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Real Time Clock

Real Time Clocks are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many real time clock manufacturers including Analog Devices, Epson, Microchip, Micro Crystal, NXP, Renesas Electronics, STMicroelectronics & more.
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Please view our large selection of real time clocks below.

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Results: 938

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Part #

Real Time Clock RX-8571SA:B PURE SN 5+/-23PPM REAL TIME CLOCK BULK - CUT TAPE

RX-8571SAB PURE SN
Epson Timing
1: $9.50
Non-Stocked Lead-Time 16 Weeks
End of Life

Mfr. Part #
RX-8571SAB PURE SN

Mouser Part #
732-RX8571SABPURESN

End of Life

Epson Timing

Real Time Clock RX-8571SA:B PURE SN 5+/-23PPM REAL TIME CLOCK BULK - CUT TAPE

Datasheet

Non-Stocked Lead-Time 16 Weeks

$9.50

$7.29

$6.72

$6.12

View

Min.: 1
Mult.: 1

RX-8571NB

Bulk

Real Time Clock RX-4035SA:AC3 PURE SN REAL TIME CLOCK 0+/-5PPM 250 T/R

RX-4035SAAC3 PURE SN
Epson Timing
250: $8.29
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX-4035SAAC3 PURE SN

Mouser Part #
732-R4035SAAC3PURESN

Epson Timing

Real Time Clock RX-4035SA:AC3 PURE SN REAL TIME CLOCK 0+/-5PPM 250 T/R

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$8.29

$8.19

$8.11

Quote

Min.: 250
Mult.: 250

: 250

Reel

Real Time Clock RX-4035SA:ACB PURE SN REAL TIME CLOCK 0+/-5PPM BULK - CUT TAPE

RX-4035SAACB PURE SN
Epson Timing
1: $12.30
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX-4035SAACB PURE SN

Mouser Part #
732-R4035SAACBPURESN

Epson Timing

Real Time Clock RX-4035SA:ACB PURE SN REAL TIME CLOCK 0+/-5PPM BULK - CUT TAPE

Datasheet

Non-Stocked Lead-Time 16 Weeks

$12.30

$10.61

$8.90

$8.73

View

Min.: 1
Mult.: 1

Bulk

Real Time Clock RX-4803LC:UA0 PURE SN RTC +/-3.4PPM-40 85C 1K TR

RX-4803LCUA0 PURE SN
Epson Timing
1,000: $5.01
Non-Stocked

Mfr. Part #
RX-4803LCUA0 PURE SN

Mouser Part #
732-R4803LCUA0PURESN

Epson Timing

Real Time Clock RX-4803LC:UA0 PURE SN RTC +/-3.4PPM-40 85C 1K TR

Datasheet

Non-Stocked

Reel

$5.01

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

: 1,000

Reel

Real Time Clock RX-4803SA:UB0 PURE SN RTC 1.6 5.5V +/-5.0PPM-40 85C 1K T/R

RX-4803SAUB0 PURE SN
Epson Timing
1: $5.89
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX-4803SAUB0 PURE SN

Mouser Part #
732-R4803SAUB0PURESN

Epson Timing

Real Time Clock RX-4803SA:UB0 PURE SN RTC 1.6 5.5V +/-5.0PPM-40 85C 1K T/R

Datasheet

Non-Stocked Lead-Time 20 Weeks

Cut Tape

$5.89

$4.44

$4.20

$3.20

Reel

$3.17

$3.12

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

RX-4803SA

Reel, Cut Tape, MouseReel

Real Time Clock RX-4571LC:B0 RTC Sn-Ag or Sn VSOJ 12PIN 5+/-23PPM 1K TR

RX-4571LCB0 PURE SN
Epson Timing
1,000: $2.87
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX-4571LCB0 PURE SN

Mouser Part #
732-RX-571LCB0PURESN

Epson Timing

Real Time Clock RX-4571LC:B0 RTC Sn-Ag or Sn VSOJ 12PIN 5+/-23PPM 1K TR

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

$2.87

$2.82

$2.79

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

: 1,000

Reel

Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C VSOJ-12 PIN 250TR

RX-8803LC:UA3 PURE SN
Epson Timing
250: $15.80
Non-Stocked Lead-Time 16 Weeks

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

Mouser Part #
732-RX-8803LCUA3

Epson Timing

Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C VSOJ-12 PIN 250TR

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$15.80

$15.21

$14.44

Quote

Min.: 250
Mult.: 250

: 250

I2C

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

VSOJ-12

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

RX-8803LC

SMD/SMT

Reel

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

RX-4035LC:B3 PURE SN
Epson Timing
250: $4.44
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
RX-4035LC:B3 PURE SN

Mouser Part #
732-RX4035LCB3PURESN

Epson Timing

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

Datasheet

Non-Stocked Lead-Time 17 Weeks

Reel

$4.44

$4.36

$4.33

$4.31

Min.: 250
Mult.: 250

: 250

SPI

Backup Switching

2.4 V

5.5 V

- 40 C

+ 85 C

RX-4035LC

SMD/SMT

Reel

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

RX-4035LC:BB PURE SN
Epson Timing
1: $13.91
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
RX-4035LC:BB PURE SN

Mouser Part #
732-RX4035LCBBPURESN

Epson Timing

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

Datasheet

Non-Stocked Lead-Time 17 Weeks

$13.91

$10.81

$10.04

$9.82

View

Min.: 1
Mult.: 1

RX-4035LC

Bulk

Real Time Clock REAL TIME CLOCK 5+/-23PPM (SOP 14 PIN) 250TR

RX-4035SA:B3 PURE SN
Epson Timing
250: $8.14
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX-4035SA:B3 PURE SN

Mouser Part #
732-RX4035SAB3PURESN

Epson Timing

Real Time Clock REAL TIME CLOCK 5+/-23PPM (SOP 14 PIN) 250TR

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$8.14

$7.86

$7.33

Quote

Min.: 250
Mult.: 250

: 250

RX-4035SA

Reel

Real Time Clock RX4111CE:A6 REAL TIME CLOCK SPI-BUS 3.0V 11.5PPM 2K TR

RX4111CE A6
Epson Timing
1: $3.25
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX4111CE A6

Mouser Part #
732-RX4111CEA6

Epson Timing

Real Time Clock RX4111CE:A6 REAL TIME CLOCK SPI-BUS 3.0V 11.5PPM 2K TR

Datasheet

Non-Stocked Lead-Time 16 Weeks

Cut Tape

$3.25

$2.40

$2.19

$2.12

$1.64

Reel

$1.63

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Reel, Cut Tape, MouseReel

Real Time Clock RTC VSOJ 12PIN 5+/-23PPM BULK - CUT TAPE

RX-4571LC:B PURE SN
Epson Timing
1: $9.50
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
RX-4571LC:B PURE SN

Mouser Part #
732-RX4571LC:BPURESN

Epson Timing

Real Time Clock RTC VSOJ 12PIN 5+/-23PPM BULK - CUT TAPE

Datasheet

Non-Stocked Lead-Time 17 Weeks

$9.50

$8.16

$6.90

$6.62

View

Min.: 1
Mult.: 1

Serial 3-Wire

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

RX-4571LC

SMD/SMT

Bulk

Real Time Clock RTC +/-3.4PPM-40 85C BULK-CUT TAPE

RX-4803LC:UA PURE SN
Epson Timing
100: $16.32
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
RX-4803LC:UA PURE SN

Mouser Part #
732-RX4803LCUAPURESN

Epson Timing

Real Time Clock RTC +/-3.4PPM-40 85C BULK-CUT TAPE

Datasheet

Non-Stocked Lead-Time 17 Weeks

$16.32

$16.26

$15.72

$15.54

View

Min.: 100
Mult.: 1

RX-4803LC

Bulk

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: $3.50
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX4901CE XB A00

Mouser Part #
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

$3.50

$3.47

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

: 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: $9.73
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX4901CE XB A03

Mouser Part #
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

$9.73

$9.66

$9.58

Quote

Min.: 250
Mult.: 250

: 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: $3.40
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX4901CE XB B00

Mouser Part #
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

$3.40

$3.33

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

: 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: $9.73
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX4901CE XB B03

Mouser Part #
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

$9.73

$9.66

$9.58

Quote

Min.: 250
Mult.: 250

: 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: $3.50
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX4901CE XB C00

Mouser Part #
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

$3.50

$3.47

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

: 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: $9.73
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX4901CE XB C03

Mouser Part #
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

$9.73

$9.66

$9.58

Quote

Min.: 250
Mult.: 250

: 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: $3.50
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX4901CE XB D00

Mouser Part #
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

$3.50

$3.47

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

: 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: $9.73
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX4901CE XB D03

Mouser Part #
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

$9.73

$9.66

$9.58

Quote

Min.: 250
Mult.: 250

: 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: $4.65
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX4901CE XS A00

Mouser Part #
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

$4.65

$4.56

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

: 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: $9.78
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX4901CE XS A03

Mouser Part #
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

$9.78

$9.71

$9.62

Quote

Min.: 250
Mult.: 250

: 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: $14.73
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX4901CE XS A0B

Mouser Part #
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

$14.73

$12.77

$10.71

$10.53

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: $4.65
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX4901CE XS B00

Mouser Part #
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

$4.65

$4.59

Quote

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

: 1,000

RX4901CE

Reel

Real Time Clock

Mouser®

Company

Resources

Support

2 B
3 B
4 B
7 B
8 B
10 B
12 B
16 B
20 B
31 B
32 B
56 B
64 B
96 B
113 B
114 B
128 B
160 B
236 B
242 B

3.2 mm x 2.5 mm x 1 mm
DFN-16
DFN-20
DFN2626-10
DFN-8
DIP-16
DIP-8
EDIP-24
EDIP-28
EDIP-32
HWSON-8
LGA-10
MSOP-10
MSOP-8
PCDIP-24
PCDIP-28
PDIP-16
PDIP-24
PDIP-28
PDIP-8

600 mV
750 mV
900 mV
1 V
1.1 V
1.2 V
1.25 V
1.3 V
1.4 V
1.5 V
1.6 V
1.7 V
1.71 V
1.8 V
2 V
2.2 V
2.3 V
2.38 V
2.4 V
2.5 V

1338
1339
1337AGD
AB-RTC-TA-32.768kHz-2
AB-RTC-TC-32.768kHz-2
AB-RTC-TH-32.768kHz-2
AB-RTC-XB-32.768kHz-2
AB-RTC-XL
AB-RTC-XLA
AB-RTC-XP-32.768kHz-2
AB-RTC-XPA-32.768kHz-2
AB-RTCMC
AB08x5
AB18x5
Artasie I2C
Artasie I2C w/ Power Management
Artasie SPI
Artasie SPI w/ Power Management
BQ32000
BQ32002