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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 Operating Supply Voltage Length RoHS Status Lead Free Radiation Hardening Number of Pins Additional Feature Package / Case Interface REACH SVHC Reach Compliance Code Frequency Height Width 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) Number of Outputs Feature Adjustable Threshold Supplier Device Package Number of Terminals 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
X1228V14I-2.7A X1228V14I-2.7A Intersil 0.0000
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Min: 1

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0.00000000
MCP79410T-I/MNY MCP79410T-I/MNY Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2009 Active 1 (Unlimited) 8 EAR99 1.9812mm ROHS3 Compliant Lead Free No 8 8-WFDFN Exposed Pad I2C, 2-Wire Serial 762μm 2.9972mm Surface Mount 37.393021mg -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 40 MCP79410 8 0.5mm 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
DS1743-100 IND DS1743-100 IND Maxim Integrated 0.0000
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0.00000000 download Tube 2012 Obsolete 1 (Unlimited) 28 EAR99 38.225mm Non-RoHS Compliant 28-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole -40°C~85°C CMOS 10.67mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL NOT SPECIFIED 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
DS1340Z-3+ DS1340Z-3+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 8 EAR99 3V 5mm ROHS3 Compliant Lead Free No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Unknown 1.5mm 4mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3V DS1340 8 1.27mm Timer or RTC 3V Leap Year, Trickle-Charger Clock 2.7V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO I2C YY-MM-DD-dd 125μA @ 3.3V 1.3V~3.7V
DS1689S-TRL DS1689S-TRL Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 28-SOIC (0.295, 7.50mm Width) Parallel Surface Mount 0°C~70°C Clock/Calendar DS1689 NVSRAM 114B 2.7V~3.3V 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2mA @ 3V 3mA @ 5V 2.5V~3.7V
RTC-72421B RTC-72421B EPSON 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 18-DIP (0.300, 7.62mm) Parallel Through Hole -10°C~70°C Clock/Calendar Leap Year 18-DIP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
PCF8563TD-T PCF8563TD-T NXP Semiconductors 0.0000
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0.00000000
DS1305EN+T DS1305EN+T Maxim Integrated 0.0000
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0.00000000 yes 1 (Unlimited) 20 EAR99 6.5mm Non-RoHS Compliant Contains Lead 20 4.4mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 5V 30 20 INDUSTRIAL YES 0.65mm 2V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V 96B TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES SERIAL, 3-WIRE
RV5C387A-E2-F RV5C387A-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant 10-LFSOP, 10-MSOP (0.110, 2.80mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 10-SSOP-G 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.8μA @ 3V
ISL12029IB27Z-T ISL12029IB27Z-T Rochester Electronics 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 2 (1 Year) ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer 14-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
ISL1219IUZ-T ISL1219IUZ-T Intersil 0.0000
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0.00000000
PCF8593TD-T PCF8593TD-T NXP Semiconductors 0.0000
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0.00000000
R2221T-E2-F R2221T-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant Lead Free 10-VFSOP, 10-MSOP (0.110, 2.80mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, RAM 10-TSSOPG Clock 1.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.9μA @ 3V
R2051S01-E2-F R2051S01-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant Lead Free 16-LSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 16-SSOP Clock 2.34V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1μA @ 3V
M41T11M6F M41T11M6F STMicroelectronics 0.0000
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0.00000000 download 10 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 8 EAR99 5mm ROHS3 Compliant Lead Free No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 1.5mm 4mm Surface Mount 506.605978mg -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 30 M41T11 8 1.27mm Timer or RTC 2.5/5V Leap Year, NVSRAM Clock 56B 2V~5.5V HH:MM:SS 0.032MHz SECONDS N I2C 56 B YY-MM-DD-dd 70μA @ 2V~5.5V 2.5V~3.5V
RA-4574SA:B3 PURE SN RA-4574SA:B3 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RA-4574SA Active 1 (Unlimited) ROHS3 Compliant 14-SSOP (0.209, 5.30mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.6V~5.5V HH:MM:SS YY-MM-DD-dd 0.5μA~1μA @ 3V~5V
DS1374U-33+ DS1374U-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 10 EAR99 3.3V 3.05mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Unknown 32.768kHz 950μm 3.05mm Surface Mount 143.193441mg -40°C~85°C CMOS 1 Binary Counter e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1374 10 0.5mm 2.97V 1 5.5V 1 Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer NO Clock, Counter 2.97V~5.5V Binary 175μA @ 2.97V~5.5V 1.3V~5.5V
PCA8565TS/S440/1,5 PCA8565TS/S440/1,5 NXP Semiconductors / Freescale 0.0000
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0.00000000 download Non-RoHS Compliant
MCP795B21-I/ST MCP795B21-I/ST Microchip Technology 0.0000
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0.00000000 download Surface Mount Tube 2011 Obsolete 1 (Unlimited) 14 EAR99 5mm ROHS3 Compliant No 14 ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-TSSOP (0.173, 4.40mm Width) SPI 4.4mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN (SN) DUAL 5V MCP795B21 14 0.65mm Timer or RTC 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer Clock 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
RTC-4574NB:B ROHS RTC-4574NB:B ROHS EPSON 0.0000
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0.00000000 download 13 Weeks Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm 22-SON (6.3x4.8) 1.6V~5.5V 1μA~2μA @ 3V~5V
X1288V14Z-2.7AT1 X1288V14Z-2.7AT1 Intersil Corporation 0.0000
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0.00000000 5 EAR99 5mm RoHS Compliant unknown 4.4mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 5V NOT SPECIFIED 14 COMMERCIAL YES 0.65mm R-PDSO-G14 2.7V 70°C Not Qualified 5.5V 14 TIMER, REAL TIME CLOCK 0.032MHz I2C 1
DS1393U-33+ DS1393U-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 10 EAR99 3.3V 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) 3-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1393 10 0.5mm Timers or RTCs Alarm, Leap Year, Square Wave Output, Trickle-Charger Clock 2.97V~5.5V HH:MM:SS:hh (12/24 hr) 0.032MHz Y NO SERIAL, 2-WIRE/I2C 1 YY-MM-DD-dd 175μA @ 2.97V~5.5V 1.3V~5.5V
BQ4802YDSH BQ4802YDSH Texas Instruments 0.0000
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0.00000000 download Surface Mount Tube Obsolete 2 (1 Year) 28 EAR99 5V 18.095mm ROHS3 Compliant Contains Lead No 28 28-SOIC (0.337, 8.56mm Width) with SNAPHAT Sockets Parallel 8.56mm Surface Mount 0°C~70°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 5V BQ4802 28 1.27mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.4V~4V
MCP7940M-I/ST MCP7940M-I/ST Microchip Technology 0.0000
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0.00000000 download 6 Weeks Tube 2007 Active 1 (Unlimited) 8 EAR99 3.1mm ROHS3 Compliant Lead Free No 8 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial No SVHC 1.05mm 4.5mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940M YES 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y I2C 64 B 1 YY-MM-DD-dd 1μA @ 5.5V
BQ3285P-SB2 BQ3285P-SB2 Texas Instruments 0.0000
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0.00000000 download Tube yes Obsolete 1 (Unlimited) 24 EAR99 31.75mm ROHS3 Compliant 24-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED BQ3285 24 NO 2.54mm R-PDIP-T24 Timer or RTC Not Qualified 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 2.5V~4V
DS1673E-5 DS1673E-5 Rochester Electronics, LLC 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 20 6.5mm Non-RoHS Compliant 3-CHANNEL, 8-BIT ADC 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial unknown 4.4mm Surface Mount 0°C~70°C MOS 1.1mm Portable System Controller e0 TIN LEAD DUAL 240 5V 20 20 YES 0.65mm R-PDSO-G20 COMMERCIAL Alarm, Leap Year, Watchdog Timer 4.5V~5.5V HH:MM:SS (12/24 hr) 1 0.032MHz SERIAL, 3-WIRE YY-MM-DD-dd 300μA @ 5V 2.5V~3.7V
ISL12027IBZ-T ISL12027IBZ-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 2010 Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12027 8 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
DS12R887-33 DS12R887-33 Maxim Integrated 0.0000
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0.00000000 download Tray 2010 no Obsolete 1 (Unlimited) 48 EAR99 3.3V 15.3mm ROHS3 Compliant No 48 48-BBGA Parallel 11.8mm Surface Mount -40°C~85°C CMOS 3.68mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) BOTTOM 240 3.3V 20 DS12R887 48 YES 1.27mm Timer or RTC Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Clock 114B 2.97V~3.63V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 2.97V~3.63V 2V~3.05V
ISL12024IRTCZ-T ISL12024IRTCZ-T Intersil 0.0000
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0.00000000
R2025S-E2-F R2025S-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 RoHS Compliant Lead Free SOP Clock
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