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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 Density Frequency Height Width Mounting Type Weight Operating Temperature Technology Height Seated (Max) HTS Code Nominal Supply Current Max Frequency 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 Logic Function Access Time Screening Level 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 Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
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
PCF2123BS/1,118 PCF2123BS/1,118 NXP Semiconductors 0.0000
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0.00000000
PT7C4563UEX PT7C4563UEX Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
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0.00000000 Tape & Reel (TR) 8 EAR99 3mm RoHS Compliant compliant 3mm CMOS 1.1mm 8542.39.00.01 DUAL GULL WING 3V INDUSTRIAL YES 0.65mm S-PDSO-G8 1.3V 85°C -40°C Timer or RTC Not Qualified 1.5/5V 5.5V TIMER, REAL TIME CLOCK SECONDS Y YES I2C 1
DS1742-100+ DS1742-100+ Maxim Integrated 0.0000
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0.00000000 download Tube 2012 yes Obsolete 1 (Unlimited) 24 EAR99 37.595mm ROHS3 Compliant Lead Free 24 24-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole 0°C~70°C CMOS 8.51mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1742 24 NO 2.54mm Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 2KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V
PT7C4311WEX PT7C4311WEX Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
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0.00000000 Tape & Reel (TR) 8 EAR99 4.9mm RoHS Compliant compliant 3.9mm CMOS 1.75mm 8542.39.00.01 DUAL GULL WING 2V 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 1.5V 85°C -40°C Timer or RTC Not Qualified 1.8/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS N NO I2C 1
ISL12026AIVZ-T ISL12026AIVZ-T Intersil 0.0000
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0.00000000
BQ3285LDSSTRG4 BQ3285LDSSTRG4 Texas Instruments 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 2 (1 Year) 24 EAR99 3V 8.65mm ROHS3 Compliant Lead Free Gold No 24 24-SSOP (0.154, 3.90mm Width) Parallel 3.9mm Surface Mount 129.500622mg 0°C~70°C CMOS 1.73mm 8542.39.00.01 Clock/Calendar e4 DUAL 260 3V BQ3285 24 0.635mm Timer or RTC 3V Alarm, Daylight Savings, NVSRAM Clock 242B 2.7V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 100μA @ 3V 2.4V~4V
MCP79402-I/SN MCP79402-I/SN Microchip Technology 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2011 Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 1.5mm 3.9mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP79402 8 1.27mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock TS 16949 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 1.2μA Typ @ 3.3V 1.3V~5.5V
S-35190A-J8T1G S-35190A-J8T1G Seiko 0.0000
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Min: 1

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0.00000000
MCP7940N-I/SN MCP7940N-I/SN Microchip Technology 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 1998 Automotive, AEC-Q100 Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant Lead Free Tin No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 1.5mm 3.9mm Surface Mount -40°C~85°C CMOS 400kHz Clock/Calendar e3 DUAL 260 2.5V 40 MCP7940N 8 1.27mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 64B 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y YES I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
X1288V14I-4.5AT1 X1288V14I-4.5AT1 Renesas Electronics America 0.0000
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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 -40°C~85°C Clock/Calendar X1288 Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
DS1343E-3+ DS1343E-3+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 20 EAR99 3V 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 8542.39.00.01 Clock/Calendar DUAL 3V DS1343 20 0.65mm Timers or RTCs 3V Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger Clock 96B 2.7V~5.5V HH:MM:SS (12/24 hr) 4MHz SECONDS Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 1.3V~5.5V
MAX6916EO33+T MAX6916EO33+T Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tape & Reel (TR) 2013 yes Obsolete 1 (Unlimited) 20 EAR99 85°C -40°C 8.65mm ROHS3 Compliant Lead Free 20-SSOP (0.154, 3.90mm Width) SPI, 3-Wire Serial 3.9mm Surface Mount CMOS 1.73mm 8473.30.11.80 Clock/Calendar/Supervisor e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED MAX6916 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 Timer or RTC Not Qualified 3.3V Clock 96B 8 3V~3.6V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
X1227V8-4.5A X1227V8-4.5A Renesas Electronics America 0.0000
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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 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
X1227S8I-2.7T1 X1227S8I-2.7T1 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 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 X1227 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
MCP7940MT-I/ST MCP7940MT-I/ST Microchip Technology 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2011 Active 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant Lead Free No 8 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940M 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) SECONDS Y NO I2C 1 YY-MM-DD-dd 1μA @ 5.5V
ISL12023IVZ-T ISL12023IVZ-T Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12023 Alarm, Daylight Savings, Leap Year, SRAM 128B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 14μA~15μA @ 3V~5V 1.8V~5.5V
MCP79411-I/MS MCP79411-I/MS Microchip Technology 0.0000
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Min: 1

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0.00000000 download 7 Weeks Surface Mount Tube 2011 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free 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 5V 40 MCP79411 8 0.65mm Timers or RTCs 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1Kb 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
RTC-7301SF:B3ROHS RTC-7301SF:B3ROHS EPSON 0.0000
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0.00000000
DS2404B+ DS2404B+ Maxim Integrated 0.0000
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0.00000000 Surface Mount Bulk yes 1 16 EAR99 85°C -40°C 6.2mm RoHS Compliant Lead Free No 16 1 HZ FIXED O/P; 64-BIT LASERED ROM; TIMEKEEPING CURRENT = 350NA SSOP 5.5V 2.8V 5.29mm CMOS 1.99mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 5V 30 16 INDUSTRIAL 0.65mm Clock 512B 0.032MHz SERIAL, 3-WIRE Binary
M41ST85WMH6 M41ST85WMH6 STMicroelectronics 0.0000
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0.00000000 download Tube Obsolete RoHS non-compliant 28 Clock/Calendar/Alarm/Supervisor HH:MM:SS:hh DW:DM:M:Y
1339AC-31SRGI 1339AC-31SRGI Renesas Electronics America 0.0000
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0.00000000 download 12 Weeks Tube 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
M41T00SC64MY6F M41T00SC64MY6F STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 18 EAR99 5V 11.6mm ROHS3 Compliant No 18 18-SOX, 18-SOIC with Crystal (7.5mm Width) I2C, 2-Wire Serial 64 kb 400kHz 7.62mm Surface Mount -40°C~85°C CMOS 2.69mm 8542.39.00.01 2mA Clock/Calendar DUAL 3V M41T00 18 1.27mm Timer or RTC EEPROM, Leap Year 900 ns 8KB 2.7V~5.5V HH:MM:SS SECONDS N SERIAL, 2-WIRE/I2C YY-MM-DD-dd 100μA Typ @ 2.7V~5.5V 2.5V~35V
M41T00CAPPC1 M41T00CAPPC1 STMicroelectronics 0.0000
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0.00000000 Through Hole Tube Timekeeper®, CAPHAT™ Obsolete 1 (Unlimited) 24 EAR99 34.545mm ROHS3 Compliant No 24 24-DIP (0.600, 15.24mm) I2C, 2-Wire Serial Through Hole 0°C~70°C CMOS 9.65mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 225 M41T00 24 2.54mm Timer or RTC 3/5V Leap Year Clock 2.7V~5.5V HH:MM:SS (24 hr) SECONDS N NO I2C YY-MM-DD-dd 70μA @ 2.7V~5.5V Integrated
DS12885Q+ DS12885Q+ Maxim Integrated 8.3715
Add to Cart

Min: 1

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0.00000000 download 6 Weeks Surface Mount Tube 2007 yes Active 1 (Unlimited) 28 EAR99 5V 11.505mm ROHS3 Compliant Lead Free No 28 DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING 28-LCC (J-Lead) Parallel Unknown 11.505mm Surface Mount 0°C~70°C CMOS 4.57mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) QUAD 260 5V DS12885 28 1.27mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 114B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
DS1602S DS1602S Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tube 2002 Obsolete 1 (Unlimited) 8 EAR99 5.31mm Non-RoHS Compliant Contains Lead TWO 32-BIT COUNTERS TO TRACK REAL & ELAPSED TIME; ONE BYTE PROTOCOL; TIMEKEEPING CURRENT = 400NA 8-SOIC (0.209, 5.30mm Width) 3-Wire Serial not_compliant 5.285mm Surface Mount -40°C~85°C CMOS 2.13mm 8542.39.00.01 Elapsed Time Counter e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1602 8 YES 1.27mm R-PDSO-G8 Not Qualified 4.5V~5.5V Binary 2MHz SERIAL, 3-WIRE 50μA @ 5V 2.5V~3.5V
MCP79401T-I/ST MCP79401T-I/ST Microchip Technology 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2010 Active 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant No 8 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP79401 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock TS 16949 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 1.2μA Typ @ 3.3V 1.3V~5.5V
ISL1208IB8Z-TKR5291 ISL1208IB8Z-TKR5291 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2004 85°C -40°C RoHS Compliant SOIC 2-Wire, I2C, Serial 2B HH:MM:SS (12/24 hr) YY-MM-DD-dd
RTC-58321B RTC-58321B Seiko 0.0000
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0.00000000
DS1743P-70 DS1743P-70 Rochester Electronics 0.0000
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Min: 1

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0.00000000 download Tube no Obsolete 1 (Unlimited) 34 Non-RoHS Compliant A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel unknown Surface Mount 0°C~70°C Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Leap Year, NVSRAM, Y2K 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V 3V
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