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 (TWD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model RTC Bus Interface
Date Format
Time Format
RTC Memory Size
Package / Case
Battery Backup Switching
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
Series
Mounting Style
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) 16 B 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
544In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 16 B 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
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
1,500Expected 8/17/2026
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) 16 B 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 Lead-Time 20 Weeks
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) 16 B 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