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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 Nominal Supply Current 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Load Capacitance Power Dissipation Supplier Device Package Source Url Status Check Date Logic Function Access Time Screening Level Memory Size Memory Type Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency RAM (words) Time-Min Interrupt Capability Volatile Information Access Method Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
ISL12027IB30AZ ISL12027IB30AZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 1999 Active 1 8 EAR99 85°C -40°C 3.3V 5mm RoHS Compliant No 8 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 1.5mm 4mm CMOS 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 YY-MM-DD-dd
BQ4285LP BQ4285LP Texas Instruments 0.0000
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0.00000000 no 24 EAR99 31.75mm RoHS Compliant Contains Lead 24 PDIP CMOS 5.08mm 8542.39.00.01 DUAL THROUGH-HOLE NOT SPECIFIED 3.15V NOT SPECIFIED 24 COMMERCIAL NO 2.54mm 2.7V 70°C Timer or RTC Not Qualified 3.15V 3.6V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES PARALLEL, MUXED BUS 1
ISL12028IB27AZ ISL12028IB27AZ 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 8.65mm RoHS Compliant No 14 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 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
DS1501YS+T&R DS1501YS+T&R Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2013 Obsolete 1 (Unlimited) 70°C 0°C ROHS3 Compliant Lead Free 28 28-SOIC (0.295, 7.50mm Width) Parallel 5.5V 4.5V Surface Mount 0°C~70°C Clock/Calendar DS1501 Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 28-SOIC Clock 256B 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
PCF8583T/5,118 PCF8583T/5,118 NXP Semiconductors / Freescale 0.0000
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0.00000000 download RoHS Compliant 8 8 2013-06-14 00:00:00
MCP79522T-I/MS MCP79522T-I/MS Microchip Technology 0.0000
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0.00000000 download 5 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 MCP79522 0.5mm Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 5MHz YY-MM-DD-dd 1μA @ 1.8V~3.6V 1.3V~3.6V
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
RX8130CE:BB RX8130CE:BB EPSON 0.0000
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0.00000000 download 13 Weeks Bulk RX8130CE Active 1 (Unlimited) ROHS3 Compliant 10-SMD, No Lead I2C Surface Mount -40°C~85°C Time Event Recorder Alarm 1.25V~5.5V 0.5μA @ 3V
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
ISL12020MIRZ ISL12020MIRZ Renesas Electronics America 0.0000
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0.00000000 download 3 Weeks Tube 2008 Active 1 (Unlimited) 20 EAR99 5.5mm ROHS3 Compliant 20-PowerLFDFN I2C, 2-Wire Serial 4mm Surface Mount -40°C~85°C CMOS 1.3mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 3V ISL12020 20 YES 0.5mm R-PDSO-N20 Alarm, Daylight Savings, Leap Year, SRAM 128B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 14μA~15μA @ 3V~5V 1.8V~5.5V
X1227S8-2.7 X1227S8-2.7 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount 1 8 EAR99 70°C 0°C 4.9022mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial not_compliant 3.9116mm CMOS 1.7272mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 40 8 COMMERCIAL 1.27mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V 3.9kB HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
M41T00SM6F M41T00SM6F 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 Tin No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 1.25mm 4mm Surface Mount -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 30 M41T00 8 1.27mm Timer or RTC 3/5V Leap Year Clock 2.7V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N I2C 8 B YY-MM-DD-dd 70μA @ 2.7V~5.5V 2V~3.5V
M48T35Y-70PC1 M48T35Y-70PC1 STMicroelectronics 0.0000
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0.00000000 download 25 Weeks ACTIVE (Last Updated: 7 months ago) Through Hole Tube Timekeeper® Active 1 (Unlimited) 28 EAR99 5V 39.88mm ROHS3 Compliant Lead Free No 28 28-DIP Module (0.600, 15.24mm) Parallel No SVHC 70GHz 8.89mm 18.34mm Through Hole 4.190003g 0°C~70°C CMOS 8542.39.00.01 80mA Clock/Calendar e3 Matte Tin (Sn) DUAL 5V M48T35 28 2.54mm Timer or RTC 5V Leap Year 100pF 1W Clock 70 ns 32kB SRAM 4.5V~5.5V HH:MM:SS (24 hr) 32760 SECONDS N NO YY-MM-DD-dd 2mA @ 4.75V~5.5V
MCP7940N-I/ST MCP7940N-I/ST Microchip Technology 0.0000
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0.00000000 download 5 Weeks Surface Mount Tube 2010 Automotive, AEC-Q100 Active 1 (Unlimited) 8 EAR99 4.5mm ROHS3 Compliant Lead Free No 8 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial No SVHC 1.05mm 3.1mm 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 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y I2C 64 B YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
RV-3029-C2-32.768KHZ-OPTION-A-TB-QA RV-3029-C2-32.768KHZ-OPTION-A-TB-QA 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 I2C, 2-Wire Serial Surface Mount -40°C~125°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, NVRAM, RAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
HT1381-8SOPLF HT1381-8SOPLF Holtek 0.0000
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0.00000000 download 2000 70°C 0°C RoHS Compliant 8 SOP 5.5V No SVHC 2V 500MHz 1
RV-8803-C7-32.768KHZ-3PPM-TA-QC RV-8803-C7-32.768KHZ-3PPM-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 8-WCDFN I2C Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, Leap Year, RAM 1.5V~5.5V HH:MM:SS YY-MM-DD-dd 350nA @ 3V
RS5C338A-E2-F RS5C338A-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
DS1672S-33 DS1672S-33 Rochester Electronics 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 Binary Counter Trickle-Charger 8-SOIC 2.97V~3.63V Binary Binary 500μA @ 3.63V 1.3V~3.63V
DS1556-70IND+ DS1556-70IND+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tube 2003 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 NOT SPECIFIED 5V NOT SPECIFIED DS1556 32 NO 2.54mm Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 6mA @ 5V
PCF2123U/10AA/1,00 PCF2123U/10AA/1,00 NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Bulk 2010 Active Not Applicable 12 ROHS3 Compliant Die SPI Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 MATTE TIN UPPER NOT SPECIFIED 2V NOT SPECIFIED PCF2123 YES R-XUUC-N12 Timer or RTC Not Qualified 1.1/5.5V Alarm, Leap Year, Square Wave Output, Watchdog Timer 1.6V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES SERIAL, 3-WIRE 1 YY-MM-DD-dd 0.33μA~0.38μA @ 2V~5V
MCP79401T-I/MS MCP79401T-I/MS Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2007 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 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
DS17485-5 DS17485-5 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2002 yes Obsolete 1 (Unlimited) 24 EAR99 5V 31.75mm Non-RoHS Compliant Contains Lead, Lead Free No 24 24-DIP (0.600, 15.24mm) Parallel No SVHC 32.8kHz Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS17485 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 SECONDS Y NO 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
DS1284Q/T&R DS1284Q/T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2009 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 28-LCC (J-Lead) Parallel Surface Mount 0°C~70°C Clock/Calendar DS1284 Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer 28-PLCC (11.51x11.51) 50B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 7mA @ 5V 2.4V~3.5V
M41ST85WMH6F M41ST85WMH6F STMicroelectronics 0.0000
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0.00000000 download 26 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 3 (168 Hours) 28 EAR99 3.3V 18.1mm ROHS3 Compliant Lead Free Tin No 28 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets I2C, 2-Wire Serial 8.56mm Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar e3 DUAL 260 3V 30 M41ST 28 1.27mm Timer or RTC Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer Clock 44B 2.7V~3.6V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y I2C 64 B 1 YY-MM-DD-dd 0.5mA @ 2.7V~3.6V 2.5V~3.5V
X1226S8Z X1226S8Z Intersil 0.0000
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0.00000000
DS1603+ DS1603+ Maxim Integrated 0.0000
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0.00000000 download Tube 2002 Obsolete 1 (Unlimited) 7 EAR99 21.335mm ROHS3 Compliant Lead Free ONE BYTE PROTOCOL; 1 HZ FIXED O/P; 10 YEARS DATA RETENTION; ACCURACY 2 MIN/MONTH 14-DIP Module (0.335, 8.51mm) 3-Wire Serial not_compliant 16.765mm Through Hole 0°C~70°C CMOS 8.38mm 8542.39.00.01 Elapsed Time Counter e3 Matte Tin (Sn) SINGLE 245 5V 30 DS1603 7 NO 2.54mm R-XSIP-T7 Not Qualified 4.5V~5.5V Binary 2MHz SERIAL, 3-WIRE 1 50μA @ 5V 3V~4.5V
DS1685E-5+T&R DS1685E-5+T&R Maxim Integrated 0.0000
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0.00000000 download 15 Weeks Surface Mount Tape & Reel (TR) 2000 Active 1 (Unlimited) 70°C 0°C 5V ROHS3 Compliant Lead Free No 24 24-TSSOP (0.173, 4.40mm Width) Parallel 5.5V 4.5V Surface Mount 0°C~70°C Clock/Calendar DS1685 Alarm, NVSRAM, Square Wave Output, Y2K 24-TSSOP Clock 242B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
MCP79511T-I/MN MCP79511T-I/MN Microchip Technology 0.0000
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0.00000000 download 14 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-WFDFN Exposed Pad SPI 3mm Surface Mount -40°C~85°C CMOS 0.8mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 3V MCP79511 0.5mm Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 5MHz YY-MM-DD-dd 1μA @ 1.8V~3.6V 1.3V~3.6V
ISL12024IVZ ISL12024IVZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 20 Weeks Surface Mount 1999 Active 1 8 EAR99 85°C -40°C 3.3V 3.05mm RoHS Compliant 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 30 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
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