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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 Operating Temperature Technology Height Seated (Max) HTS Code 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Supplier Device Package Logic Function Memory Size Function 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
ISL12032IVZ-T ISL12032IVZ-T Renesas Electronics America 0.0000
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0.00000000 download Cut Tape (CT) Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder ISL12032 Alarm, SRAM, Trickle-Charger 128B 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 18μA @ 5.5V 1.8V~5.5V
DS1251WP-120+C02 DS1251WP-120+C02 Maxim Integrated 0.0000
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0.00000000 download Tube 2013 Active 1 (Unlimited) 3.3V ROHS3 Compliant No 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C Phantom Time Chip DS1251 Leap Year, NVSRAM Clock 512KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 7mA @ 3.3V 3V
R2051L02-E2 R2051L02-E2 Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant
ISL12027IV27Z-T ISL12027IV27Z-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 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
ISL12058IRTZ-T ISL12058IRTZ-T Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) Active 1 (Unlimited) EAR99 ROHS3 Compliant 8-WDFN Exposed Pad I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED ISL12058 8 Alarm, Leap Year 1.8V~3.6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.65μA @ 1.8V
RX-8581JE:B0 I2C-BUS RX-8581JE:B0 I2C-BUS EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8581JE Active 1 (Unlimited) ROHS3 Compliant 20-LSSOJ (0.213, 5.40mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 1.8V~5.5V 0.8μA~1.2μA @ 3V~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
DS1673E-3 DS1673E-3 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 20 6.5mm Non-RoHS Compliant 3-CHANNEL, 8-BIT ADC 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial unknown 4.4mm Surface Mount 0°C~70°C MOS 1.1mm Portable System Controller e0 TIN LEAD DUAL 240 3V 20 20 YES 0.65mm R-PDSO-G20 COMMERCIAL Alarm, Leap Year, Watchdog Timer 2.7V~3.3V HH:MM:SS (12/24 hr) 1 0.032MHz SERIAL, 3-WIRE YY-MM-DD-dd 100μA @ 3V 2.5V~3.7V
RX-8581NB:B PURE SN RX-8581NB:B PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX-8581NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 22-SON (6.3x4.8) 1.8V~5.5V 0.8μA~1.2μA @ 3V~5V
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
RX-8581JE:B I2C-BUS RX-8581JE:B I2C-BUS EPSON 0.0000
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0.00000000 download 13 Weeks RX-8581JE Active 1 (Unlimited) ROHS3 Compliant 20-LSSOJ (0.213, 5.40mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 1.8V~5.5V 0.8μA~1.2μA @ 3V~5V
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
ISL12027IVAZ-T ISL12027IVAZ-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 ISL12027 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
RTC-72421B RTC-72421B Toyocom 0.0000
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0.00000000 download Through Hole Bulk 2010 Through Hole 70°C -10°C 23.1mm RoHS Compliant Contains Lead 18 DIP Parallel 5.5V Unknown 4.5V 1MHz 4.2mm 6.3mm 5 8 HH:MM:SS (12/24 hr) YY-MM-DD-dd
RV-8063-C7-32.768KHZ-20PPM-TA-QC RV-8063-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 SPI, 3-Wire Serial 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
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
DS1688 DS1688 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 no Obsolete 1 (Unlimited) 28 EAR99 36.83mm Non-RoHS Compliant Contains Lead 28 CAN ALSO OPERATE AT 5V 28-DIP (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 5.08mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 5V NOT SPECIFIED DS1688 28 2.54mm Timer or RTC Not Qualified 3/5V Alarm, Leap Year, Square Wave Output, Unique ID Clock 114B 16 2.7V~3.3V 4.5V~5.5V HH:MM:SS (12/24 hr) 8 SECONDS Y YES 1 YY-MM-DD
R2025S-E2-FE R2025S-E2-FE RICOH Electronic Devices Co., LTD. 4.5481
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0.00000000 9 Weeks Cut Tape (CT) Active 1 (Unlimited) RoHS Compliant 14-SOIC (0.197, 5.00mm 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 120μA~1.8μA @ 3V~5V
RS5C348A-E2-FB RS5C348A-E2-FB Ricoh Electronic Devices Company 0.0000
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0.00000000 download Tape and Reel RoHS Compliant 10 Clock/Calendar/Alarm/Timer/Interrupt/Battery Backup HH:MM:SS DW:DM:M:Y
X1227S8-2.7A X1227S8-2.7A 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 0°C~70°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
X1227V8-2.7A X1227V8-2.7A Intersil 0.0000
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0.00000000
X1286V14I X1286V14I 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 -40°C~85°C Clock/Calendar X1286 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
X1288V14I-2.7 X1288V14I-2.7 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 -40°C~85°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
RTC62421B RTC62421B Seiko 0.0000
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0.00000000
X1288V14I-4.5A X1288V14I-4.5A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 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 5V 14 INDUSTRIAL 0.65mm R-PDSO-G14 4.5V Timer or RTC Not Qualified 5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd
ISL1209IU10 ISL1209IU10 Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder ISL1209 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
DS1747-70 DS1747-70 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 yes Obsolete 1 (Unlimited) 32 EAR99 5V 44.2mm Non-RoHS Compliant Contains Lead No 32 32-DIP Module (0.600, 15.24mm) Parallel Unknown 10.92mm 18.8mm Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V DS1747 32 2.54mm Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 512KB 4.5V~5.5V HH:MM:SS (24 hr) SECONDS N NO YY-MM-DD-dd 4mA @ 5V
DS1501WSN/T&R DS1501WSN/T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2012 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 28-SOIC (0.295, 7.50mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar DS1501 Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 28-SOIC 256B 3V~3.6V HH:MM:SS (24 hr) YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
M48T35Y-70PC1XXXXXXX M48T35Y-70PC1XXXXXXX STMicroelectronics 0.0000
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0.00000000 download Tube Active RoHS Compliant 28 Clock/Calendar/NV Timekeeping RAM/Watchdog Timer/Battery Backup HH:MM:SS DW:DM:M:Y
DS1746W-120 DS1746W-120 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 yes Obsolete 1 (Unlimited) 32 EAR99 3.3V 44.2mm Non-RoHS Compliant Contains Lead Tin No 32 32-DIP Module (0.600, 15.24mm) Parallel Unknown 10.92mm 18.8mm Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 DUAL 3.3V DS1746 32 2.54mm Timers or RTCs Leap Year, NVSRAM, Y2K Clock 128KB 2.97V~3.63V HH:MM:SS (24 hr) SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V
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