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

Real Time Clock

Real Time Clocks (RTCs) are available at Mouser Electronics 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. Please view our large selection of real time clocks below.

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

Results: 920

Applied Filters:

Manufacturer

RTC Bus Interface

Date Format

Time Format

RTC Memory Size

Package/Case

Battery Backup Switching

Supply Voltage - Min

Supply Voltage - Max

Minimum Operating Temperature

Maximum Operating Temperature

Series

Mounting Style

Qualification

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; }

Download Table (.CSV)

Part #

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

RX-8803LC:UA PURE SN
Epson Timing
1: £11.78
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX-8803LC:UA PURE SN

Mouser Part No
732-RX8803LCUAPURESN

Epson Timing

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

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

£11.78

£8.75

£8.37

£8.10

View

Min.: 1
Mult.: 1

RX-8803LC

Bulk

Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C BULK-CUT TAPE

RX-8803LC:UC PURE SN
Epson Timing
1: £8.04
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX-8803LC:UC PURE SN

Mouser Part No
732-RX8803LCUCPURESN

Epson Timing

Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C BULK-CUT TAPE

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

£8.04

£6.09

£5.83

£5.63

View

Min.: 1
Mult.: 1

RX-8803LC

Bulk

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

RX8804CE XA0
Epson Timing
1,000: £1.99
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX8804CE XA0

Mouser Part No
732-RX8804CEXA0

Epson Timing

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

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

£1.99

£1.92

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

: 1,000

Reel

Real Time Clock RX8804CE:XAB REAL TIME CLOCK +/-3.4PPM DTCXO BULK

RX8804CE XAB
Epson Timing
1: £7.87
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX8804CE XAB

Mouser Part No
732-RX8804CEXAB

Epson Timing

Real Time Clock RX8804CE:XAB REAL TIME CLOCK +/-3.4PPM DTCXO BULK

Datasheet

Non-Stocked Lead-Time 16 Weeks

£7.87

£6.75

£5.13

£5.04

View

Min.: 1
Mult.: 1

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 105 C

RX8804CE

SMD/SMT

Bulk

Real Time Clock RX8804CE:XBB REAL TIME CLOCK +/-5.0PPM DTCXO BULK

RX8804CE XBB
Epson Timing
1: £6.72
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
RX8804CE XBB

Mouser Part No
732-RX8804CEXBB

Epson Timing

Real Time Clock RX8804CE:XBB REAL TIME CLOCK +/-5.0PPM DTCXO BULK

Datasheet

Non-Stocked Lead-Time 16 Weeks

£6.72

£4.79

£3.70

£3.67

View

Min.: 1
Mult.: 1

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 105 C

RX8804CE

SMD/SMT

Bulk

Real Time Clock RX8900CE:UA6 I2C-BUS RTC +/-3.4PPM-40 85C 10 PIN 2K TR

RX8900CEUA6
Epson Timing
2,000: £1.49
Non-Stocked Lead-Time 16 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 16 Weeks

Reel

£1.49

£1.48

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: £8.41
Non-Stocked

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

Cut Tape

£8.41

£6.54

£6.24

£5.41

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: £2.83
Non-Stocked Lead-Time 16 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 16 Weeks

Reel

£2.83

£2.63

£2.35

£2.25

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: £4.49
Non-Stocked Lead-Time 16 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 16 Weeks

£4.49

£3.68

£2.72

£2.63

View

Min.: 1
Mult.: 1

RX8900CE

Bulk

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

RX8900SA UC0 PURE SN
Epson Timing
1,000: £1.12
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

£1.12

£1.09

£1.07

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: £4.42
Non-Stocked Lead-Time 20 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 20 Weeks

Cut Tape

£4.42

£3.04

£2.84

£2.68

Reel

£1.72

View

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: £5.00
Non-Stocked Lead-Time 20 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 20 Weeks

Reel

£5.00

£4.80

£4.62

View

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: £1.71
Non-Stocked Lead-Time 20 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 20 Weeks

Reel

£1.71

£1.68

£1.67

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: £5.00
Non-Stocked Lead-Time 20 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 20 Weeks

Reel

£5.00

£4.80

£4.62

View

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: £2.36
Non-Stocked Lead-Time 20 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 20 Weeks

Reel

£2.36

£2.30

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: £5.00
Non-Stocked Lead-Time 20 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 20 Weeks

Reel

£5.00

£4.80

£4.62

View

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: £8.13
Non-Stocked Lead-Time 20 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 20 Weeks

£8.13

£7.17

£5.44

£5.43

View

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: £2.36
Non-Stocked Lead-Time 20 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 20 Weeks

Reel

£2.36

£2.30

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: £5.00
Non-Stocked Lead-Time 20 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 20 Weeks

Reel

£5.00

£4.80

£4.62

View

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: £8.13
Non-Stocked Lead-Time 20 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 20 Weeks

£8.13

£7.17

£5.44

£5.43

View

Min.: 1
Mult.: 1

RX8901CE

Bulk

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

X1B000371000114
Epson Timing
1: £4.29
Non-Stocked

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

Cut Tape

£4.29

£2.95

£2.75

£2.41

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: £4.61
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

£4.61

£4.31

£3.90

£3.88

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: £5.24
Non-Stocked

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

£5.24

£4.36

£3.66

£3.50

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: £8.28
Non-Stocked

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

Reel

£8.28

£7.75

£7.45

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: £8.70
Non-Stocked

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

£8.70

£8.47

£8.17

£7.89

Quote

Min.: 100
Mult.: 1

RX-4803LC

Bulk

Real Time Clock

Customer Service Office

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

DFN-16
DFN-20
DFN2626-10
DFN-8
Die
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