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Real Time Clock

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Results: 73

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Part #

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744WP-120IND+
Analog Devices / Maxim Integrated
1: $59.03
628In Stock

Mfr. Part #
DS1744WP-120IND+

Mouser Part #
700-DS1744WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

628In Stock

$59.03

$50.71

$46.77

$45.75

Min.: 1
Mult.: 1
Max.: 628

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

- 40 C

+ 85 C

DS1744WP

SMD/SMT

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744P-70IND+
Analog Devices / Maxim Integrated
1: $60.46
912In Stock

Mfr. Part #
DS1744P-70IND+

Mouser Part #
700-DS1744P-70IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

912In Stock

$60.46

$49.68

$46.09

$43.98

View

Min.: 1
Mult.: 1
Max.: 912

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1744P

SMD/SMT

Tray

Real Time Clock Watchdog Clocks with NV RAM Control

DS1558Y+
Analog Devices / Maxim Integrated
1: $19.80
253In Stock

Mfr. Part #
DS1558Y+

Mouser Part #
700-DS1558Y

Analog Devices / Maxim Integrated

Real Time Clock Watchdog Clocks with NV RAM Control

Datasheet

253In Stock

$19.80

$15.69

$14.67

$13.54

$12.78

Min.: 1
Mult.: 1
Max.: 253

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

TQFP-48

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1558Y

SMD/SMT

Tray

Real Time Clock Ultra-Low power 12C Real Time clock w/ p

MAX31331TETB+
Analog Devices / Maxim Integrated
1: $3.37
2,789In Stock

Mfr. Part #
MAX31331TETB+

Mouser Part #
700-MAX31331TETB+

Analog Devices / Maxim Integrated

Real Time Clock Ultra-Low power 12C Real Time clock w/ p

Learn More

Datasheet

2,789In Stock

$3.37

$2.53

$2.31

$2.07

View

Min.: 1
Mult.: 1
Max.: 2,789

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744P-70+
Analog Devices / Maxim Integrated
1: $49.50
80In Stock

Mfr. Part #
DS1744P-70+

Mouser Part #
700-DS1744P-70

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

80In Stock

$49.50

$41.74

$39.53

Min.: 1
Mult.: 1
Max.: 80

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1744P

SMD/SMT

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1746WP-120+
Analog Devices / Maxim Integrated
1: $57.35
75In Stock

Mfr. Part #
DS1746WP-120+

Mouser Part #
700-DS1746WP-120

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

75In Stock

$57.35

$48.79

$45.51

Min.: 1
Mult.: 1
Max.: 75

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

0 C

+ 70 C

DS1746WP

SMD/SMT

Tray

Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi

DS1556WP-120IND+
Analog Devices / Maxim Integrated
1: $72.60
38In Stock

Mfr. Part #
DS1556WP-120IND+

Mouser Part #
700-DS1556WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi

Datasheet

38In Stock

$72.60

$59.97

$56.30

Min.: 1
Mult.: 1
Max.: 38

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

- 40 C

+ 85 C

DS1556WP

SMD/SMT

Tray

Real Time Clock

RX8010SJ
Epson Timing
1: $3.46
55,302In Stock

Mfr. Part #
RX8010SJ

Mouser Part #
732-RX8010SJ

Epson Timing

Real Time Clock

Datasheet

55,302In Stock

$3.46

$2.58

$2.36

$2.11

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

16 B

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

RX8010SJ

SMD/SMT

Bulk

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

DS1554P-70+
Analog Devices / Maxim Integrated
1: $47.53
37In Stock

Mfr. Part #
DS1554P-70+

Mouser Part #
700-DS1554P-70

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

37In Stock

$47.53

$38.84

$36.33

Min.: 1
Mult.: 1
Max.: 37

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1554P

SMD/SMT

Tray

Real Time Clock Watchdog Clocks with NV RAM Control

DS1558W+
Analog Devices / Maxim Integrated
1: $19.80
57In Stock

Mfr. Part #
DS1558W+

Mouser Part #
700-DS1558W

Analog Devices / Maxim Integrated

Real Time Clock Watchdog Clocks with NV RAM Control

Datasheet

57In Stock

$19.80

$15.69

$14.67

Min.: 1
Mult.: 1
Max.: 57

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

TQFP-48

Backup Switching

2.97 V

3.63 V

- 40 C

+ 85 C

DS1558W

SMD/SMT

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1746WP-120IND+
Analog Devices / Maxim Integrated
1: $71.95
20In Stock

Mfr. Part #
DS1746WP-120IND+

Mouser Part #
700-DS1746WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

20In Stock

$71.95

$59.43

Min.: 1
Mult.: 1
Max.: 20

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

- 40 C

+ 85 C

DS1746WP

SMD/SMT

Tray

Real Time Clock 4096k NV SRAM with Phantom Clock

DS1251YP-70IND+
Analog Devices / Maxim Integrated
1: $73.26
100In Stock

Mfr. Part #
DS1251YP-70IND+

Mouser Part #
700-DS1251YP-70IND

Analog Devices / Maxim Integrated

Real Time Clock 4096k NV SRAM with Phantom Clock

Datasheet

100In Stock

$73.26

$67.60

$62.63

Min.: 1
Mult.: 1
Max.: 100

Parallel

YY-MM-DD-dd

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

512 kB

PowerCap Module-34

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1251YP

SMD/SMT

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744WP-120+
Analog Devices / Maxim Integrated
1: $57.30
105In Stock

Mfr. Part #
DS1744WP-120+

Mouser Part #
700-DS1744WP-120

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

105In Stock

$57.30

$47.00

$44.24

Min.: 1
Mult.: 1
Max.: 105

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

0 C

+ 70 C

DS1744WP

Through Hole

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1746P-70+
Analog Devices / Maxim Integrated
1: $61.25
34In Stock

Mfr. Part #
DS1746P-70+

Mouser Part #
700-DS1746P-70

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

34In Stock

$61.25

$50.57

$47.31

Min.: 1
Mult.: 1
Max.: 34

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

PowerCap Module-34

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1746P

SMD/SMT

Tray

Real Time Clock 3.5ppm, I2C RTC with Integrated Crystal and Power Management

MAX31328NELB+
Analog Devices / Maxim Integrated
1: $6.12
1,392In Stock
1,470Expected 9/4/2026

Mfr. Part #
MAX31328NELB+

Mouser Part #
700-MAX31328NELB+

Analog Devices / Maxim Integrated

Real Time Clock 3.5ppm, I2C RTC with Integrated Crystal and Power Management

Learn More

Datasheet

1,392In Stock

1,470Expected 9/4/2026

$6.12

$4.69

$4.34

$3.94

View

Min.: 1
Mult.: 1
Max.: 2,525

I2C

YY-MM-DD-dd

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

LGA-10

Backup Switching

2.3 V

5.5 V

- 40 C

+ 85 C

MAX31328

SMD/SMT

Tray

Real Time Clock Integrated RC17 w/ NDK Crystal

MAX31329NELB+
Analog Devices / Maxim Integrated
1: $4.61
2,898In Stock

Mfr. Part #
MAX31329NELB+

Mouser Part #
700-MAX31329NELB+

Analog Devices / Maxim Integrated

Real Time Clock Integrated RC17 w/ NDK Crystal

Learn More

Datasheet

2,898In Stock

$4.61

$3.50

$3.22

$2.91

View

Min.: 1
Mult.: 1
Max.: 2,898

I2C

YY-MM-DD-dd

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

LGA-10

Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tray

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

DS1554P-70IND+
Analog Devices / Maxim Integrated
1: $56.26
5In Stock

Mfr. Part #
DS1554P-70IND+

Mouser Part #
700-DS1554P-70IND

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

5In Stock

$56.26

Min.: 1
Mult.: 1
Max.: 5

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1554P

SMD/SMT

Tray

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

DS1554WP-120+
Analog Devices / Maxim Integrated
1: $46.06
2In Stock

Mfr. Part #
DS1554WP-120+

Mouser Part #
700-DS1554WP-120

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

2In Stock

$46.06

Min.: 1
Mult.: 1
Max.: 2

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

0 C

+ 70 C

DS1554WP

SMD/SMT

Tray

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

DS1554WP-120IND+
Analog Devices / Maxim Integrated
1: $51.46
33In Stock

Mfr. Part #
DS1554WP-120IND+

Mouser Part #
700-DS1554WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

33In Stock

$51.46

$42.06

$39.25

Min.: 1
Mult.: 1
Max.: 33

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

- 40 C

+ 85 C

DS1554WP

SMD/SMT

Tray

Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator

MAX31343ETAY+
Analog Devices / Maxim Integrated
1: $6.57
69In Stock
490Expected 8/27/2026

Mfr. Part #
MAX31343ETAY+

Mouser Part #
700-MAX31343ETAY+

Analog Devices / Maxim Integrated

Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator

Datasheet

69In Stock

490Expected 8/27/2026

$6.57

$5.04

$4.66

$4.24

View

Min.: 1
Mult.: 1
Max.: 559

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

64 B

TDFN-8

Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tray

Real Time Clock RX-8803LC:UB PURE SN I2C-BUS RTC +/-5.0PPM-40 85C VSOJ-12 PIN BULK

RX-8803LCUB PURE SN BULK
Epson Timing
1: $11.67
5In Stock

Mfr. Part #
RX-8803LCUB PURE SN BULK

Mouser Part #
732-8803LCUBPRSNBULK

Epson Timing

Real Time Clock RX-8803LC:UB PURE SN I2C-BUS RTC +/-5.0PPM-40 85C VSOJ-12 PIN BULK

Learn More

Datasheet

5In Stock

$11.67

$8.39

$8.10

$7.78

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

RX-8803LC

SMD/SMT

Bulk

Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN BULK

RX8900SA:UCB PURE SN
Epson Timing
1: $5.98
99In Stock

Mfr. Part #
RX8900SA:UCB PURE SN

Mouser Part #
732-X8900SAUCBPURESN

Epson Timing

Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN BULK

Learn More

Datasheet

99In Stock

$5.98

$4.58

$4.23

$3.92

View

Min.: 1
Mult.: 1

RX8900SA

Bulk

Real Time Clock 4096k NV SRAM with Phantom Clock

DS1251WP-120IND+
Analog Devices / Maxim Integrated
Restricted Availability

Mfr. Part #
DS1251WP-120IND+

Mouser Part #
700-DS1251WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock 4096k NV SRAM with Phantom Clock

Datasheet

More Info Available

Restricted Availability

Parallel

YY-MM-DD-dd

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

512 kB

PowerCap Module-34

2.97 V

3.63 V

- 40 C

+ 85 C

DS1251WP

SMD/SMT

Tray

Real Time Clock 4096k NV SRAM with Phantom Clock

DS1251WP-120+
Analog Devices / Maxim Integrated
Restricted Availability

Mfr. Part #
DS1251WP-120+

Mouser Part #
700-DS1251WP-120

Analog Devices / Maxim Integrated

Real Time Clock 4096k NV SRAM with Phantom Clock

Datasheet

More Info Available

Restricted Availability

Parallel

YY-MM-DD-dd

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

512 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

0 C

+ 70 C

DS1251WP

SMD/SMT

Tray

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

RX-4035SAAAB PURE SN
Epson Timing
1: $9.35
Non-Stocked Lead-Time 16 Weeks
New At Mouser

Mfr. Part #
RX-4035SAAAB PURE SN

Mouser Part #
732-RX4035AAABPUREN

New At Mouser

Epson Timing

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

Datasheet

Non-Stocked Lead-Time 16 Weeks

$9.35

$7.24

$6.71

$6.14

View

Min.: 1
Mult.: 1

RX-4035SA

Bulk

Real Time Clock

Customer Service Office

Company

Resources

Support

DS1251WP
DS1251YP
DS1554P
DS1554WP
DS1556WP
DS1558W
DS1558Y
DS1744P
DS1744WP
DS1746P
DS1746WP
MAX31328
RX-4035LC
RX-4035SA
RX-4045NB
RX4111CE
RX-4571LC
RX-4571NB
RX-4803LC
RX-4803SA