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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: 937

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Part #

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

RX8900CEUAX
Epson Timing
1: $9.70
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

$9.70

$7.55

$7.01

$6.42

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: $3.55
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

$3.55

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: $5.62
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

$5.62

$4.37

$3.73

Min.: 1
Mult.: 1

RX8900CE

Bulk

Real Time Clock 32.768kHz-DTCXO 5ppm I2C-Bus

RX8900SA UC0 PURE SN
Epson Timing
1,000: $1.58
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
RX8900SA UC0 PURE SN

Mouser Part No
732-RX8900SAUC0SN

Epson Timing

Real Time Clock 32.768kHz-DTCXO 5ppm I2C-Bus

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

$1.58

$1.56

$1.54

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

: 1,000

RX8900SA

Reel

Real Time Clock RX8901CE XB A00 REAL TIME CLOCK I2C-BUS +/-5PPM -40 85C PIN 4 FOUT 1K TR

RX8901CE XB A00
Epson Timing
1: $4.50
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8901CE XB A00

Mouser Part No
732-RX8901CEXBA00

Epson Timing

Real Time Clock RX8901CE XB A00 REAL TIME CLOCK I2C-BUS +/-5PPM -40 85C PIN 4 FOUT 1K TR

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

Cut Tape

$4.50

$3.39

$3.21

$2.67

Reel

$2.67

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

RX8901CE

Reel, Cut Tape, MouseReel

Real Time Clock RX8901CE XB A03 REAL TIME CLOCK I2C-BUS +/-5PPM -40 85C PIN 4 FOUT 250TR

RX8901CE XB A03
Epson Timing
250: $7.34
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8901CE XB A03

Mouser Part No
732-RX8901CEXBA03

Epson Timing

Real Time Clock RX8901CE XB A03 REAL TIME CLOCK I2C-BUS +/-5PPM -40 85C PIN 4 FOUT 250TR

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

Reel

$7.34

Min.: 250
Mult.: 250

: 250

RX8901CE

Reel

Real Time Clock RX8901CE XB B00 REAL TIME CLOCK I2C-BUS +/-5PPM -40 85C PIN 4 EVIN3 1KTR

RX8901CE XB B00
Epson Timing
1,000: $2.67
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8901CE XB B00

Mouser Part No
732-RX8901CEXBB00

Epson Timing

Real Time Clock RX8901CE XB B00 REAL TIME CLOCK I2C-BUS +/-5PPM -40 85C PIN 4 EVIN3 1KTR

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

Reel

$2.67

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

: 1,000

RX8901CE

Reel

Real Time Clock RX8901CE XB B03 REAL TIME CLOCK I2C-BUS +/-5PPM -40 85C PIN 4 EVIN3250TR

RX8901CE XB B03
Epson Timing
250: $7.34
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8901CE XB B03

Mouser Part No
732-RX8901CEXBB03

Epson Timing

Real Time Clock RX8901CE XB B03 REAL TIME CLOCK I2C-BUS +/-5PPM -40 85C PIN 4 EVIN3250TR

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

Reel

$7.34

Min.: 250
Mult.: 250

: 250

RX8901CE

Reel

Real Time Clock RX8901CE XS A00 REAL TIME CLOCK I2C-BUS +/-3PPM -40 85C PIN 4 FOUT 1K TR

RX8901CE XS A00
Epson Timing
1,000: $3.69
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8901CE XS A00

Mouser Part No
732-RX8901CEXSA00

Epson Timing

Real Time Clock RX8901CE XS A00 REAL TIME CLOCK I2C-BUS +/-3PPM -40 85C PIN 4 FOUT 1K TR

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

Reel

$3.69

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

: 1,000

RX8901CE

Reel

Real Time Clock RX8901CE XS A03 REAL TIME CLOCK I2C-BUS +/-3PPM -40 85C PIN 4 FOUT 250TR

RX8901CE XS A03
Epson Timing
250: $7.34
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8901CE XS A03

Mouser Part No
732-RX8901CEXSA03

Epson Timing

Real Time Clock RX8901CE XS A03 REAL TIME CLOCK I2C-BUS +/-3PPM -40 85C PIN 4 FOUT 250TR

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

Reel

$7.34

Min.: 250
Mult.: 250

: 250

RX8901CE

Reel

Real Time Clock RX8901CE XS A0B REAL TIME CLOCK I2C-BUS +/-3PPM -40 85C PIN 4 FOUT BULK

RX8901CE XS A0B
Epson Timing
1: $9.75
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8901CE XS A0B

Mouser Part No
732-RX8901CEXSA0B

Epson Timing

Real Time Clock RX8901CE XS A0B REAL TIME CLOCK I2C-BUS +/-3PPM -40 85C PIN 4 FOUT BULK

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

$9.75

$8.99

$7.45

Min.: 1
Mult.: 1

RX8901CE

Bulk

Real Time Clock RX8901CE XS B00 REAL TIME CLOCK I2C-BUS +/-3PPM -40 85C PIN 4 EVIN3 1KTR

RX8901CE XS B00
Epson Timing
1,000: $3.69
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8901CE XS B00

Mouser Part No
732-RX8901CEXSB00

Epson Timing

Real Time Clock RX8901CE XS B00 REAL TIME CLOCK I2C-BUS +/-3PPM -40 85C PIN 4 EVIN3 1KTR

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

Reel

$3.69

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

: 1,000

RX8901CE

Reel

Real Time Clock RX8901CE XS B03 REAL TIME CLOCK I2C-BUS +/-3PPM -40 85C PIN 4 EVIN3250TR

RX8901CE XS B03
Epson Timing
250: $7.34
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8901CE XS B03

Mouser Part No
732-RX8901CEXSB03

Epson Timing

Real Time Clock RX8901CE XS B03 REAL TIME CLOCK I2C-BUS +/-3PPM -40 85C PIN 4 EVIN3250TR

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

Reel

$7.34

Min.: 250
Mult.: 250

: 250

RX8901CE

Reel

Real Time Clock RX8901CE XS B0B REAL TIME CLOCK I2C-BUS +/-3PPM -40 85C PIN 4 EVIN3 BULK

RX8901CE XS B0B
Epson Timing
1: $9.75
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
RX8901CE XS B0B

Mouser Part No
732-RX8901CEXSB0B

Epson Timing

Real Time Clock RX8901CE XS B0B REAL TIME CLOCK I2C-BUS +/-3PPM -40 85C PIN 4 EVIN3 BULK

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

$9.75

$8.99

$7.45

Min.: 1
Mult.: 1

RX8901CE

Bulk

Real Time Clock RX8804CE:XA0 REAL TIME CLOCK +/-3.4PPM DTCXO 1K TR

X1B000371000114
Epson Timing
1: $4.36
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
X1B000371000114

Mouser Part No
732-X1B000371000114

Epson Timing

Real Time Clock RX8804CE:XA0 REAL TIME CLOCK +/-3.4PPM DTCXO 1K TR

Datasheet

Non-Stocked Lead-Time 17 Weeks

Cut Tape

$4.36

$3.29

$3.02

$2.72

View

Min.: 1
Mult.: 1

Reel

Real Time Clock REAL TIME CLOCK 5+/-5PPM 250 T/R

RX-4035SA:AA3 PURE SN
Epson Timing
250: $5.76
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX-4035SA:AA3 PURE SN

Mouser Part No
732-X4035SAAA3PURESN

Epson Timing

Real Time Clock REAL TIME CLOCK 5+/-5PPM 250 T/R

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$5.76

$5.69

$5.63

Quote

Min.: 250
Mult.: 250

: 250

SPI

Backup Switching

2.4 V

5.5 V

- 40 C

+ 85 C

RX-4035SA

SMD/SMT

Reel

Real Time Clock REAL TIME CLOCK 5+/-5PPM STICK

RX-4035SA:AAB PURE SN
Epson Timing
1: $6.19
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
RX-4035SA:AAB PURE SN

Mouser Part No
732-X4035SAAABPURESN

Epson Timing

Real Time Clock REAL TIME CLOCK 5+/-5PPM STICK

Datasheet

Non-Stocked Lead-Time 17 Weeks

$6.19

$5.49

$4.45

$4.39

View

Min.: 1
Mult.: 1

RX-4035SA

Tube

Real Time Clock RTC +5+/-5.0PPM +25C 250 T/R

RX-4803LC:AA3 PURE SN
Epson Timing
250: $11.10
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
RX-4803LC:AA3 PURE SN

Mouser Part No
732-X4803LCAA3PURESN

Epson Timing

Real Time Clock RTC +5+/-5.0PPM +25C 250 T/R

Datasheet

Non-Stocked Lead-Time 17 Weeks

Reel

$11.10

$10.74

$10.61

Quote

Min.: 250
Mult.: 250

: 250

RX-4803LC

Reel

Real Time Clock RTC +5+/-5.0PPM +25C BULK-CUT TAPE

RX-4803LC:AAB PURE SN
Epson Timing
100: $11.51
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
RX-4803LC:AAB PURE SN

Mouser Part No
732-X4803LCAABPURESN

Epson Timing

Real Time Clock RTC +5+/-5.0PPM +25C BULK-CUT TAPE

Datasheet

Non-Stocked Lead-Time 17 Weeks

$11.51

$11.45

$11.08

$10.95

View

Min.: 100
Mult.: 1

RX-4803LC

Bulk

Real Time Clock RTC +/-3.4PPM-40 85C 250TR

RX-4803LC:UA3 PURE SN
Epson Timing
250: $11.29
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
RX-4803LC:UA3 PURE SN

Mouser Part No
732-X4803LCUA3PURESN

Epson Timing

Real Time Clock RTC +/-3.4PPM-40 85C 250TR

Datasheet

Non-Stocked Lead-Time 17 Weeks

Reel

$11.29

$10.92

$10.79

View

Min.: 250
Mult.: 250

: 250

RX-4803LC

Reel

Real Time Clock RTC +/-5.0PPM -40 85C 250TR

RX-4803LC:UB3 PURE SN
Epson Timing
250: $7.27
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX-4803LC:UB3 PURE SN

Mouser Part No
732-X4803LCUB3PURESN

Epson Timing

Real Time Clock RTC +/-5.0PPM -40 85C 250TR

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$7.27

$7.16

$7.09

View

Min.: 250
Mult.: 250

: 250

RX-4803LC

Reel

Real Time Clock RTC +/-5.0PPM -40 85C BULK-CUT TAPE

RX-4803LC:UBB PURE SN
Epson Timing
1: $10.36
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX-4803LC:UBB PURE SN

Mouser Part No
732-X4803LCUBBPURESN

Epson Timing

Real Time Clock RTC +/-5.0PPM -40 85C BULK-CUT TAPE

Datasheet

Non-Stocked Lead-Time 16 Weeks

$10.36

$8.39

$8.18

$7.84

View

Min.: 1
Mult.: 1

RX-4803LC

Bulk

Real Time Clock RTC +/-5.0PPM -30 70C 250 T/R

RX-4803LC:UC3 PURE SN
Epson Timing
250: $11.18
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
RX-4803LC:UC3 PURE SN

Mouser Part No
732-X4803LCUC3PURESN

Epson Timing

Real Time Clock RTC +/-5.0PPM -30 70C 250 T/R

Datasheet

Non-Stocked Lead-Time 17 Weeks

Reel

$11.18

$10.50

$10.37

Quote

Min.: 250
Mult.: 250

: 250

RX-4803LC

Reel

Real Time Clock RTC +/-5.0PPM -30 70C BULK-CUT TAPE

RX-4803LC:UCB PURE SN
Epson Timing
100: $11.51
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
RX-4803LC:UCB PURE SN

Mouser Part No
732-X4803LCUCBPURESN

Epson Timing

Real Time Clock RTC +/-5.0PPM -30 70C BULK-CUT TAPE

Datasheet

Non-Stocked Lead-Time 17 Weeks

$11.51

$11.45

$11.08

$10.95

View

Min.: 100
Mult.: 1

RX-4803LC

Bulk

Real Time Clock RTC +/-3.4PPM-40 85C 250 T/R

RX-4803SA:UA3 PURE SN
Epson Timing
250: $8.04
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
RX-4803SA:UA3 PURE SN

Mouser Part No
732-X4803SAUA3PURESN

Epson Timing

Real Time Clock RTC +/-3.4PPM-40 85C 250 T/R

Datasheet

Non-Stocked Lead-Time 17 Weeks

Reel

$8.04

$7.77

$7.68

Quote

Min.: 250
Mult.: 250

: 250

RX-4803SA

Reel

Real Time Clock

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7 B
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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