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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 Contact Plating Radiation Hardening Number of Pins Additional Feature Package / Case Interface Max Supply Voltage REACH SVHC Reach Compliance Code Min Supply Voltage 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) Feature Adjustable Threshold Supplier Device Package Logic Function Access Time Memory 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 Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
1337DVGI8 1337DVGI8 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Active 3 (168 Hours) ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1337 Alarm, Leap Year, Square Wave Output 8-TSSOP 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
DS1747W-120IND+ DS1747W-120IND+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2007 yes Active 1 (Unlimited) 32 EAR99 43.053mm ROHS3 Compliant Lead Free 32 32-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED DS1747 32 NO 2.54mm Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM, Y2K 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V
RX-4575LC:B3 RX-4575LC:B3 EPSON 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 85°C -40°C RoHS Compliant 12 12-TFSOJ (0.094, 2.40mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 12-VSOJ 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.7μA~0.9μA @ 3V~5V
DS1302ST DS1302ST Maxim Integrated 0.0000
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0.00000000 download yes 1 8 EAR99 5.31mm Non-RoHS Compliant Contains Lead BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA 5.285mm CMOS 2.13mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 8 COMMERCIAL YES 1.27mm R-PDSO-G8 2V 70°C Timer or RTC Not Qualified 3/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS N YES SERIAL, 3-WIRE
DS1685E-5 DS1685E-5 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 24 7.8mm Non-RoHS Compliant 24-TSSOP (0.173, 4.40mm Width) Parallel unknown 4.4mm Surface Mount 0°C~70°C CMOS 1.1mm Clock/Calendar e0 TIN LEAD DUAL 240 5V 20 24 YES 0.65mm R-PDSO-G24 COMMERCIAL Alarm, NVSRAM, Square Wave Output, Y2K 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
DS1337ST DS1337ST Maxim Integrated 0.0000
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0.00000000 yes 1 (Unlimited) 8 EAR99 4.9mm Non-RoHS Compliant Contains Lead 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V NOT SPECIFIED 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 1.8V 85°C -40°C Timers or RTCs Not Qualified 2/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1
DS17885E-5+ DS17885E-5+ Maxim Integrated 0.0000
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0.00000000 download Tray 2000 yes Obsolete 3 (168 Hours) 28 EAR99 11.8mm ROHS3 Compliant Lead Free 28-TSSOP (0.465, 11.80mm Width) Parallel 8mm Surface Mount 0°C~70°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS17885 28 YES 0.55mm R-PDSO-G28 Timer or RTC Not Qualified 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 8KB 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
DS1391U+33 DS1391U+33 Maxim Integrated 0.0000
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0.00000000 download Bulk 2012 yes 1 10 EAR99 3mm RoHS Compliant compliant 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 YES SERIAL, 3-WIRE 1
ISL12023IVZ-T ISL12023IVZ-T Intersil 0.0000
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0.00000000
X1227S8I-2.7 X1227S8I-2.7 Renesas Electronics America 0.0000
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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 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
BQ3285P-SB2E3 BQ3285P-SB2E3 Texas Instruments 0.0000
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0.00000000 download Through Hole Tube Obsolete 1 (Unlimited) 24 EAR99 5V 31.75mm ROHS3 Compliant Lead Free Tin No 24 24-DIP (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e3 DUAL 5V BQ3285 24 2.54mm 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 2.5V~4V
ISL12024IBZ-T ISL12024IBZ-T Intersil 0.0000
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0.00000000
DS3231SN#T&R DS3231SN#T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2012 Active 1 (Unlimited) ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar DS3231 Alarm, Leap Year, Square Wave Output, TCXO/Crystal 16-SOIC 2.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 110μA~170μA @ 3.63V~5.5V 2.3V~5.5V
DS1347T+T&R DS1347T+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Digi-Reel® 2012 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant No 8 8-WDFN Exposed Pad SPI 5.5V Unknown 2V Surface Mount -40°C~85°C Clock/Calendar DS1347 Alarm, Leap Year, SRAM 8-TDFN (3x3) Clock 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.7μA~0.8μA @ 2V~5V
DS1374U-18+ DS1374U-18+ Maxim Integrated 0.0000
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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) I2C, 2-Wire Serial Unknown 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8473.30.11.80 1 Binary Counter e3 Matte Tin (Sn) DUAL 260 1.8V 30 DS1374 10 0.5mm 1.71V 1 1.89V Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer NO Clock, Counter 1.71V~1.89V Binary 100μA @ 1.71V~1.89V 1.3V~3.7V
X1228S14IZ X1228S14IZ Renesas Electronics America 0.0000
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0.00000000 download Tube 2005 Obsolete 3 (168 Hours) ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar e3 MATTE TIN NOT SPECIFIED NOT SPECIFIED 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
PCF8563TS-T PCF8563TS-T NXP Semiconductors / Freescale 0.0000
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0.00000000 Surface Mount Tape and Reel no 85°C -40°C RoHS Compliant Lead Free No 8 TSSOP 5.5V 1.8V HH:MM:SS
M48T37Y-70MH1E M48T37Y-70MH1E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 3 (168 Hours) 44 EAR99 5V 18.49mm ROHS3 Compliant Lead Free No 44 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT Parallel No SVHC 70GHz 2.69mm 8.89mm Surface Mount 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M48T37 44 0.81mm Timer or RTC 5V Alarm, Leap Year, Watchdog Timer Clock 70 ns 32kB 8 4.5V~5.5V HH:MM:SS (24 hr) SECONDS Y NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
RA-4574SA:B PURE SN RA-4574SA:B PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RA-4574SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm 14-SOP 1.6V~5.5V 1μA~2μA @ 3V~5V
PT7C4337LE PT7C4337LE Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
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0.00000000 RoHS Compliant
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
X1228V14-4.5A X1228V14-4.5A Renesas Electronics America 0.0000
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0.00000000 download Tube 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 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
RV-3032-C7 32.768KHZ-2.5PPM-TA-QC RV-3032-C7 32.768KHZ-2.5PPM-TA-QC Micro Crystal 0.0000
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0.00000000
PT7C4337WEX PT7C4337WEX 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 3.3V 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 1.8V 85°C -40°C Timer or RTC Not Qualified 2/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1
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
DS1302Z/T&R DS1302Z/T&R Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) 70°C 0°C 3.3V 5mm Non-RoHS Compliant Contains Lead Tin No 8 8-SOIC (0.154, 3.90mm Width) 3-Wire Serial 5.5V Unknown 2V 1.5mm 4mm Surface Mount 506.605978mg 0°C~70°C Clock/Calendar DS1302 Leap Year, NVSRAM, Trickle-Charger 8-SOIC Clock 31B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
RX8900SA:UC0PURESN RX8900SA:UC0PURESN EPSON 0.0000
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0.00000000
M48T37Y-70MH6E M48T37Y-70MH6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 1 (Unlimited) 44 EAR99 18.1mm Non-RoHS Compliant Contains Lead 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT Parallel 70GHz 8.56mm Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M48T37 44 0.81mm R-PDSO-G44 Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer Clock 70 ns 250kB 8 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
DS1315SN-33+ DS1315SN-33+ Maxim Integrated 22.5923
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0.00000000 download 6 Weeks PRODUCTION (Last Updated: 1 month ago) Tube 2011 yes Active 1 (Unlimited) 16 EAR99 10.3mm ROHS3 Compliant Lead Free 16-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1315 16 YES 1.27mm R-PDSO-G16 Timer or RTC Not Qualified 3.3V Leap Year 3V~3.6V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.1mA @ 3.3V 2.5V~3.7V
DS1307ZN+T DS1307ZN+T Maxim Integrated 0.0000
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0.00000000 yes 1 8 EAR99 4.9mm Non-RoHS Compliant Lead Free 8 SOIC 3.9mm CMOS 1.75mm e3 Matte Tin (Sn) DUAL GULL WING 260 5V NOT SPECIFIED 8 INDUSTRIAL YES 1.27mm 4.5V -40°C Timer or RTC Not Qualified 5V 5.5V 56B TIMER, REAL TIME CLOCK 0.032MHz SECONDS N YES I2C 1
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