Real Time Clock – Mouser Liechtenstein

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

RX8900CE:UB0
Epson Timing
1: CHF 2.24
1’744In Stock

Mfr. Part No.
RX8900CE:UB0

Mouser Part No
732-RX8900CE:UB0

Epson Timing

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

Learn More

Datasheet

1’744In Stock

Cut Tape

CHF 2.24

CHF 1.67

CHF 1.53

CHF 1.37

Reel

CHF 1.14

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

RX8900SA UA0 PURE SN
Epson Timing
1: CHF 3.85
952In Stock

Mfr. Part No.
RX8900SA UA0 PURE SN

Mouser Part No
732-RX8900SAUA0SN

Epson Timing

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

Learn More

Datasheet

952In Stock

Cut Tape

CHF 3.85

CHF 2.92

CHF 2.69

CHF 2.39

Reel

CHF 2.17

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 UA0
Epson Timing
1: CHF 3.14
610In Stock
1’000Expected 10/23/2026

Mfr. Part No.
RX8900CE UA0

Mouser Part No
732-RX8900CEUA0

Epson Timing

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

Learn More

Datasheet

610In Stock

1’000Expected 10/23/2026

Cut Tape

CHF 3.14

CHF 2.38

CHF 2.19

CHF 1.97

CHF 1.89

Reel

CHF 1.89

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: CHF 7.75
949In Stock

Mfr. Part No.
RX8900CE UA3

Mouser Part No
732-RX8900CEUA3

Epson Timing

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

Learn More

Datasheet

Product Comments

949In Stock

Cut Tape

CHF 7.75

CHF 6.04

CHF 5.61

CHF 5.13

Reel

CHF 4.87

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 32.768kHz +/-5ppm -40C +85C

RX8900CE:UB3
Epson Timing
1: CHF 4.54
172In Stock

Mfr. Part No.
RX8900CE:UB3

Mouser Part No
732-RX8900CE:UB3

Epson Timing

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

Learn More

Datasheet

172In Stock

Cut Tape

CHF 4.54

CHF 3.47

CHF 3.20

CHF 2.67

Reel

CHF 2.44

View

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: CHF 2.24
2’062Expected 10/12/2026

Mfr. Part No.
RX8900CE:UB6

Mouser Part No
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 10/12/2026

Cut Tape

CHF 2.24

CHF 1.67

CHF 1.53

CHF 1.37

View

Reel

CHF 1.19

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

RX8900SA:UA0 PURE SN
Epson Timing
1: CHF 3.85
Non-Stocked Lead-Time 30 Weeks
New At Mouser

Mfr. Part No.
RX8900SA:UA0 PURE SN

Mouser Part No
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

CHF 3.85

CHF 2.92

CHF 2.69

CHF 2.43

View

Reel

CHF 2.12

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: CHF 6.52
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8900CE:UAB

Mouser Part No
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

CHF 6.52

CHF 6.03

CHF 5.14

Min.: 1
Mult.: 1

RX8900CE

Bulk

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

RX8900CE:UBB
Epson Timing
1: CHF 4.45
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8900CE:UBB

Mouser Part No
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

CHF 4.45

CHF 3.47

CHF 2.96

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: CHF 1.26
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8900CEUC0

Mouser Part No
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

CHF 1.26

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: CHF 7.75
Non-Stocked Lead-Time 30 Weeks
New At Mouser

Mfr. Part No.
RX8900CE:UA3

Mouser Part No
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

CHF 7.75

CHF 6.03

CHF 5.61

CHF 5.14

Reel

CHF 4.65

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: CHF 1.83
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8900CEUA6

Mouser Part No
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

CHF 1.83

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: CHF 7.69
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
RX8900CEUAX

Mouser Part No
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

CHF 7.69

CHF 5.98

CHF 5.56

CHF 5.09

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: CHF 2.81
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8900CEUC3

Mouser Part No
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

CHF 2.81

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: CHF 4.45
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8900CEUCB

Mouser Part No
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

CHF 4.45

CHF 3.47

CHF 2.96

Min.: 1
Mult.: 1

RX8900CE

Bulk

RX8900CE Real-Time Clock Modules

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