Clock/Calendar/Alarm/Timer/Interrupt HH:MM:SS DW:DM:M:Y
DS1501WZ+T&R DS1501WZ+T&R Maxim Integrated 0.0000
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Min: 1

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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
M41ST87WMX6TR M41ST87WMX6TR STMicroelectronics 0.0000
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Min: 1

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0.00000000 download 25 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 3 (168 Hours) 28 EAR99 17.96mm ROHS3 Compliant Lead Free No 28 28-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.62mm Surface Mount -40°C~85°C CMOS 2.69mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V M41ST 28 1.27mm Timers or RTCs 3/3.3V Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer Clock 128B 2.7V~3.6V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y I2C 160 B 1 YY-MM-DD-dd 0.5mA @ 2.7V~3.6V 2.5V~3.6V
ISL12027AIB27Z-T ISL12027AIB27Z-T Intersil 0.0000
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Min: 1

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0.00000000
ISL12026AIVZ-T ISL12026AIVZ-T Renesas Electronics America Inc. 4.1823
Add to Cart

Min: 1

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0.00000000 download 7 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3.3V NOT SPECIFIED ISL12026A 8 YES 0.65mm R-PDSO-G8 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
DS1251W-120 DS1251W-120 Maxim Integrated 0.0000
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Min: 1

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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 0°C~70°C CMOS 10.922mm 8542.39.00.01 Phantom Time Chip e0 Tin/Lead (Sn/Pb) 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
RX-8025NB:AA3PURESN RX-8025NB:AA3PURESN EPSON 0.0000
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Min: 1

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0.00000000
M48T59Y-70MH6E M48T59Y-70MH6E STMicroelectronics 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 1 (Unlimited) 28 EAR99 18.1mm ROHS3 Compliant Lead Free 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets Parallel 70GHz 8.56mm Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M48T59 28 1.27mm R-PDSO-G28 Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer Clock 70 ns 62.5kB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
ISL12028IB30AZ-T ISL12028IB30AZ-T Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount 2005 Active 2 14 EAR99 85°C -40°C 3.3V 8.65mm RoHS Compliant No 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 14, 14 INDUSTRIAL 1.27mm R-PDSO-G14 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
X1288V14-2.7T1 X1288V14-2.7T1 Intersil Corporation 0.0000
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Min: 1

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0.00000000 1 EAR99 5mm Non-RoHS Compliant not_compliant 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 5V 30 14 COMMERCIAL YES 0.65mm R-PDSO-G14 2.7V 70°C Timer or RTC Not Qualified 3/5V 5.5V 14 TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1
DS1338C-3# DS1338C-3# Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 9 Weeks Surface Mount Tube 2012 yes Active 1 (Unlimited) 16 EAR99 3V 10.3mm ROHS3 Compliant No 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL 260 3V 40 DS1338 16 1.27mm Leap Year, NVSRAM, Square Wave Output Clock 56B 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 200μA @ 3.3V 1.3V~3.7V
RX-8581SA:B3:PURE SN RX-8581SA:B3:PURE SN EPSON 0.0000
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Min: 1

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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8581SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 14-SOP 1.8V~5.5V 800nA~1.2μA @ 3V~5V
DS1743-70+ DS1743-70+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tube 2012 yes Obsolete 1 (Unlimited) 28 EAR99 38.225mm ROHS3 Compliant Lead Free 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 10.67mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1743 28 NO 2.54mm R-XDMA-P28 Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V
DS1302Z+T&R DS1302Z+T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Tape & Reel (TR) 2002 Active 1 (Unlimited) ROHS3 Compliant Lead Free 8 8-SOIC (0.154, 3.90mm Width) 3-Wire Serial Surface Mount 0°C~70°C Clock/Calendar DS1302 Leap Year, NVSRAM, Trickle-Charger 8-SOIC 31B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
DS1391U-18+ DS1391U-18+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 10 EAR99 1.8V 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) DUAL 260 1.8V 30 DS1391 10 0.5mm Timers or RTCs Alarm, Leap Year, Square Wave Output, Trickle-Charger Clock 1.71V~1.89V HH:MM:SS:hh (12/24 hr) 0.032MHz Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 100μA @ 1.71V~1.89V 1.3V~3.7V
RTC-62423A:3 RTC-62423A:3 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 24 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 1.8μA~3μA @ 2V~5V
X1286V14T1 X1286V14T1 Renesas Electronics America 0.0000
RFQ

Min: 1

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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1286 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
DS1390U-33+T DS1390U-33+T Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download yes 1 10 EAR99 3mm Non-RoHS Compliant Lead Free 3mm CMOS 1.1mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 10 INDUSTRIAL YES 0.5mm S-PDSO-G10 2.97V 85°C -40°C Timers or RTCs Not Qualified 3.3V 5.5V TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y NO SERIAL, 3-WIRE 1
ISL12026AIVZ-T ISL12026AIVZ-T Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

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0.00000000 download 19 Weeks Surface Mount Tape & Reel 2010 Active 1 8 EAR99 85°C -40°C 3.3V 4.4mm RoHS Compliant No TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 8, 8 INDUSTRIAL 0.65mm R-PDSO-G8 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
DS1553P-70 DS1553P-70 Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Tube 2005 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 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED DS1553 34 YES R-XDMA-U34 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 3V
DS1554-70 DS1554-70 Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Tube 2005 Obsolete 1 (Unlimited) 32 EAR99 38.675mm Non-RoHS Compliant Contains Lead IT CAN ALSO OPERATE WITH 5V 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 9.27mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED DS1554 32 NO 2.54mm R-PDIP-P32 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V
X1228S14-4.5A X1228S14-4.5A Renesas Electronics America 0.0000
RFQ

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
PT7C4337LE PT7C4337LE Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
RFQ

Min: 1

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0.00000000 RoHS Compliant
DS1374C-33#T&R DS1374C-33#T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant No 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 5.5V 2.97V Surface Mount -40°C~85°C Binary Counter DS1374 Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer 16-SOIC Clock, Counter 2.97V~5.5V Binary Binary 175μA @ 2.97V~5.5V 1.3V~5.5V
DS1339U-33+T DS1339U-33+T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2006 yes 1 8 EAR99 3mm RoHS Compliant Lead Free compliant 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 2.97V 85°C -40°C Timer or RTC Not Qualified 3.3V 3.63V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1
ISL12028IV27Z ISL12028IV27Z Intersil 0.0000
RFQ

Min: 1

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0.00000000
DS17485E-5+ DS17485E-5+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tray 2000 yes Obsolete 3 (168 Hours) 28 EAR99 70°C 0°C 5V 11.8mm ROHS3 Compliant Lead Free No 28 TSOP Parallel 5.5V 4.5V 8mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL 260 5V 30 28 COMMERCIAL 0.55mm Timer or RTC 5V Clock 4kB HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd
M41ST85YMH6E M41ST85YMH6E STMicroelectronics 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tube Obsolete 3 (168 Hours) 28 EAR99 18.1mm Non-RoHS Compliant Contains Lead 28 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets I2C, 2-Wire Serial 8.56mm Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M41ST 28 1.27mm Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 44B 4.5V~5.5V HH:MM:SS:hh (24 hr) 1/100SECOND Y NO I2C 1 YY-MM-DD-dd 1mA @ 4.5V~5.5V 2.5V~3.5V
X1226V8I X1226V8I Renesas Electronics America Inc. 0.0000
RFQ

Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar 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
MCP795W22T-I/SL MCP795W22T-I/SL Microchip Technology 0.0000
RFQ

Min: 1

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0.00000000 download 5 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 14 EAR99 8.65mm ROHS3 Compliant No 14 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) - annealed DUAL 260 5V 40 MCP795W22 14 1.27mm Timer or RTC 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer Clock 64B 8 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~3.6V
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