Real Time Clock – Mouser Canada

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RX8900CE Real-Time Clock Modules

Epson Timing RX8900CE Real-Time Clock Modules offer a 2.5V to 5.5V interface voltage range and I²C-Bus interface type. RX8900CE modules feature a built-in, frequency-adjusted 32.7kHz crystal unit and DTCXO and multiple functions, including an auto power switch, clock output, wakeup timer, alarm, and temperature sensing. Epson Timing RX8900CE Real-Time Clock Modules operate in a -40°C to +85°C temperature range.

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Part #

Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus

RX8900SA UA0 PURE SN
Epson Timing
1: $7.04
919In Stock

Mfr. Part #
RX8900SA UA0 PURE SN

Mouser Part #
732-RX8900SAUA0SN

Epson Timing

Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus

Learn More

Datasheet

919In Stock

Cut Tape

$7.04

$5.31

$4.88

$4.41

Reel

$3.89

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

Backup Switching

2.5 V

5.5 V

- 40 C

+ 85 C

RX8900CE

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus

RX8900CE UA3
Epson Timing
1: $14.08
1,019In Stock

Mfr. Part #
RX8900CE UA3

Mouser Part #
732-RX8900CEUA3

Epson Timing

Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus

Learn More

Datasheet

1,019In Stock

Cut Tape

$14.08

$10.97

$10.18

$9.88

Reel

$8.40

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

Backup Switching

2.5 V

5.5 V

- 40 C

+ 85 C

RX8900CE

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C 10 PIN 1K T/R

RX8900CE:UB0
Epson Timing
1: $4.18
1,255In Stock

Mfr. Part #
RX8900CE:UB0

Mouser Part #
732-RX8900CE:UB0

Epson Timing

Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C 10 PIN 1K T/R

Learn More

Datasheet

1,255In Stock

Cut Tape

$4.18

$3.11

$2.85

$2.56

Reel

$2.26

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

Backup Switching

2.5 V

5.5 V

- 40 C

+ 85 C

RX8900CE

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz +/-5ppm -40C +85C

RX8900CE:UB3
Epson Timing
1: $8.40
38In Stock

Mfr. Part #
RX8900CE:UB3

Mouser Part #
732-RX8900CE:UB3

Epson Timing

Real Time Clock 32.768kHz +/-5ppm -40C +85C

Learn More

Datasheet

38In Stock

Cut Tape

$8.40

$6.42

$6.05

$5.39

Reel

$5.13

MouseReel Available

Min.: 1
Mult.: 1

: 250

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

Backup Switching

2.5 V

5.5 V

- 40 C

+ 85 C

RX8900CE

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C 10 PIN 2K T/R

RX8900CE:UB6
Epson Timing
1: $4.09
2,062Expected 2026-10-09

Mfr. Part #
RX8900CE:UB6

Mouser Part #
732-RX8900CE:UB6

Epson Timing

Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C 10 PIN 2K T/R

Learn More

Datasheet

2,062Expected 2026-10-09

Cut Tape

$4.09

$3.05

$2.79

$2.51

View

Reel

$2.16

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

Backup Switching

2.5 V

5.5 V

- 40 C

+ 85 C

RX8900CE

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus

RX8900CE UA0
Epson Timing
1: $5.72
886Expected 2026-10-23

Mfr. Part #
RX8900CE UA0

Mouser Part #
732-RX8900CEUA0

Epson Timing

Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus

Learn More

Datasheet

886Expected 2026-10-23

Cut Tape

$5.72

$4.32

$3.97

$3.59

View

Reel

$3.24

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

Backup Switching

2.5 V

5.5 V

- 40 C

+ 85 C

RX8900CE

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C SOP-14 PIN 1K T/R

RX8900SA:UA0 PURE SN
Epson Timing
1: $7.00
Non-Stocked Lead-Time 30 Weeks
New At Mouser

Mfr. Part #
RX8900SA:UA0 PURE SN

Mouser Part #
732-RX8900AUA0PUREN

New At Mouser

Epson Timing

Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C SOP-14 PIN 1K T/R

Datasheet

Non-Stocked Lead-Time 30 Weeks

Cut Tape

$7.00

$5.31

$4.90

$4.42

View

Reel

$3.84

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

RX8900CE

Reel, Cut Tape, MouseReel

Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 10 PIN BULK

RX8900CE:UAB
Epson Timing
1: $12.59
Non-Stocked Lead-Time 30 Weeks

Mfr. Part #
RX8900CE:UAB

Mouser Part #
732-RX8900CE:UAB

Epson Timing

Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 10 PIN BULK

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

$12.59

$10.94

$9.53

$9.35

Min.: 1
Mult.: 1

RX8900CE

Bulk

Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C 10 PIN BULK

RX8900CE:UBB
Epson Timing
1: $8.09
Non-Stocked Lead-Time 30 Weeks

Mfr. Part #
RX8900CE:UBB

Mouser Part #
732-RX8900CE:UBB

Epson Timing

Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C 10 PIN BULK

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

$8.09

$6.25

$5.37

Min.: 1
Mult.: 1

RX8900CE

Bulk

Real Time Clock RX8900CE:UC0 I2C-BUS RTC +/-5.0PPM-30 70C 10 PIN 1K T/R

RX8900CEUC0
Epson Timing
1,000: $2.29
Non-Stocked Lead-Time 30 Weeks

Mfr. Part #
RX8900CEUC0

Mouser Part #
732-RX8900CEUC0

Epson Timing

Real Time Clock RX8900CE:UC0 I2C-BUS RTC +/-5.0PPM-30 70C 10 PIN 1K T/R

Datasheet

Non-Stocked Lead-Time 30 Weeks

Reel

$2.29

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

: 1,000

RX8900CE

Reel

Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 10 PIN 250TR

RX8900CE:UA3
Epson Timing
1: $14.08
Non-Stocked Lead-Time 30 Weeks
New At Mouser

Mfr. Part #
RX8900CE:UA3

Mouser Part #
732-X8900CEUA3

New At Mouser

Epson Timing

Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 10 PIN 250TR

Datasheet

Non-Stocked Lead-Time 30 Weeks

Cut Tape

$14.08

$10.97

$9.75

$9.06

Reel

$8.41

MouseReel Available

Min.: 1
Mult.: 1

: 250

RX8900CE

Reel, Cut Tape, MouseReel

Real Time Clock RX8900CE:UA6 I2C-BUS RTC +/-3.4PPM-40 85C 10 PIN 2K TR

RX8900CEUA6
Epson Timing
2,000: $3.33
Non-Stocked Lead-Time 30 Weeks

Mfr. Part #
RX8900CEUA6

Mouser Part #
732-RX8900CEUA6

Epson Timing

Real Time Clock RX8900CE:UA6 I2C-BUS RTC +/-3.4PPM-40 85C 10 PIN 2K TR

Datasheet

Non-Stocked Lead-Time 30 Weeks

Reel

$3.33

Min.: 2,000
Mult.: 2,000

: 2,000

RX8900CE

Reel

Real Time Clock RX8900CE:UAX I2C-BUS RTC +/-3.4PPM-40 85C 10 PIN ANY T/R

RX8900CEUAX
Epson Timing
1: $13.97
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
RX8900CEUAX

Mouser Part #
732-RX8900CEUAX

Epson Timing

Real Time Clock RX8900CE:UAX I2C-BUS RTC +/-3.4PPM-40 85C 10 PIN ANY T/R

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

Cut Tape

$13.97

$10.87

$10.09

$9.24

View

Min.: 1
Mult.: 1

Backup Switching

2.5 V

5.5 V

- 40 C

+ 85 C

RX8900CE

SMD/SMT

Reel

Real Time Clock RX8900CE:UC3 I2C-BUS RTC +/-5.0PPM-30 70C 10 PIN 250 T/R

RX8900CEUC3
Epson Timing
250: $5.11
Non-Stocked Lead-Time 30 Weeks

Mfr. Part #
RX8900CEUC3

Mouser Part #
732-RX8900CEUC3

Epson Timing

Real Time Clock RX8900CE:UC3 I2C-BUS RTC +/-5.0PPM-30 70C 10 PIN 250 T/R

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

Reel

$5.11

Min.: 250
Mult.: 250

: 250

RX8900CE

Reel

Real Time Clock RX8900CE:UCB I2C-BUS RTC +/-5.0PPM-30 70C BULK-CUT TAPE

RX8900CEUCB
Epson Timing
1: $8.09
Non-Stocked Lead-Time 30 Weeks

Mfr. Part #
RX8900CEUCB

Mouser Part #
732-RX8900CEUCB

Epson Timing

Real Time Clock RX8900CE:UCB I2C-BUS RTC +/-5.0PPM-30 70C BULK-CUT TAPE

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

$8.09

$6.29

$5.37

Min.: 1
Mult.: 1

RX8900CE

Bulk

RX8900CE Real-Time Clock Modules

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