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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 Compliance Code Min Supply Voltage Density Frequency 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Supplier Device Package Logic Function Access Time Memory Size Function Number of Bits Voltage - Supply Time Format External Data Bus Width Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency Word Size Time-Min Interrupt Capability Volatile Information Access Method Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
BU9873NUX-TTR BU9873NUX-TTR ROHM Semiconductor 0.0000
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0.00000000 10 Weeks Surface Mount Cut Tape (CT) 2013 Active 1 (Unlimited) EAR99 5V ROHS3 Compliant Tin 8 8-UFDFN Exposed Pad I2C, 2-Wire Serial Surface Mount -40°C~85°C CMOS Clock/Calendar NOT SPECIFIED NOT SPECIFIED Alarm, Leap Year Clock, Counter 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1μA~1.35μA @ 3V~5.5V
RV-8564-C2-32.768KHZ-10PPM-TA-QC RV-8564-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 I2C Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, Leap Year 1V~5.5V HH:MM:SS YY-MM-DD-dd 0.35μA @ 3V
RTC-7301SF:BROHS RTC-7301SF:BROHS EPSON 0.0000
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0.00000000
DS1307Z/T&R DS1307Z/T&R Maxim Integrated 0.0000
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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
RX-4801SA:UB PURE SN RX-4801SA:UB PURE SN EPSON 0.0000
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0.00000000 download RX-4801SA Not For New Designs 1 (Unlimited) 14 ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 4-Wire Serial Surface Mount -40°C~85°C CMOS Clock/Calendar DUAL GULL WING 3V YES 1.27mm R-PDSO-G14 Timer or RTC Not Qualified 3V Alarm 1.6V~5.5V SECONDS Y YES SERIAL, FIXED PROTOCOL 2.1μA~3.4μA @ 3V~5V
ISL12028IBAZ-T ISL12028IBAZ-T Intersil 0.0000
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0.00000000
DS1685SN-5 DS1685SN-5 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 no Obsolete 1 (Unlimited) 24 EAR99 5V 15.4mm Non-RoHS Compliant Contains Lead No 24 24-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 5V DS1685 24 1.27mm Timer or RTC 5V Alarm, NVSRAM, Square Wave Output, Y2K Clock 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS YES 1 YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
RV-8263-C7-32.768KHZ-20PPM-TA-QC RV-8263-C7-32.768KHZ-20PPM-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 0.9V~5.5V HH:MM:SS YY-MM-DD-dd 240nA @ 3V
PT7C4337ACSE PT7C4337ACSE Diodes Incorporated 0.0000
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0.00000000 download 21 Weeks Surface Mount Tube 2014 Active 3 (168 Hours) 16 EAR99 10.31mm ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.49mm Surface Mount -40°C~85°C CMOS 2.64mm Clock/Calendar DUAL NOT SPECIFIED 3.3V NOT SPECIFIED 1.27mm R-PDSO-G16 Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) I2C 1 YY-MM-DD-dd 0.8μA @ 1.3V~1.8V
ISL12027IV27AZ ISL12027IV27AZ Renesas Electronics America 0.0000
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0.00000000 download Tube 2010 Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm 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
M41T93RQA6F M41T93RQA6F 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) 16 EAR99 4mm ROHS3 Compliant Lead Free No 16 16-VQFN Exposed Pad SPI 4mm Surface Mount 57.09594mg -40°C~85°C CMOS 1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed QUAD 260 3V 40 M41T93 16 0.65mm Timers or RTCs 3/5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 8 2.7V~5.5V HH:MM:SS:hh (24 hr) 5MHz 1/100SECOND Y 7 B 1 YY-MM-DD-dd 10μA @ 5.5V 1.8V~5.5V
DS1746-70 DS1746-70 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 32 38.675mm Non-RoHS Compliant 32-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C 9.27mm Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 32 NO 2.54mm R-XDIP-P32 COMMERCIAL Leap Year, NVSRAM, Y2K 128KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 4mA @ 5V
RX-8035SA:AA0:PURESN RX-8035SA:AA0:PURESN EPSON 0.0000
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0.00000000
DS1643-85+ DS1643-85+ Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2010 yes Obsolete 1 (Unlimited) 34 EAR99 5V ROHS3 Compliant No 28 28-DIP Module (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 MATTE TIN DUAL 5V DS1643 34 R-XDMA-U34 Leap Year, NVSRAM Clock 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V
X1288V14Z-2.7T1 X1288V14Z-2.7T1 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 2A (4 Weeks) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED 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
BQ4850YMA-85 BQ4850YMA-85 Texas Instruments 0.0000
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0.00000000 download Through Hole Tray no Obsolete 1 (Unlimited) 32 EAR99 5V 42.8mm ROHS3 Compliant Contains Lead No 32 32-DIP Module (0.61, 15.49mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 9.53mm 8542.39.00.01 Clock/Calendar DUAL 5V BQ4850 32 2.54mm Timer or RTC 5V Alarm Clock 3.9MB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 1mA @ 4.5V~5.5V
MCP795B21T-I/ST MCP795B21T-I/ST Microchip Technology 0.0000
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0.00000000 download Tape & Reel (TR) 2011 Obsolete 1 (Unlimited) 14 EAR99 5mm ROHS3 Compliant 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 YES 0.65mm R-PDSO-G14 Timer or RTC Not Qualified 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer 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
PT7C4337ZEEX PT7C4337ZEEX Diodes Incorporated 0.0000
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0.00000000 download 25 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant 8-WFDFN Exposed Pad I2C, 2-Wire Serial 2mm Surface Mount -40°C~85°C CMOS 0.8mm 8542.39.00.01 Clock/Calendar DUAL 3.3V 0.5mm R-PDSO-N8 Timer or RTC Not Qualified 2/5V Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.8μA @ 1.3V~1.8V
M48T35AV-10MH6F M48T35AV-10MH6F STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Timekeeper® Obsolete 1 (Unlimited) 28 EAR99 3.3V 18.1mm ROHS3 Compliant Lead Free 28 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets Parallel 256 kb 100GHz Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 30mA Clock/Calendar DUAL 260 3.3V 10 M48T35 28 1.27mm Timer or RTC Not Qualified Leap Year 100 ns 32kB 3V~3.6V HH:MM:SS (24 hr) 8b 8b SECONDS N NO YY-MM-DD-dd 2mA @ 3V~3.6V
X1227V8I-4.5A X1227V8I-4.5A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 8 EAR99 85°C -40°C 4.4mm Non-RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial not_compliant 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
RTC-72423B:3:ROHS RTC-72423B:3:ROHS EPSON 0.0000
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0.00000000 Tape & Reel (TR)
X1226S8I X1226S8I Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Bulk 2005 1 8 EAR99 85°C -40°C 4.9022mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 8 INDUSTRIAL 1.27mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
ISL12029IV27Z-T ISL12029IV27Z-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel 2005 Active 1 14 EAR99 85°C -40°C 3.3V 5mm RoHS Compliant Lead Free No 14 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 4.4mm CMOS 1.2mm 8542.39.00.01 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 1 YY-MM-DD-dd
X1227S8IZ X1227S8IZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 1 8 EAR99 85°C -40°C 4.9022mm RoHS Compliant Lead Free SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 8 INDUSTRIAL 1.27mm R-PDSO-G8 4.5V Timer or RTC Not Qualified 5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
RV-3028-C7 32.768KHZ 1PPM TA QC RV-3028-C7 32.768KHZ 1PPM TA QC Micro Crystal 0.0000
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0.00000000 download Tape and Reel RoHS Compliant 8 Clock/Calendar/Alarm/Timer/Battery Backup HH:MM:SS DW:DM:M:Y
DS1340U-18 DS1340U-18 Maxim Integrated 0.0000
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0.00000000 download Tube 2002 yes Obsolete 1 (Unlimited) 8 EAR99 3mm Non-RoHS Compliant Contains Lead 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 1.8V 30 DS1340 8 YES 0.65mm S-PDSO-G8 Timer or RTC Not Qualified 1.8V Leap Year, Trickle-Charger 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
R2051S03-E2-F R2051S03-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
DS1746P-70+ DS1746P-70+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tube 2012 yes Active 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 34 34-PowerCap™ Module Parallel not_compliant 23.495mm Surface Mount 0°C~70°C CMOS 2.3368mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1746 34 YES 1.27mm Timers or RTCs Not Qualified 5V Leap Year, NVSRAM, Y2K 128KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V 3V
Q427242110002RTC-72421B Q427242110002RTC-72421B EPSON 0.0000
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0.00000000 RoHS Compliant 18
X1228V14I-2.7 X1228V14I-2.7 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 1 14 EAR99 85°C -40°C 5mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 14 INDUSTRIAL 0.65mm R-PDSO-G14 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 1 YY-MM-DD-dd
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