Real Time Clock – Mouser Canada

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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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Part #

Real Time Clock 5+/-23PPM RTC 250TR

RX-8571LC:B3 PURE SN
Epson Timing
1: $10.47
844In Stock

Mfr. Part #
RX-8571LC:B3 PURE SN

Mouser Part #
732-RX-8571LCB3

Epson Timing

Real Time Clock 5+/-23PPM RTC 250TR

Learn More

Datasheet

844In Stock

Cut Tape

$10.47

$8.08

$7.26

$6.72

Reel

$6.15

View

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

Real Time Clock RX-8571LC:B0 PURE SN 5+/-23PPM REAL TIME CLOCK

RX-8571LCB0 PURE SN
Epson Timing
1: $5.17
544In Stock

Mfr. Part #
RX-8571LCB0 PURE SN

Mouser Part #
732-RX8571LCB0PURESN

Epson Timing

Real Time Clock RX-8571LC:B0 PURE SN 5+/-23PPM REAL TIME CLOCK

Learn More

Datasheet

544In Stock

Cut Tape

$5.17

$3.90

$3.59

$3.23

Reel

$2.55

View

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

Real Time Clock 3.0Volt -40 to 85C I2C BUS

RX-8035SA:B3 PURE SN
Epson Timing
1: $10.37
216In Stock
250Expected 2026-12-15

Mfr. Part #
RX-8035SA:B3 PURE SN

Mouser Part #
732-RX-8035SA:B3

Epson Timing

Real Time Clock 3.0Volt -40 to 85C I2C BUS

Datasheet

216In Stock

250Expected 2026-12-15

Cut Tape

$10.37

$7.96

$7.36

$6.71

Reel

$6.38

View

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

Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250TR

RX-8803SA:UB3 PURE SN
Epson Timing
1: $6.60
1In Stock
1,000Expected 2026-08-17

Mfr. Part #
RX-8803SA:UB3 PURE SN

Mouser Part #
732-RX-8803SAUB3

Epson Timing

Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250TR

Datasheet

1In Stock

1,000Expected 2026-08-17

Cut Tape

$6.60

$4.97

$4.56

$4.12

Reel

$4.05

View

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

Real Time Clock 5+/-23PPM REAL TIME CLOCK 1K TR

RX-8571SA:B0 PURE SN
Epson Timing
1: $4.49
212In Stock

Mfr. Part #
RX-8571SA:B0 PURE SN

Mouser Part #
732-RX8571SAB0PURESN

Epson Timing

Real Time Clock 5+/-23PPM REAL TIME CLOCK 1K TR

Learn More

Datasheet

212In Stock

Cut Tape

$4.49

$3.46

$3.18

$2.89

Reel

$2.52

View

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

Real Time Clock 3.0Volt -40 to 85C I2C BUS

RX-8035SA:AA3
Epson Timing
1: $5.77
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX-8035SA:AA3

Mouser Part #
732-RX-8035SA:AA3

Epson Timing

Real Time Clock 3.0Volt -40 to 85C I2C BUS

Datasheet

Non-Stocked Lead-Time 20 Weeks

Cut Tape

$5.77

$4.31

$3.95

$3.74

Reel

$3.17

View

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

Real Time Clock i2C Bus -40C +85C 5 +/-23ppm 14 PIN

RX-8571SA:B3 PURE SN
Epson Timing
1: $9.69
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX-8571SA:B3 PURE SN

Mouser Part #
732-RX-8571SA:B3S

Epson Timing

Real Time Clock i2C Bus -40C +85C 5 +/-23ppm 14 PIN

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Cut Tape

$9.69

$7.44

$6.88

$6.26

Reel

$5.89

View

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

Real Time Clock RX-8571NB:B0 PURE SN 5+/-23PPM REAL TIME CLOCK 1K TR

RX-8571NBB0 PURE SN
Epson Timing
1,000: $2.59
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX-8571NBB0 PURE SN

Mouser Part #
732-RX8571NBB0PURESN

Epson Timing

Real Time Clock RX-8571NB:B0 PURE SN 5+/-23PPM REAL TIME CLOCK 1K TR

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$2.59

$2.51

$2.46

Min.: 1,000
Mult.: 1,000

: 1,000

RX-8571LC

Reel

Real Time Clock RX-8803LC:UC0 PURE SN I2C-BUS RTC +/-5.0PPM-30 70C 1K T/R

RX-8803LCUC0 PURE SN
Epson Timing
1,000: $4.52
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX-8803LCUC0 PURE SN

Mouser Part #
732-RX8803LCUC0PUREN

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

Reel

$4.52

$4.22

Min.: 1,000
Mult.: 1,000

: 1,000

RX-8571SA

Reel

Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 250 T/R

RX-8803SA:UA3 PURE SN
Epson Timing
250: $10.81
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX-8803SA:UA3 PURE SN

Mouser Part #
732-X8803SAUA3PURESN

Epson Timing

Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 250 T/R

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

$10.81

$10.63

$10.53

Quote

Min.: 250
Mult.: 250

: 250

RX-8803SA

Reel

Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250 T/R

RX-8803SA:UC3 PURE SN
Epson Timing
250: $7.44
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX-8803SA:UC3 PURE SN

Mouser Part #
732-X8803SAUC3PURESN

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

Reel

$7.44

$7.36

$7.29

Quote

Min.: 250
Mult.: 250

: 250

RX-8803SA

Reel

Real Time Clock 5+/-23PPM RTC BULK - CUT TAPE

RX-8571LC:B PURE SN
Epson Timing
1: $8.97
Non-Stocked Lead-Time 26 Weeks

Mfr. Part #
RX-8571LC:B PURE SN

Mouser Part #
732-RX8571LC:BPURESN

Epson Timing

Real Time Clock 5+/-23PPM RTC BULK - CUT TAPE

Learn More

Datasheet

Non-Stocked Lead-Time 26 Weeks

$8.97

$8.22

$6.91

Min.: 1
Mult.: 1

RX-8571LC

Bulk

Real Time Clock RTC +/-3.4PPM-40 85C 250 T/R

RX-4803SA:UA3 PURE SN
Epson Timing
250: $11.58
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
RX-4803SA:UA3 PURE SN

Mouser Part #
732-X4803SAUA3PURESN

Epson Timing

Real Time Clock RTC +/-3.4PPM-40 85C 250 T/R

Datasheet

Non-Stocked Lead-Time 17 Weeks

Reel

$11.58

$11.19

$11.06

Quote

Min.: 250
Mult.: 250

: 250

RX-4803SA

Reel

Real Time Clock RTC +/-5.0PPM-40 85C 250 T/R

RX-4803SA:UB3 PURE SN
Epson Timing
250: $7.46
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX-4803SA:UB3 PURE SN

Mouser Part #
732-X4803SAUB3PURESN

Epson Timing

Real Time Clock RTC +/-5.0PPM-40 85C 250 T/R

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

$7.46

$7.39

$7.30

Quote

Min.: 250
Mult.: 250

: 250

RX-4803SA

Reel

Real Time Clock REAL TIME CLOCK 0+/-5PPM 250TR

RX-8035SA:AC3 PURE SN
Epson Timing
250: $7.01
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX-8035SA:AC3 PURE SN

Mouser Part #
732-X8035SAAC3PURESN

Epson Timing

Real Time Clock REAL TIME CLOCK 0+/-5PPM 250TR

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

$7.01

$6.83

$6.35

$6.34

Quote

Min.: 250
Mult.: 250

: 250

RX-8035SA

Reel

RX-8571SA/LC Real-Time Clock Modules

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