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Parallel Real Time Clock

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Part #

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

$52.49

$51.31

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 4096k NV SRAM with Phantom Clock

DS1251WP-120+
Analog Devices / Maxim Integrated
1: $75.61
32In Stock

Mfr. Part No.
DS1251WP-120+

Mouser Part No
700-DS1251WP-120

Analog Devices / Maxim Integrated

Real Time Clock 4096k NV SRAM with Phantom Clock

Datasheet

32In Stock

$75.61

$62.45

$59.16

$56.50

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

2.97 V

3.63 V

0 C

+ 70 C

DS1251WP

SMD/SMT

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1746-70+
Analog Devices / Maxim Integrated
1: $64.37
327In Stock

Mfr. Part No.
DS1746-70+

Mouser Part No
700-DS1746-70

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

327In Stock

$64.37

$53.03

$50.04

$47.62

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

EDIP-32

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS1746

Through Hole

Tube

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1747-70+
Analog Devices / Maxim Integrated
1: $79.87
273In Stock

Mfr. Part No.
DS1747-70+

Mouser Part No
700-DS1747-70

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

273In Stock

$79.87

$66.41

$62.48

$59.16

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

512 kB

EDIP-32

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS1747

Through Hole

Tube

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1747W-120IND+
Analog Devices / Maxim Integrated
1: $79.69
568In Stock

Mfr. Part No.
DS1747W-120IND+

Mouser Part No
700-DS1747W-120IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

568In Stock

$79.69

$67.91

$63.87

$60.69

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

512 kB

EDIP-32

Integrated Battery

2.97 V

3.63 V

- 40 C

+ 85 C

DS1747W

Through Hole

Tube

Real Time Clock 64K (8Kx8) 100ns

M48T08-100PC1
STMicroelectronics
1: $32.73
1,579In Stock

Mfr. Part No.
M48T08-100PC1

Mouser Part No
511-M48T0810PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 100ns

Datasheet

1,579In Stock

$32.73

$26.49

$24.90

$23.60

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 kB

PCDIP-28

Integrated Battery

4.75 V

5.5 V

0 C

+ 70 C

M48T08

Through Hole

Tube

Real Time Clock 256k NV SRAM with Phantom Clock

DS1244Y-70+
Analog Devices / Maxim Integrated
1: $52.64
53In Stock
84Expected 2026/06/26

Mfr. Part No.
DS1244Y-70+

Mouser Part No
700-DS1244Y-70

Analog Devices / Maxim Integrated

Real Time Clock 256k NV SRAM with Phantom Clock

Datasheet

53In Stock

84Expected 2026/06/26

$52.64

$48.30

$45.54

$44.55

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

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

32 kB

EDIP-28

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS1244Y

Through Hole

Tube

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

DS1501YN+
Analog Devices / Maxim Integrated
1: $20.89
162In Stock

Mfr. Part No.
DS1501YN+

Mouser Part No
700-DS1501YN

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

Datasheet

162In Stock

$20.89

$16.25

$15.47

$14.67

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

PDIP-28

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1501YN

Through Hole

Tube

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

DS1501YZN+
Analog Devices / Maxim Integrated
1: $23.19
380In Stock

Mfr. Part No.
DS1501YZN+

Mouser Part No
700-DS1501YZN

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

Datasheet

380In Stock

$23.19

$18.55

$17.39

$16.61

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

SO-28

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1501YZN+

SMD/SMT

Tube

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

DS1554-70IND+
Analog Devices / Maxim Integrated
1: $57.55
173In Stock

Mfr. Part No.
DS1554-70IND+

Mouser Part No
700-DS1554-70IND

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

173In Stock

$57.55

$47.08

$44.18

$43.21

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

EDIP-32

Integrated Battery

4.5 V

5.5 V

- 40 C

+ 85 C

DS1554

Through Hole

Tube

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744-70+
Analog Devices / Maxim Integrated
1: $59.06
150In Stock

Mfr. Part No.
DS1744-70+

Mouser Part No
700-DS1744-70

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

150In Stock

$59.06

$48.18

$46.22

$44.05

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

EDIP-28

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS1744

Through Hole

Tube

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744P-70+
Analog Devices / Maxim Integrated
1: $54.92
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

$54.92

$45.01

$41.75

$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

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 16K (2Kx8) 150ns

M48T02-150PC1
STMicroelectronics
1: $26.43
744In Stock

Mfr. Part No.
M48T02-150PC1

Mouser Part No
511-M48T0215PC1

STMicroelectronics

Real Time Clock 16K (2Kx8) 150ns

Datasheet

744In Stock

$26.43

$20.78

$19.81

$18.56

$18.54

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 kB

PCDIP-24

Integrated Battery

4.75 V

5.5 V

0 C

+ 70 C

M48T02

Through Hole

Tube

Real Time Clock 16K (2Kx8) 70ns

M48T02-70PC1
STMicroelectronics
1: $26.81
238In Stock

Mfr. Part No.
M48T02-70PC1

Mouser Part No
511-M48T0270PC1

STMicroelectronics

Real Time Clock 16K (2Kx8) 70ns

Datasheet

238In Stock

$26.81

$21.07

$20.09

$18.61

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 kB

PCDIP-24

Integrated Battery

4.75 V

5.5 V

0 C

+ 70 C

M48T02

Through Hole

Tube

Real Time Clock 64K (8Kx8) 150ns

M48T08-150PC1
STMicroelectronics
1: $33.72
452In Stock

Mfr. Part No.
M48T08-150PC1

Mouser Part No
511-M48T0815PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 150ns

Datasheet

452In Stock

$33.72

$27.00

$25.24

$24.19

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 kB

PCDIP-28

Integrated Battery

4.75 V

5.5 V

0 C

+ 70 C

M48T08

Through Hole

Tube

Real Time Clock 16K (2Kx8) 150ns

M48T12-150PC1
STMicroelectronics
1: $38.52
379In Stock

Mfr. Part No.
M48T12-150PC1

Mouser Part No
511-M48T1215PC1

STMicroelectronics

Real Time Clock 16K (2Kx8) 150ns

Datasheet

379In Stock

$38.52

$30.68

$29.40

$27.96

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 kB

PCDIP-24

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

M48T12

Through Hole

Tube

Real Time Clock 16K (2Kx8) 70ns

M48T12-70PC1
STMicroelectronics
1: $37.15
416In Stock

Mfr. Part No.
M48T12-70PC1

Mouser Part No
511-M48T1270PC1

STMicroelectronics

Real Time Clock 16K (2Kx8) 70ns

Datasheet

416In Stock

$37.15

$29.75

$28.31

$27.17

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 kB

PCDIP-24

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

M48T12

Through Hole

Tube

Real Time Clock 64K (8Kx8) 150ns

M48T18-150PC1
STMicroelectronics
1: $44.01
426In Stock

Mfr. Part No.
M48T18-150PC1

Mouser Part No
511-M48T1815PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 150ns

Datasheet

426In Stock

$44.01

$35.55

$33.33

$32.31

$31.92

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 kB

PCDIP-28

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

M48T18

Through Hole

Tube

Real Time Clock 256K (32Kx8) 70ns

M48T35-70PC1
STMicroelectronics
1: $47.29
396In Stock

Mfr. Part No.
M48T35-70PC1

Mouser Part No
511-M48T3570PC1

STMicroelectronics

Real Time Clock 256K (32Kx8) 70ns

Datasheet

396In Stock

$47.29

$35.34

$33.96

$32.87

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PCDIP-28

Integrated Battery

4.75 V

5.5 V

0 C

+ 70 C

M48T35

Through Hole

Tube

Real Time Clock 64K (8Kx8) 70ns

M48T58Y-70MH1F
STMicroelectronics
1: $23.40
224In Stock
936Expected 2026/06/25

Mfr. Part No.
M48T58Y-70MH1F

Mouser Part No
511-M48T58Y-70MH1F

STMicroelectronics

Real Time Clock 64K (8Kx8) 70ns

Datasheet

224In Stock

936Expected 2026/06/25

Cut Tape

$23.40

$18.70

$17.54

$16.25

View

Reel

$15.26

MouseReel Available

Min.: 1
Mult.: 1

: 936

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

64 kB

SOX-28

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

M48T58Y

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 64K (8Kx8) 70ns

M48T58Y-70PC1
STMicroelectronics
1: $32.91
318In Stock

Mfr. Part No.
M48T58Y-70PC1

Mouser Part No
511-M48T58Y70PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 70ns

Datasheet

318In Stock

$32.91

$27.18

$25.48

$24.32

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 kB

PCDIP-28

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

M48T58Y

Through Hole

Tube

Real Time Clock Real Time Clock A 92 6-DP8573AVX/NOPB A A 926-DP8573AVX/NOPB

DP8573AV/NOPB
Texas Instruments
1: $31.28
77In Stock

Mfr. Part No.
DP8573AV/NOPB

Mouser Part No
926-DP8573AV/NOPB

Texas Instruments

Real Time Clock Real Time Clock A 92 6-DP8573AVX/NOPB A A 926-DP8573AVX/NOPB

Datasheet

77In Stock

$31.28

$28.66

$26.97

$24.34

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

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

32 B

PLCC-28

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DP8573A

SMD/SMT

Tube

Real Time Clock 4096k NV SRAM with Phantom Clock

DS1251W-120IND+
Analog Devices / Maxim Integrated
1: $71.47
2In Stock

Mfr. Part No.
DS1251W-120IND+

Mouser Part No
700-DS1251W-120IND

Analog Devices / Maxim Integrated

Real Time Clock 4096k NV SRAM with Phantom Clock

Datasheet

2In Stock

$71.47

$65.94

$62.17

$60.59

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

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

512 kB

EDIP-32

2.97 V

3.63 V

- 40 C

+ 85 C

DS1251W

Through Hole

Tube

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

DS1501WZ+
Analog Devices / Maxim Integrated
1: $16.26
45In Stock

Mfr. Part No.
DS1501WZ+

Mouser Part No
700-DS1501WZ

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

Datasheet

45In Stock

$16.26

$13.50

$12.40

$11.87

View

Min.: 1
Mult.: 1

Parallel

YYYY-MM-DD

HH:MM:SS (24 hr)

256 B

SO-28

3 V

3.6 V

0 C

+ 70 C

DS1501WZ+

SMD/SMT

Tube

Parallel Real Time Clock

Customer Service Office

Company

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BQ4802LY
BQ4802Y
DP8570A
DP8573A
DS1243Y
DS1244W
DS1244WP
DS1244Y
DS1244YP
DS1248WP
DS1248Y
DS1251W
DS1251WP
DS1251YP
DS1315S
DS1501WZ+
DS1501WZN+
DS1501YN
DS1501YZ+
DS1501YZN+