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Real Time Clock

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Part #

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744WP-120IND+
Analog Devices / Maxim Integrated
1: $56.09
628In Stock

Mfr. Part No.
DS1744WP-120IND+

Mouser Part No
700-DS1744WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

628In Stock

$56.09

$51.06

$47.32

$46.29

View

Min.: 1
Mult.: 1

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: $60.48
912In Stock

Mfr. Part No.
DS1744P-70IND+

Mouser Part No
700-DS1744P-70IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

912In Stock

$60.48

$49.68

$46.04

$43.98

View

Min.: 1
Mult.: 1

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: $19.81
253In Stock

Mfr. Part No.
DS1558Y+

Mouser Part No
700-DS1558Y

Analog Devices / Maxim Integrated

Real Time Clock Watchdog Clocks with NV RAM Control

Datasheet

253In Stock

$19.81

$15.69

$14.68

$13.54

View

Min.: 1
Mult.: 1

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 Y2K-Compliant, Nonvolatile Timekeeping R

DS1744WP-120+
Analog Devices / Maxim Integrated
1: $50.14
154In Stock

Mfr. Part No.
DS1744WP-120+

Mouser Part No
700-DS1744WP-120

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

154In Stock

$50.14

$43.31

$38.48

$38.47

Min.: 1
Mult.: 1

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

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

Mfr. Part No.
MAX31331TETB+

Mouser Part No
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

$2.54

$2.33

$2.08

View

Min.: 1
Mult.: 1

Tray

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

DS1556WP-120IND+
Analog Devices / Maxim Integrated
1: $72.62
38In Stock

Mfr. Part No.
DS1556WP-120IND+

Mouser Part No
700-DS1556WP-120IND

Analog Devices / Maxim Integrated

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

Datasheet

38In Stock

$72.62

$59.98

$56.28

$53.82

View

Min.: 1
Mult.: 1

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 Y2K-Compliant, Nonvolatile Timekeeping R

DS1746WP-120+
Analog Devices / Maxim Integrated
1: $57.59
75In Stock

Mfr. Part No.
DS1746WP-120+

Mouser Part No
700-DS1746WP-120

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

75In Stock

$57.59

$49.30

$46.11

$44.46

View

Min.: 1
Mult.: 1

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 Y2K-Compliant, Nonvolatile Timekeeping R

DS1744P-70+
Analog Devices / Maxim Integrated
1: $50.23
80In Stock

Mfr. Part No.
DS1744P-70+

Mouser Part No
700-DS1744P-70

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

80In Stock

$50.23

$42.40

$39.81

$39.80

View

Min.: 1
Mult.: 1

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-120IND+
Analog Devices / Maxim Integrated
1: $71.97
20In Stock

Mfr. Part No.
DS1746WP-120IND+

Mouser Part No
700-DS1746WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

20In Stock

$71.97

$59.44

$55.81

$53.35

View

Min.: 1
Mult.: 1

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

RX8010SJ
Epson Timing
1: $3.47
55,555In Stock

Mfr. Part No.
RX8010SJ

Mouser Part No
732-RX8010SJ

Epson Timing

Real Time Clock

Datasheet

55,555In Stock

$3.47

$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: $47.54
37In Stock

Mfr. Part No.
DS1554P-70+

Mouser Part No
700-DS1554P-70

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

37In Stock

$47.54

$38.84

$36.33

$34.61

View

Min.: 1
Mult.: 1

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: $19.81
57In Stock

Mfr. Part No.
DS1558W+

Mouser Part No
700-DS1558W

Analog Devices / Maxim Integrated

Real Time Clock Watchdog Clocks with NV RAM Control

Datasheet

57In Stock

$19.81

$15.69

$14.68

$13.54

View

Min.: 1
Mult.: 1

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 1M, Nonvolatile, Y2K-Compliant Timekeepi

DS1556P-70+
Analog Devices / Maxim Integrated
1: $69.19
20In Stock

Mfr. Part No.
DS1556P-70+

Mouser Part No
700-DS1556P-70

Analog Devices / Maxim Integrated

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

Datasheet

20In Stock

$69.19

$57.15

$53.16

$51.35

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1556P

SMD/SMT

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1746P-70+
Analog Devices / Maxim Integrated
1: $61.27
34In Stock

Mfr. Part No.
DS1746P-70+

Mouser Part No
700-DS1746P-70

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

34In Stock

$61.27

$50.58

$47.32

$45.17

Min.: 1
Mult.: 1

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 4096k NV SRAM with Phantom Clock

DS1251YP-70IND+
Analog Devices / Maxim Integrated
1: $73.27
20In Stock
80Expected 2026/08/11

Mfr. Part No.
DS1251YP-70IND+

Mouser Part No
700-DS1251YP-70IND

Analog Devices / Maxim Integrated

Real Time Clock 4096k NV SRAM with Phantom Clock

Datasheet

20In Stock

80Expected 2026/08/11

$73.27

$67.62

$62.64

$60.26

View

Min.: 1
Mult.: 1

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 256k Nonvolatile, Y2K-Compliant Timekeep

DS1554P-70IND+
Analog Devices / Maxim Integrated
1: $54.74
5In Stock

Mfr. Part No.
DS1554P-70IND+

Mouser Part No
700-DS1554P-70IND

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

5In Stock

$54.74

$44.74

$41.66

$39.72

View

Min.: 1
Mult.: 1

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: $42.76
2In Stock

Mfr. Part No.
DS1554WP-120+

Mouser Part No
700-DS1554WP-120

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

2In Stock

$42.76

$35.67

$33.18

$32.04

View

Min.: 1
Mult.: 1

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: $51.47
33In Stock

Mfr. Part No.
DS1554WP-120IND+

Mouser Part No
700-DS1554WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

33In Stock

$51.47

$42.07

$39.26

$36.48

View

Min.: 1
Mult.: 1

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
169In Stock
490Expected 2026/08/19

Mfr. Part No.
MAX31343ETAY+

Mouser Part No
700-MAX31343ETAY+

Analog Devices / Maxim Integrated

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

Datasheet

169In Stock

490Expected 2026/08/19

$6.57

$5.04

$4.66

$4.24

View

Min.: 1
Mult.: 1

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 1024k NV SRAM with Phantom Clock

DS1248WP-120+
Analog Devices / Maxim Integrated
1: $62.42
3In Stock

Mfr. Part No.
DS1248WP-120+

Mouser Part No
700-DS1248WP-120

Analog Devices / Maxim Integrated

Real Time Clock 1024k NV SRAM with Phantom Clock

Datasheet

3In Stock

$62.42

$51.57

$47.76

$47.75

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

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

128 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

0 C

+ 70 C

DS1248WP

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: $11.68
5In Stock

Mfr. Part No.
RX-8803LCUB PURE SN BULK

Mouser Part No
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

$11.68

$8.40

$8.11

$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 No.
RX8900SA:UCB PURE SN

Mouser Part No
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
1: $85.39
320Expected 2026/09/07

Mfr. Part No.
DS1251WP-120IND+

Mouser Part No
700-DS1251WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock 4096k NV SRAM with Phantom Clock

Datasheet

320Expected 2026/09/07

$85.39

$71.12

$67.21

$64.41

View

Min.: 1
Mult.: 1

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 3.5ppm, I2C RTC with Integrated Crystal and Power Management

MAX31328NELB+
Analog Devices / Maxim Integrated
1: $5.88
2,890On Order

Mfr. Part No.
MAX31328NELB+

Mouser Part No
700-MAX31328NELB+

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

2,890On Order

$5.88

$4.50

$4.15

$3.77

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

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
2,963Expected 2026/08/04

Mfr. Part No.
MAX31329NELB+

Mouser Part No
700-MAX31329NELB+

Analog Devices / Maxim Integrated

Real Time Clock Integrated RC17 w/ NDK Crystal

Learn More

Datasheet

2,963Expected 2026/08/04

$4.61

$3.50

$3.22

$2.91

View

Min.: 1
Mult.: 1

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

Customer Service Office

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DS1244WP
DS1244YP
DS1248WP
DS1248Y
DS1251WP
DS1251YP
DS12885T
DS1554P
DS1554WP
DS1556P
DS1556WP
DS1557P
DS1557WP
DS1558W
DS1558Y
DS1744P
DS1744WP
DS1746P
DS1746WP
DS1747P