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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 Evaluation Kit 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 Number of Terminals Logic Function Memory Size Function 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
X1228S14IZ-2.7 X1228S14IZ-2.7 Intersil 0.0000
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Min: 1

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0.00000000
DS1553W-150 DS1553W-150 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 28 38.862mm Non-RoHS Compliant 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C 9.398mm Clock/Calendar e0 TIN LEAD DUAL 240 3.3V NOT SPECIFIED 28 NO 2.54mm R-PDIP-P28 COMMERCIAL Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 8KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 2mA @ 3.3V 3V
DS3231MZ+ DS3231MZ+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 6 Weeks Surface Mount Tube 2012 yes Active 1 (Unlimited) 8 EAR99 3.3V 5mm ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 1.5mm 4mm Surface Mount 540.001716mg -40°C~85°C CMOS Yes Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS3231 8 1.27mm Timer or RTC Alarm, Leap Year, Square Wave Output Clock 2.3V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 130μA~200μA @ 3.63V~5.5V 2.3V~5.5V
RTC-4574NB:B3 ROHS RTC-4574NB:B3 ROHS EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RTC-4574NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 22-SON (5x6) 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1μA~2μA @ 3V~5V
DS1315N-33+ DS1315N-33+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tube 2011 yes Obsolete 1 (Unlimited) 16 EAR99 19.175mm ROHS3 Compliant Lead Free 7.62mm CMOS 4.572mm 8542.39.00.01 e3 MATTE TIN DUAL THROUGH-HOLE 260 3.3V 30 16 INDUSTRIAL NO 2.54mm R-PDIP-T16 3V 85°C -40°C Timer or RTC Not Qualified 3.3V 3.6V TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL
RA-4565SA B3 PURE SN RA-4565SA B3 PURE SN Epson America, Inc 0.0000
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Min: 1

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0.00000000 download Tape and Reel Active Yes with exemptions 14 Clock/Calendar/Alarm HH:MM:SS DW:DM:M:Y
X1288V14-2.7T1 X1288V14-2.7T1 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 0°C~70°C Clock/Calendar X1288 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
RX-4574LC:B3PURESN RX-4574LC:B3PURESN EPSON 0.0000
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Min: 1

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0.00000000
PCF85163TS/1,118 PCF85163TS/1,118 NXP Semiconductors 0.0000
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Min: 1

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0.00000000
MCP795B22-I/SL MCP795B22-I/SL Microchip Technology 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube 2011 Obsolete 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) DUAL 5V MCP795B22 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~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
M41T83ZMY6F M41T83ZMY6F STMicroelectronics 0.0000
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0.00000000 download 25 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 18 EAR99 11.61mm ROHS3 Compliant Lead Free No 18 18-SOX, 18-SOIC with Crystal (7.5mm 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 240 3V 30 M41T83 18 1.27mm Timers or RTCs 3/5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 8 2.38V~5.5V HH:MM:SS:hh (24 hr) 0.4MHz 1/100SECOND Y I2C 7 B 1 YY-MM-DD-dd 10μA @ 5.5V 2V~5.5V
DS1678S+T&R DS1678S+T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Tape & Reel (TR) 2009 Active 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.209, 5.30mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder DS1678 Alarm, Leap Year, NVSRAM, Y2K 8-SO 32B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.6V~3.5V
M41T81SM6E M41T81SM6E STMicroelectronics 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 8 EAR99 5mm ROHS3 Compliant Lead Free No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 32kHz 1.25mm 4mm Surface Mount -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 30 M41T81 8 Timer or RTC 3/5V 1 Alarm, Leap Year, Square Wave Output, Watchdog Timer Clock 20B 2.7V~5.5V HH:MM:SS:hh (24 hr) Y YES I2C 1 YY-MM-DD-dd 100μA @ 2.7V~5.5V 2V~3.5V
1337DCGI8 1337DCGI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 icon-pbfree yes 1 EAR99 4.9mm RoHS Compliant compliant 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL GULL WING 260 3.3V 30 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 1.8V 85°C -40°C Timer or RTC Not Qualified 2/5V 5.5V 8 TIMER, REAL TIME CLOCK SECONDS Y I2C 1
DS1558Y+ DS1558Y+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tray 2009 yes Active 1 (Unlimited) 48 EAR99 5V 7mm ROHS3 Compliant Lead Free No 48 48-LQFP Parallel Unknown 7mm Surface Mount -40°C~85°C CMOS 1.2mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) QUAD 260 5V DS1558 48 0.5mm Timer or RTC 5V Alarm, Leap Year, Watchdog Timer, Y2K Clock 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 2.5V~3.7V
RX8900SA:UB0 PURE SN RX8900SA:UB0 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX8900SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 14-SOIC 2.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1.4μA~1.5μA @ 3V~5V 1.6V~5.5V
DS1672S-2+ DS1672S-2+ Maxim Integrated 0.0000
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Min: 1

Mult: 1

0.00000000 download 9 Weeks Tube 2002 yes Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant Lead Free 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8473.30.11.80 Binary Counter e3 Matte Tin (Sn) DUAL 260 2V NOT SPECIFIED DS1672 8 YES 1.27mm R-PDSO-G8 Timers or RTCs Not Qualified 2V Trickle-Charger 1.8V~2.2V Binary 0.032MHz SECONDS N NO I2C 500μA @ 2.2V 1.3V~3.63V
DS1340Z-18+ DS1340Z-18+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 8 EAR99 1.8V 4.9mm ROHS3 Compliant Lead Free No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Unknown 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e3 Matte Tin (Sn) DUAL 260 1.8V DS1340 8 1.27mm Timer or RTC Leap Year, Trickle-Charger Clock 1.71V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO I2C YY-MM-DD-dd 100μA @ 1.89V 1.3V~3.7V
PT7C43190LE PT7C43190LE Diodes Incorporated 0.0000
RFQ

Min: 1

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0.00000000 download Obsolete 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) 3-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar DUAL 3V YES 0.65mm R-PDSO-G8 Timer or RTC Not Qualified 3/5V Alarm, Leap Year, Square Wave Output 1.35V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 0.6μA~14μA @ 3V~5V
X1226S8Z X1226S8Z Renesas Electronics America 0.0000
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Min: 1

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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 0°C~70°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
IDT1337SOI IDT1337SOI Integrated Device Technology (IDT) 0.0000
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Min: 1

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0.00000000 RoHS Compliant 16 SOIC
NJU6355ED NJU6355ED NJR Corporation/NJRC 0.0000
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Min: 1

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0.00000000 download 12 Weeks Tube 2005 Active 1 (Unlimited) RoHS Compliant 8-DIP (0.300, 7.62mm) 4-Wire Serial Through Hole -30°C~80°C Clock/Calendar Leap Year 8-DIP 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 4μA~15μA @ 2V~5V
DS1338C-3# DS1338C-3# Maxim Integrated 0.0000
RFQ

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
DS1388Z-3+ DS1388Z-3+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 8 EAR99 3V 4.9mm ROHS3 Compliant Lead Free No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3V DS1388 8 1.27mm Timers or RTCs 3V EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer Clock 512B 2.7V~3.3V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND Y NO I2C YY-MM-DD-dd 140μA @ 2.7V~3.3V 1.3V~5.5V
MCP795W10T-I/ST MCP795W10T-I/ST Microchip Technology 0.0000
RFQ

Min: 1

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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2011 Active 1 (Unlimited) 14 EAR99 5mm ROHS3 Compliant Lead Free 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) - annealed DUAL 260 5V 40 MCP795W10 14 0.65mm Timer or RTC 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, 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
RX-4575LC:B3:PURE SN RX-4575LC:B3:PURE SN EPSON 0.0000
RFQ

Min: 1

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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) 12 RoHS Compliant 12-TFSOJ (0.094, 2.40mm Width) 3-Wire Serial compliant Surface Mount -40°C~85°C Clock/Calendar e3 Tin (Sn) DUAL YES 0.5mm R-PDSO-J12 Timers or RTCs Not Qualified 1.8/5V Alarm, Leap Year 1.6V~5.5V HH:MM:SS (24 hr) SECONDS Y YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 0.7μA~0.9μA @ 3V~5V
X1205V8IT1 X1205V8IT1 Renesas Electronics America 0.0000
RFQ

Min: 1

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0.00000000 download Tape & Reel (TR) 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 X1205 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
X1227S8IZ-2.7AT1 X1227S8IZ-2.7AT1 Intersil Corporation 0.0000
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0.00000000 1 EAR99 4.9022mm RoHS Compliant compliant 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 2.7V 85°C -40°C Not Qualified 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz I2C 1
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
DS1307Z/T&R DS1307Z/T&R Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Tape & Reel (TR) 2011 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar DS1307 Leap Year, NVSRAM, Square Wave Output 8-SOIC 56B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 5V 2V~3.5V
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