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RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations Termination 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 Operating Supply Current Height Seated (Max) HTS Code 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) Max Power Dissipation Number of Outputs Feature Number of Voltages Monitored Supplier Device Package Number of Terminals Source Url Status Check Date 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
RTC-72423B3:PURE SN RTC-72423B3:PURE SN EPSON 0.0000
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0.00000000 download 16 Weeks Tape & Reel (TR) RTC-72423 Active 1 (Unlimited) ROHS3 Compliant 24-SOIC (0.311, 7.90mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Leap Year 24-SOP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
RX-8803LC:UA PURE SN RX-8803LC:UA PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks RX-8803LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 1.6V~5.5V HH:MM:SS YY-MM-DD 2.1μA~3.4μA @ 3V~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
RX-8025SA:AA3:PURE SN RX-8025SA:AA3:PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RX-8025SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.209, 5.30mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
RX-4045NB:AAB RX-4045NB:AAB EPSON 0.0000
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0.00000000 download 13 Weeks RX-4045NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN 4-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm 1.7V~5.5V HH:MM:SS YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
PCF2127T/1,512 PCF2127T/1,512 NXP Semiconductors 0.0000
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0.00000000
M48T212V-85MH1E M48T212V-85MH1E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 3 (168 Hours) 44 EAR99 3.3V ROHS3 Compliant 44 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT Parallel 85GHz 8.56mm Surface Mount 0°C~70°C CMOS 10mA 3.05mm Clock/Calendar DUAL 260 3.3V 10 M48T212 44 Timer or RTC Not Qualified 1W Alarm, Leap Year, Watchdog Timer, Y2K 1 85 ns 3V~3.6V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 2mA @ 3V~3.6V 3V
RX-4801JE:UB RX-4801JE:UB EPSON 0.0000
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0.00000000 download Surface Mount Bulk Obsolete 1 (Unlimited) 85°C -40°C RoHS Compliant 20 20-LSSOJ (0.213, 5.40mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 20-VSOJ 16B 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 2.1μA~3.4μA @ 3V~5V
AM1815AQ AM1815AQ Ambiq Micro, Inc. 0.0000
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0.00000000 download Tape & Reel (TR) Discontinued 3 (168 Hours) RoHS Compliant 16-VFQFN Exposed Pad SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, RAM, Supervisor, Trickle Charger, Unique ID, Watchdog Timer 16-QFN (3x3) 256B 1.5V~3.6V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1.4V~3.6V
BQ3285ESG4 BQ3285ESG4 Texas Instruments 0.0000
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0.00000000 Surface Mount yes 1 24 EAR99 70°C 0°C 5V 15.4mm RoHS Compliant Contains Lead No 24 SOIC Parallel 5.5V 4.5V 7.5mm 624.398247mg CMOS 2.65mm 8542.39.00.01 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 24 COMMERCIAL 1.27mm Timer or RTC 5V Clock 242B HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd
ISL12025IVZ-T ISL12025IVZ-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12025 Alarm, Leap Year, Supervisor, Unique ID, 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
BQ3285LDSSG4 BQ3285LDSSG4 Texas Instruments 0.0000
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0.00000000 download Surface Mount Tube no Obsolete 2 (1 Year) 24 EAR99 3V 8.75mm ROHS3 Compliant Contains Lead No 24 24-SSOP (0.154, 3.90mm Width) Parallel 1.5mm 4mm Surface Mount 129.500622mg 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 3V BQ3285 24 0.635mm Timer or RTC 3V Alarm, Daylight Savings, NVSRAM Clock 242B 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES YY-MM-DD-dd 100μA @ 3V 2.4V~4V
PCF2123BS/1,118 PCF2123BS/1,118 NXP Semiconductors / Freescale 0.0000
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0.00000000 download Tape & Reel 1 16 85°C -40°C 3mm RoHS Compliant No 16 3mm CMOS 1mm e3 MATTE TIN QUAD 225 2V 16 INDUSTRIAL YES 0.5mm 1.1V Timer or RTC 1.1/5.5V 5.5V 2013-06-14 00:00:00 Clock 8 HH:MM:SS 0.032MHz SECONDS Y YES SERIAL, 3-WIRE 1
DS1554-70+ DS1554-70+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Through Hole Tube 2003 yes Active 1 (Unlimited) 32 EAR99 5V 43.69mm ROHS3 Compliant Lead Free Tin No 32 32-DIP Module (0.600, 15.24mm) Parallel Unknown 9.4mm 18.8mm Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 DUAL 5V DS1554 32 2.54mm Timer or RTC 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 32KB 4.5V~5.5V HH:MM:SS (24 hr) SECONDS Y NO YY-MM-DD-dd 6mA @ 5V
RX-4803SA:UB3 PURE SN RX-4803SA:UB3 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-4803SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 2.1μA~3.4μA @ 3V~5V
CDP68HC68T1M2Z96 CDP68HC68T1M2Z96 Renesas Electronics America 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 3 (168 Hours) EAR99 ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) SPI Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed CDP68HC68T1 16 Alarm, Leap Year, Square Wave Output, Watchdog Timer 32B 3V~6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 20μA~500μA @ 5V 2.2V~6V
RTC62421B RTC62421B Seiko 0.0000
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0.00000000
X1227S8T1 X1227S8T1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2005 1 (Unlimited) 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 4.5V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
RV5C348A-E2-F RV5C348A-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 10-LFSOP, 10-MSOP (0.110, 2.80mm Width) 4-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 10-SSOP-G Clock 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1μA @ 3V
X1228S14Z-2.7T1 X1228S14Z-2.7T1 Intersil Corporation 0.0000
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0.00000000 3 EAR99 8.6614mm RoHS Compliant compliant 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 14 COMMERCIAL YES 1.27mm R-PDSO-G14 2.7V 70°C Timer or RTC Not Qualified 3/5V 5.5V 14 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1
MCP7940NT-I/ST MCP7940NT-I/ST Microchip Technology 0.0000
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0.00000000 download 5 Weeks Surface Mount Tape & Reel (TR) 2011 Automotive, AEC-Q100 Active 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant No 8 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm 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 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.5V~5.5V
PCF8593N PCF8593N NXP Semiconductors 0.0000
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0.00000000
RV-3029-C2-32.768KHZ-OPTION-A-TA-QC RV-3029-C2-32.768KHZ-OPTION-A-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, 2-Wire Serial Surface Mount -40°C~85°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
RV-3029-C2OPTIONB RV-3029-C2OPTIONB Micro Crystal 0.0000
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0.00000000 Cut Tape SMD/SMT 85°C -40°C RoHS Compliant 10 SMD/SMT I2C, Serial 5.5V No SVHC 1.3V 2
MCP7940NT-I/SN MCP7940NT-I/SN Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2012 Automotive, AEC-Q100 Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant 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) - annealed DUAL 260 2.5V 40 MCP7940N 8 1.27mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
RV-3029-C2-32.768KHZ-OPTION-B-TA-QC RV-3029-C2-32.768KHZ-OPTION-B-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, 2-Wire Serial Surface Mount -40°C~85°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
RA-8565SA:B PURE SN RA-8565SA:B PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RA-8565SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C Surface Mount -40°C~125°C Clock/Calendar Alarm 14-SOP 1.8V~5.5V HH:MM:SS YY-MM-DD-dd 1μA~1.8μA @ 3V~5V
DS1251WP-120+ DS1251WP-120+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2011 yes Active 3 (168 Hours) 34 3A991.B.2.A 24.384mm ROHS3 Compliant Lead Free USE DS9034PCX TO ORDER POWERCAP 34-PowerCap™ Module Parallel not_compliant 23.495mm Surface Mount 0°C~70°C CMOS 6.858mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1251 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM 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
X1288S16-2.7T1 X1288S16-2.7T1 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm 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
DS1338Z-18+T&R DS1338Z-18+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2013 Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar DS1338 Leap Year, NVSRAM, Square Wave Output 8-SOIC 56B 1.71V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 100μA @ 1.89V 1.3V~3.7V
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