RX-8571SA/LC Real-Time Clock Modules

Epson Timing RX-8571SA/LC Real-Time Clock Modules offer a 1.6V to 5.5V operating voltage range and 220nA typical backup current. RX-8571SA/LA modules feature a built-in frequency adjusted 32.7kHz crystal unit, I2C-Bus interface, and 128-bit user RAM. These modules have numerous functions, including timers, alarms, and full calendar. Epson Timing RX-8571SA/LC Real-Time Clock Modules operate in the -40°C to +85°C temperature range.

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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model RTC Bus Interface
Date Format
Time Format
Package / Case
Battery Backup Switching
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
Series
Mounting Style
Time Keeping Current
Packaging
Epson Timing Real Time Clock 5+/-23PPM RTC 250TR
Datasheet
844In Stock
Min.: 1
Mult.: 1
: 250
I2C YY-MM-DD-dd HH:MM:SS (24 hr) VSOJ-12 No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-8571LC SMD/SMT Reel, Cut Tape

Epson Timing Real Time Clock RX-8571LC:B0 PURE SN 5+/-23PPM REAL TIME CLOCK
Datasheet
524In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-8571LC SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock 3.0Volt -40 to 85C I2C BUS
Datasheet
216In Stock
250Expected 2/3/2027
MouseReel Available
Min.: 1
Mult.: 1
: 250

I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOP-14 Backup Switching 2.4 V 5.5 V - 40 C + 85 C RX-8035SA SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250TR
Datasheet
501In Stock
500Expected 10/1/2026
Min.: 1
Mult.: 1
: 250

I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOP-14 No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-8803SA SMD/SMT Reel, Cut Tape


Epson Timing Real Time Clock 5+/-23PPM REAL TIME CLOCK 1K TR
Datasheet
212In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-8571SA SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock 3.0Volt -40 to 85C I2C BUS
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
: 250

I2C SOP-14 2.4 V 5.5 V - 40 C + 85 C RX-8035SA SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock i2C Bus -40C +85C 5 +/-23ppm 14 PIN
Datasheet
Non-Stocked Lead-Time 16 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 250

I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOP-14 No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-8571SA SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock RX-8571NB:B0 PURE SN 5+/-23PPM REAL TIME CLOCK 1K TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000
RX-8571LC Reel
Epson Timing Real Time Clock RX-8803LC:UC0 PURE SN I2C-BUS RTC +/-5.0PPM-30 70C 1K T/R
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000
RX-8571SA Reel
Epson Timing Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 250 T/R
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 250
Mult.: 250
: 250
RX-8803SA Reel
Epson Timing Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250 T/R
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 250
Mult.: 250
: 250
RX-8803SA Reel
Epson Timing RX-8571LC:B PURE SN
Epson Timing Real Time Clock 5+/-23PPM RTC BULK - CUT TAPE
Datasheet
Non-Stocked Lead-Time 26 Weeks
Min.: 1
Mult.: 1
RX-8571LC Bulk
Epson Timing RX-4803SA:UA3 PURE SN
Epson Timing Real Time Clock RTC +/-3.4PPM-40 85C 250 T/R
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 250
Mult.: 250
: 250
RX-4803SA Reel
Epson Timing RX-4803SA:UB3 PURE SN
Epson Timing Real Time Clock RTC +/-5.0PPM-40 85C 250 T/R
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 250
Mult.: 250
: 250
RX-4803SA Reel
Epson Timing RX-8035SA:AC3 PURE SN
Epson Timing Real Time Clock REAL TIME CLOCK 0+/-5PPM 250TR
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 250
Mult.: 250
: 250
RX-8035SA Reel