.hide-partial { max-height: none; } .show-more { display: none; }

RX4901CE Series Real Time Clock

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 28

Applied Filters:

Series = RX4901CE

RTC Bus Interface

Date Format

Time Format

RTC Memory Size

Battery Backup Switching

Supply Voltage - Min

Supply Voltage - Max

Minimum Operating Temperature

Maximum Operating Temperature

Mounting Style

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Real Time Clock RX4901CEXS A0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR

RX4901CE XS A06
Epson Timing
1: $5.76
1,993In Stock

Mfr. Part No.
RX4901CE XS A06

Mouser Part No
732-RX4901CEXSA06

Epson Timing

Real Time Clock RX4901CEXS A0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR

Learn More

Datasheet

1,993In Stock

Cut Tape

$5.76

$4.40

$4.07

$3.61

View

Reel

$3.12

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

Backup Switching

1.6 V

5.5 V

- 40 C

+ 105 C

RX4901CE

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RX4901CE XB B0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR

RX4901CE XB B06
Epson Timing
1: $4.63
2,000In Stock

Mfr. Part No.
RX4901CE XB B06

Mouser Part No
732-RX4901CEXBB06

Epson Timing

Real Time Clock RX4901CE XB B0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR

Learn More

Datasheet

2,000In Stock

Cut Tape

$4.63

$4.16

$3.90

$3.41

Reel

$2.33

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

Backup Switching

1.6 V

5.5 V

- 40 C

+ 105 C

RX4901CE

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RX4901CE XB D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR

RX4901CE XB D06
Epson Timing
1: $4.63
972In Stock

Mfr. Part No.
RX4901CE XB D06

Mouser Part No
732-RX4901CEXBD06

Epson Timing

Real Time Clock RX4901CE XB D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR

Learn More

Datasheet

972In Stock

Cut Tape

$4.63

$4.16

$3.90

$3.41

View

Reel

$2.26

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

Backup Switching

1.6 V

5.5 V

- 40 C

+ 105 C

RX4901CE

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RX4901CE XS B0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR

RX4901CE XS B06
Epson Timing
1: $5.76
1,890In Stock

Mfr. Part No.
RX4901CE XS B06

Mouser Part No
732-RX4901CEXSB06

Epson Timing

Real Time Clock RX4901CE XS B0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR

Learn More

Datasheet

1,890In Stock

Cut Tape

$5.76

$4.40

$4.07

$3.70

View

Reel

$3.12

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

Backup Switching

1.6 V

5.5 V

- 40 C

+ 105 C

RX4901CE

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RX4901CE XS C0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR

RX4901CE XS C06
Epson Timing
1: $7.29
1,584In Stock

Mfr. Part No.
RX4901CE XS C06

Mouser Part No
732-RX4901CEXSC06

Epson Timing

Real Time Clock RX4901CE XS C0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR

Learn More

Datasheet

1,584In Stock

Cut Tape

$7.29

$4.86

$4.23

$3.51

View

Reel

$3.12

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

Backup Switching

1.6 V

5.5 V

- 40 C

+ 105 C

RX4901CE

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RX4901CE XS D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR

RX4901CE XS D06
Epson Timing
1: $5.76
1,922In Stock

Mfr. Part No.
RX4901CE XS D06

Mouser Part No
732-RX4901CEXSD06

Epson Timing

Real Time Clock RX4901CE XS D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR

Learn More

Datasheet

1,922In Stock

Cut Tape

$5.76

$4.40

$4.07

$3.70

View

Reel

$3.12

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

Backup Switching

1.6 V

5.5 V

- 40 C

+ 105 C

RX4901CE

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RX4901CE XB C0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR

RX4901CE XB C06
Epson Timing
1: $5.76
1,169Expected 2026/06/09

Mfr. Part No.
RX4901CE XB C06

Mouser Part No
732-RX4901CEXBC06

Epson Timing

Real Time Clock RX4901CE XB C0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR

Learn More

Datasheet

1,169Expected 2026/06/09

Cut Tape

$5.76

$3.79

$3.27

$2.69

View

Reel

$2.26

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

Backup Switching

1.6 V

5.5 V

- 40 C

+ 105 C

RX4901CE

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RX4901CE XB A0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR

RX4901CE XB A06
Epson Timing
2,000: $2.33
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XB A06

Mouser Part No
732-RX4901CEXBA06

Epson Timing

Real Time Clock RX4901CE XB A0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$2.33

$2.26

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

Reel: 2,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

Backup Switching

1.6 V

5.5 V

- 40 C

+ 105 C

RX4901CE

SMD/SMT

Reel

Real Time Clock RX4901CE XB A00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 1K TR

RX4901CE XB A00
Epson Timing
1,000: $2.26
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XB A00

Mouser Part No
732-RX4901CEXBA00

Epson Timing

Real Time Clock RX4901CE XB A00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 1K TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$2.26

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

Reel: 1,000

RX4901CE

Reel

Real Time Clock RX4901CE XB A03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 250TR

RX4901CE XB A03
Epson Timing
250: $6.69
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XB A03

Mouser Part No
732-RX4901CEXBA03

Epson Timing

Real Time Clock RX4901CE XB A03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 250TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$6.69

$6.22

Quote

Min.: 250
Mult.: 250

Reel: 250

RX4901CE

Reel

Real Time Clock RX4901CE XB B00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 1K TR

RX4901CE XB B00
Epson Timing
1,000: $2.26
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XB B00

Mouser Part No
732-RX4901CEXBB00

Epson Timing

Real Time Clock RX4901CE XB B00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 1K TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$2.26

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

Reel: 1,000

RX4901CE

Reel

Real Time Clock RX4901CE XB B03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 250TR

RX4901CE XB B03
Epson Timing
250: $6.69
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XB B03

Mouser Part No
732-RX4901CEXBB03

Epson Timing

Real Time Clock RX4901CE XB B03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 250TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$6.69

$6.22

Quote

Min.: 250
Mult.: 250

Reel: 250

RX4901CE

Reel

Real Time Clock RX4901CE XB C00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 1K TR

RX4901CE XB C00
Epson Timing
1,000: $2.26
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XB C00

Mouser Part No
732-RX4901CEXBC00

Epson Timing

Real Time Clock RX4901CE XB C00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 1K TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$2.26

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

Reel: 1,000

RX4901CE

Reel

Real Time Clock RX4901CE XB C03 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 250TR

RX4901CE XB C03
Epson Timing
250: $6.69
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XB C03

Mouser Part No
732-RX4901CEXBC03

Epson Timing

Real Time Clock RX4901CE XB C03 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 250TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$6.69

$6.22

Quote

Min.: 250
Mult.: 250

Reel: 250

RX4901CE

Reel

Real Time Clock RX4901CE XB D00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 1K TR

RX4901CE XB D00
Epson Timing
1,000: $2.26
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XB D00

Mouser Part No
732-RX4901CEXBD00

Epson Timing

Real Time Clock RX4901CE XB D00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 1K TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$2.26

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

Reel: 1,000

RX4901CE

Reel

Real Time Clock RX4901CE XB D03 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 250TR

RX4901CE XB D03
Epson Timing
250: $6.69
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XB D03

Mouser Part No
732-RX4901CEXBD03

Epson Timing

Real Time Clock RX4901CE XB D03 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 250TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$6.69

$6.22

Quote

Min.: 250
Mult.: 250

Reel: 250

RX4901CE

Reel

Real Time Clock RX4901CE XS A00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 1K TR

RX4901CE XS A00
Epson Timing
1,000: $3.17
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XS A00

Mouser Part No
732-RX4901CEXSA00

Epson Timing

Real Time Clock RX4901CE XS A00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 1K TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$3.17

$3.13

Quote

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

Reel: 1,000

RX4901CE

Reel

Real Time Clock RX4901CE XS A03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 250TR

RX4901CE XS A03
Epson Timing
250: $6.41
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XS A03

Mouser Part No
732-RX4901CEXSA03

Epson Timing

Real Time Clock RX4901CE XS A03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 250TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$6.41

$6.32

$6.25

View

Min.: 250
Mult.: 250

Reel: 250

RX4901CE

Reel

Real Time Clock RX4901CE XS A0B REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT BULK

RX4901CE XS A0B
Epson Timing
1: $11.12
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XS A0B

Mouser Part No
732-RX4901CEXSA0B

Epson Timing

Real Time Clock RX4901CE XS A0B REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT BULK

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

$11.12

$9.80

$8.73

$7.90

View

Min.: 1
Mult.: 1

RX4901CE

Bulk

Real Time Clock RX4901CE XS B00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN4EVIN3 1K TR

RX4901CE XS B00
Epson Timing
1,000: $3.12
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XS B00

Mouser Part No
732-RX4901CEXSB00

Epson Timing

Real Time Clock RX4901CE XS B00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN4EVIN3 1K TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$3.12

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

Reel: 1,000

RX4901CE

Reel

Real Time Clock RX4901CE XS B03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN4EVIN3 250TR

RX4901CE XS B03
Epson Timing
250: $6.69
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XS B03

Mouser Part No
732-RX4901CEXSB03

Epson Timing

Real Time Clock RX4901CE XS B03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN4EVIN3 250TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$6.69

$6.22

Quote

Min.: 250
Mult.: 250

Reel: 250

RX4901CE

Reel

Real Time Clock RX4901CE XS B0B REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4EVIN3 BULK

RX4901CE XS B0B
Epson Timing
1: $11.12
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XS B0B

Mouser Part No
732-RX4901CEXSB0B

Epson Timing

Real Time Clock RX4901CE XS B0B REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4EVIN3 BULK

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

$11.12

$9.80

$8.73

$7.90

View

Min.: 1
Mult.: 1

RX4901CE

Bulk

Real Time Clock RX4901CE XS C00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 1K TR

RX4901CE XS C00
Epson Timing
1,000: $3.12
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XS C00

Mouser Part No
732-RX4901CEXSC00

Epson Timing

Real Time Clock RX4901CE XS C00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 1K TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$3.12

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

Reel: 1,000

RX4901CE

Reel

Real Time Clock RX4901CE XS C03 REAL TIME CLOCK 4 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 250TR

RX4901CE XS C03
Epson Timing
250: $6.69
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XS C03

Mouser Part No
732-RX4901CEXSC03

Epson Timing

Real Time Clock RX4901CE XS C03 REAL TIME CLOCK 4 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 250TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$6.69

$6.22

Quote

Min.: 250
Mult.: 250

Reel: 250

RX4901CE

Reel

Real Time Clock RX4901CE XS C0B REAL TIME CLOCK 4 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT BULK

RX4901CE XS C0B
Epson Timing
1: $11.12
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX4901CE XS C0B

Mouser Part No
732-RX4901CEXSC0B

Epson Timing

Real Time Clock RX4901CE XS C0B REAL TIME CLOCK 4 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT BULK

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

$11.12

$9.80

$8.73

$7.90

View

Min.: 1
Mult.: 1

RX4901CE

Bulk

RX4901CE Series Real Time Clock

Customer Service Office

Company

Resources

Support