Real Time Clock – Mouser Hong Kong

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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: HK$23.02
1,760In 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

1,760In Stock

Cut Tape

HK$23.02

HK$17.10

HK$15.70

HK$14.06

Reel

HK$11.84

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: HK$39.95
924In 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

924In Stock

Cut Tape

HK$39.95

HK$30.33

HK$27.87

HK$24.74

Reel

HK$22.44

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: HK$32.63
610In Stock
1,000Expected 23/10/2026

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 23/10/2026

Cut Tape

HK$32.63

HK$24.66

HK$22.69

HK$20.47

View

Reel

HK$18.50

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: HK$80.39
914In 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

914In Stock

Cut Tape

HK$80.39

HK$62.64

HK$58.12

HK$53.10

Reel

HK$50.47

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: HK$47.02
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

HK$47.02

HK$35.92

HK$33.13

HK$27.70

Reel

HK$25.32

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: HK$23.02
2,062Expected 12/10/2026

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 12/10/2026

Cut Tape

HK$23.02

HK$17.10

HK$15.70

HK$14.06

View

Reel

HK$12.33

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: HK$39.95
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

HK$39.95

HK$30.33

HK$27.95

HK$25.24

View

Reel

HK$21.95

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: HK$67.57
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

HK$67.57

HK$62.55

HK$53.35

Min.: 1
Mult.: 1

RX8900CE

Bulk

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

RX8900CE:UBB
Epson Timing
1: HK$46.20
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

HK$46.20

HK$35.67

HK$30.66

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: HK$13.07
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

HK$13.07

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: HK$80.39
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

HK$80.39

HK$62.64

HK$58.12

HK$53.27

Reel

HK$48.25

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: HK$18.99
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

HK$18.99

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: HK$79.73
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

HK$79.73

HK$62.06

HK$57.62

HK$52.77

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: HK$29.18
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

HK$29.18

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: HK$46.20
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

HK$46.20

HK$35.92

HK$30.66

Min.: 1
Mult.: 1

RX8900CE

Bulk

RX8900CE Real-Time Clock Modules

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