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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 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 Current - Output Adjustable Threshold Supplier Device Package Source Url Status Check Date Logic Function Access Time Accuracy Memory Size Number of Bits Supply Current-Max Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency RAM (words) On Chip Data RAM Width Time-Min Interrupt Capability Volatile Information Access Method Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1556WP-120 DS1556WP-120 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 34 Non-RoHS Compliant 34-PowerCap™ Module Parallel unknown Surface Mount 0°C~70°C Clock/Calendar e0 TIN LEAD DUAL NOT SPECIFIED 3.3V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 4mA @ 3.3V 3V
MAX6910EO30+ MAX6910EO30+ Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 20 8.65mm ROHS3 Compliant 20-SSOP (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount BICMOS 1.73mm 1 Clock/Calendar/Supervisor e3 TIN DUAL 260 3V NOT SPECIFIED 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 2.7V 85°C -40°C 1 3.3V YES 31B 2.7V~3.3V HH:MM:SS (12/24 hr) YY-MM-DD-dd
X1286A8T1 X1286A8T1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2005 1 8 EAR99 70°C 0°C 5.255mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 5.23mm CMOS 2.03mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 8 COMMERCIAL 1.27mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y NO I2C 1 YY-MM-DD-dd
RX-8035LC:AC0 PURE SN RX-8035LC:AC0 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8035LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder Alarm 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
ISL12025IBZ-T ISL12025IBZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel 1999 Active 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant Lead Free 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 8, 8 INDUSTRIAL 1.27mm R-PDSO-G8 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
RTC-4543SA:A0:PURE SN RTC-4543SA:A0:PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RTC-4543SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar 14-SOP 2.5V~5.5V 1μA~3μA @ 2V~5V
ISL12026AIVZ ISL12026AIVZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 19 Weeks Surface Mount 2010 Active 1 8 EAR99 85°C -40°C 3.3V 4.4mm RoHS Compliant No 8 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.2mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
ISL12029IB27AZ ISL12029IB27AZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 2 14 EAR99 85°C -40°C 3.3V 8.75mm RoHS Compliant No 14 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 1.5mm 4mm CMOS 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
X1288V14Z-2.7 X1288V14Z-2.7 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount 5 14 EAR99 70°C 0°C 5mm RoHS Compliant TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED 14 COMMERCIAL 0.65mm R-PDSO-G14 2.7V Not Qualified 5.5V HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz I2C 1 YY-MM-DD-dd
ISL12027IV27Z ISL12027IV27Z Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Bulk 2010 Active 1 8 EAR99 85°C -40°C 3.3V 3.05mm RoHS Compliant Lead Free No 8 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 1.05mm 4.5mm CMOS e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock 512B HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
ISL12058IUZ ISL12058IUZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 6 Weeks Surface Mount 2009 Active 1 8 EAR99 85°C -40°C 3.3V 3mm RoHS Compliant No 8 MSOP 2-Wire, I2C, Serial 3.6V 1.8V 3mm CMOS 1.1mm e3 Matte Tin (Sn) - annealed DUAL 260 3V 30 INDUSTRIAL 0.65mm Timer or RTC Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
X1227V8I X1227V8I Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Bulk 2005 8 EAR99 85°C -40°C 4.4mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 8 INDUSTRIAL 0.65mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
ISL12022IBZ-T7A ISL12022IBZ-T7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 5 Weeks Surface Mount Tape & Reel (TR) 2007 Active 1 8 EAR99 85°C -40°C 4.9mm RoHS Compliant Lead Free No 20 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 3V 30 8 INDUSTRIAL 1.27mm R-PDSO-G8 Clock 0.0005 % 128B HH:MM:SS 0.032MHz I2C 128 B YY-MM-DD-dd
RV-4162-C7-32.768KHZ-20PPM-TA-QC RV-4162-C7-32.768KHZ-20PPM-TA-QC Micro Crystal 0.0000
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0.00000000 download 4 Weeks Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant 8-WCDFN I2C Surface Mount -40°C~85°C TA Clock/Calendar Alarm, Leap Year, Watchdog Timer 1V~4.4V HH:MM:SS:hh YY-MM-DD-dd 500nA @ 3V
BQ3287AMT-I BQ3287AMT-I Texas Instruments 0.0000
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0.00000000 download Through Hole no 24 EAR99 70°C -20°C 5V 33.72mm RoHS Compliant Contains Lead Tin No 24 PDIP Parallel 5.5V 4.5V 9.52mm 18.42mm CMOS 8542.39.00.01 DUAL 5V OTHER 2.54mm Timer or RTC 5V Clock 114B HH:MM:SS (12/24 hr) SECONDS Y NO 1 YY-MM-DD-dd
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
DS17487-5IND+ DS17487-5IND+ Maxim Integrated 0.0000
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0.00000000 download 12 Weeks Through Hole Tube 2000 yes Active 1 (Unlimited) 24 EAR99 5V 33.782mm ROHS3 Compliant Lead Free No 24 24-DIP Module (0.600, 15.24mm) Parallel Through Hole -40°C~85°C CMOS 9.398mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 5V DS17487 24 2.54mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 4KB 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
M41T81MX6 M41T81MX6 STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 3 (168 Hours) 28 EAR99 17.96mm Non-RoHS Compliant Contains Lead 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 7.62mm Surface Mount -40°C~85°C CMOS 2.69mm Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL NOT SPECIFIED 5V NOT SPECIFIED M41T81 28 1.27mm Timer or RTC Not Qualified 2.5/5V Alarm, Leap Year, Square Wave Output, Watchdog Timer Clock 20B 2V~5.5V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y NO I2C 1 YY-MM-DD-dd 100μA @ 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
PT7C4363BWEX PT7C4363BWEX Diodes Incorporated 0.0000
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0.00000000 download 20 Weeks Tape & Reel (TR) Active EAR99 RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial compliant Surface Mount -40°C~85°C TA 8542.39.00.01 Clock/Calendar NOT SPECIFIED NOT SPECIFIED Alarm, Leap Year, Square Wave Output 1.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.85μA~0.9μA @ 3V~5V
PCF8583PN PCF8583PN NXP Semiconductors / Freescale 0.0000
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0.00000000 download Through Hole 8 EAR99 85°C -40°C 9.5mm RoHS Compliant Lead Free No 8 PDIP 6V 2.5V 7.62mm CMOS 4.2mm DUAL 250 5V 40 INDUSTRIAL 2.54mm 10mA 2013-06-14 00:00:00 240B 0.2mA HH:MM:SS:hh TIMER, REAL TIME CLOCK 0.1MHz 256 8 I2C
DS1374C-33# DS1374C-33# Maxim Integrated 6.6343
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 16 EAR99 10.3mm ROHS3 Compliant 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial not_compliant 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8473.30.11.80 1 Binary Counter e3 MATTE TIN DUAL 260 3.3V 30 DS1374 16 YES 1.27mm 2.97V 1 Not Qualified 5.5V Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer NO 2.97V~5.5V Binary 175μA @ 2.97V~5.5V 1.3V~5.5V
PCF8564AU/5GC/1,01 PCF8564AU/5GC/1,01 NXP USA Inc. 0.0000
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0.00000000 download Bulk 2008 Obsolete 1 (Unlimited) 9 ROHS3 Compliant Die I2C, 2-Wire Serial Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar UPPER 2V PCF8564 9 YES R-XUUC-N9 Timer or RTC Not Qualified 2/5V Alarm, Leap Year, Square Wave Output, Watchdog Timer 1V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
DS1340Z-3 DS1340Z-3 Maxim Integrated 0.0000
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0.00000000 download Tube 2002 no Obsolete 1 (Unlimited) 8 EAR99 4.9mm Non-RoHS Compliant Contains Lead 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial not_compliant 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e0 TIN LEAD DUAL 245 3V NOT SPECIFIED DS1340 8 YES 1.27mm Timer or RTC Not Qualified 3V Leap Year, Trickle-Charger 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
MCP795W22-I/SL MCP795W22-I/SL Microchip Technology 0.0000
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0.00000000 download 5 Weeks Surface Mount Tube 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 1.25mm 3.9mm Surface Mount -40°C~85°C CMOS 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
DS1251WP-120 DS1251WP-120 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 no Obsolete 3 (168 Hours) 34 3A991.B.2.A 3.3V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel 120GHz Surface Mount 0°C~70°C CMOS 8473.30.11.40 Phantom Time Chip e0 TIN LEAD DUAL 3.3V DS1251 34 Timer or RTC Leap Year, NVSRAM Clock 120 ns 512KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V 3V
ISL1209IU10Z-TK ISL1209IU10Z-TK Renesas Electronics America 0.0000
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0.00000000 download 7 Weeks Cut Tape (CT) 2004 Active 2 (1 Year) EAR99 ROHS3 Compliant 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Time Event Recorder e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED ISL1209 10 Alarm, Leap Year, SRAM 2B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
BQ3287MT-I BQ3287MT-I Texas Instruments 0.0000
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0.00000000 Through Hole no 24 EAR99 70°C -20°C 5V 33.72mm RoHS Compliant Contains Lead Tin No 24 DIP Parallel 5.5V No SVHC 4.5V 9.52mm 18.42mm CMOS DUAL 5V OTHER 2.54mm Timer or RTC 5V 8 Clock 114B HH:MM:SS (12/24 hr) SECONDS Y NO 1 YY-MM-DD-dd
M41T64Q6F M41T64Q6F STMicroelectronics 0.0000
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0.00000000 download 18 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Timekeeper® Active 1 (Unlimited) 16 EAR99 3mm ROHS3 Compliant Lead Free No 16 16-VFQFN Exposed Pad I2C, 2-Wire Serial 880μm 3mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed QUAD 260 2V 30 M41T64 16 0.5mm Timer or RTC 1.5/3V Alarm, Leap Year, Square Wave Output, Watchdog Timer Clock 1.3V~4.4V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y I2C 16 B 1 YY-MM-DD-dd 0.7μA~0.95μA @ 1.3V~4.4V
RX-4571LC:B3PURESN RX-4571LC:B3PURESN EPSON 0.0000
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0.00000000
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