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0 C Real Time Clock

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Part #

Real Time Clock 64K (8Kx8) 100ns

M48T08Y-10MH1F
STMicroelectronics
1: CHF 32.61
997In Stock

Mfr. Part No.
M48T08Y-10MH1F

Mouser Part No
511-M48T08Y-10MH1F

STMicroelectronics

Real Time Clock 64K (8Kx8) 100ns

Datasheet

997In Stock

Cut Tape

CHF 32.61

CHF 26.41

CHF 24.85

CHF 23.81

View

Reel

CHF 20.95

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

M48T08Y

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 64K (8Kx8) 100ns

M48T08-100PC1
STMicroelectronics
1: CHF 28.82
1’519In Stock

Mfr. Part No.
M48T08-100PC1

Mouser Part No
511-M48T0810PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 100ns

Datasheet

1’519In Stock

CHF 28.82

CHF 23.34

CHF 21.96

CHF 21.05

CHF 19.74

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 64K (8Kx8) 150ns

M48T18-150PC1
STMicroelectronics
1: CHF 39.46
416In Stock

Mfr. Part No.
M48T18-150PC1

Mouser Part No
511-M48T1815PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 150ns

Datasheet

416In Stock

CHF 39.46

CHF 32.00

CHF 30.05

CHF 27.85

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

M48T18

Through Hole

Tube

Real Time Clock 256K (32Kx8) 70ns

M48T35-70PC1
STMicroelectronics
1: CHF 43.26
295In Stock

Mfr. Part No.
M48T35-70PC1

Mouser Part No
511-M48T3570PC1

STMicroelectronics

Real Time Clock 256K (32Kx8) 70ns

Datasheet

295In Stock

CHF 43.26

CHF 35.20

CHF 33.08

CHF 31.52

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 256K (32Kx8) 70ns

M48T35Y-70MH1F
STMicroelectronics
1: CHF 19.10
972In Stock

Mfr. Part No.
M48T35Y-70MH1F

Mouser Part No
511-M48T35Y-70MH1F

STMicroelectronics

Real Time Clock 256K (32Kx8) 70ns

Datasheet

972In Stock

Cut Tape

CHF 19.10

CHF 15.27

CHF 14.31

CHF 13.27

View

Reel

CHF 11.81

MouseReel Available

Min.: 1
Mult.: 1

: 936

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 kB

SOX-28

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

M48T35Y

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1746WP-120+
Analog Devices / Maxim Integrated
1: CHF 45.63
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

CHF 45.63

CHF 39.08

CHF 36.55

CHF 35.25

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 Serial Alarm Real-Time Clock

DS1306N+
Analog Devices / Maxim Integrated
1: CHF 9.58
235In Stock

Mfr. Part No.
DS1306N+

Mouser Part No
700-DS1306N

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

235In Stock

CHF 9.58

CHF 7.51

CHF 6.88

CHF 6.36

View

Min.: 1
Mult.: 1

Serial 3-Wire, SPI

YY-MM-DD

HH:MM:SS (24 hr)

96 B

DIP-16

Backup Switching

2 V

5.5 V

0 C

+ 70 C

DS1306N

Through Hole

Tube

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744WP-120+
Analog Devices / Maxim Integrated
1: CHF 39.90
49In 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

49In Stock

CHF 39.90

CHF 34.42

CHF 30.39

CHF 30.38

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 Y2K-Compliant, Nonvolatile Timekeeping R

DS1744P-70+
Analog Devices / Maxim Integrated
1: CHF 38.51
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

CHF 38.51

CHF 32.93

CHF 30.99

CHF 30.98

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

0 C

+ 70 C

DS1744P

SMD/SMT

Tray

Real Time Clock Phantom Time Chip

DS1315S-33+
Analog Devices / Maxim Integrated
1: CHF 27.27
65In Stock

Mfr. Part No.
DS1315S-33+

Mouser Part No
700-DS1315S-33

Analog Devices / Maxim Integrated

Real Time Clock Phantom Time Chip

Datasheet

65In Stock

CHF 27.27

CHF 22.07

CHF 20.43

CHF 19.43

View

Min.: 1
Mult.: 1

Phantom Clock

YY-MM-DD-dd

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

8 B

SO-16

Backup Switching

3 V

3.6 V

0 C

+ 70 C

DS1315S

SMD/SMT

Tube

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

DS1511Y+
Analog Devices / Maxim Integrated
1: CHF 29.82
102In Stock

Mfr. Part No.
DS1511Y+

Mouser Part No
700-DS1511Y

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

Datasheet

102In Stock

CHF 29.82

CHF 24.10

CHF 20.95

CHF 20.85

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

EDIP-28

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1511Y

Through Hole

Tube

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

DS1556W-120+
Analog Devices / Maxim Integrated
1: CHF 49.42
39In Stock

Mfr. Part No.
DS1556W-120+

Mouser Part No
700-DS1556W-120

Analog Devices / Maxim Integrated

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

Datasheet

39In Stock

CHF 49.42

CHF 44.41

CHF 42.06

CHF 40.05

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

Integrated Battery

2.97 V

3.63 V

0 C

+ 70 C

DS1556W

Through Hole

Tube

Real Time Clock 3V/5V Real-Time Clocks

DS17887-5+
Analog Devices / Maxim Integrated
1: CHF 30.37
74In Stock

Mfr. Part No.
DS17887-5+

Mouser Part No
700-DS17887-5

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clocks

Datasheet

74In Stock

CHF 30.37

CHF 25.66

CHF 24.52

CHF 23.01

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

8 kB

EDIP-24

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS17887

Through Hole

Tube

Real Time Clock Trickle-Charge Timekeeping Chip

DS1302S+T&R
Analog Devices / Maxim Integrated
1: CHF 3.73
1’803In Stock

Mfr. Part No.
DS1302S+T&R

Mouser Part No
700-DS1302ST&R

Analog Devices / Maxim Integrated

Real Time Clock Trickle-Charge Timekeeping Chip

Learn More

Datasheet

1’803In Stock

Cut Tape

CHF 3.73

CHF 3.19

CHF 3.03

CHF 2.85

View

Reel

CHF 2.53

MouseReel Available

Min.: 1
Mult.: 1

: 2’000

Serial 3-Wire

YY-MM-DD-dd

HH:MM:SS (24 hr)

31 B

SOIC-8

Backup Switching

2 V

5.5 V

0 C

+ 70 C

DS1302S

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 3V/5V Real-Time Clock

DS1687-3+
Analog Devices / Maxim Integrated
1: CHF 22.04
78In Stock

Mfr. Part No.
DS1687-3+

Mouser Part No
700-DS1687-3

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clock

Datasheet

78In Stock

CHF 22.04

CHF 17.31

CHF 16.53

CHF 15.32

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

242 B

EDIP-24

Integrated Battery

2.7 V

3.7 V

0 C

+ 70 C

DS1687

Through Hole

Tube

Real Time Clock 256K (32Kx8) 100ns

M48T37V-10MH1F
STMicroelectronics
1: CHF 18.44
360In Stock

Mfr. Part No.
M48T37V-10MH1F

Mouser Part No
511-M48T37V-10MH1F

STMicroelectronics

Real Time Clock 256K (32Kx8) 100ns

Datasheet

360In Stock

Cut Tape

CHF 18.44

CHF 14.76

CHF 13.70

CHF 12.90

Reel

CHF 12.43

View

MouseReel Available

Min.: 1
Mult.: 1

: 936

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 kB

SOIC-44

Backup Switching

3 V

3.6 V

0 C

+ 70 C

M48T37V

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

DS1554P-70+
Analog Devices / Maxim Integrated
1: CHF 37.69
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

CHF 37.69

CHF 30.79

CHF 28.80

CHF 27.44

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 3V/5V Real-Time Clocks

DS17487-5+
Analog Devices / Maxim Integrated
1: CHF 25.51
51In Stock

Mfr. Part No.
DS17487-5+

Mouser Part No
700-DS17487-5

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clocks

Datasheet

51In Stock

CHF 25.51

CHF 21.13

CHF 20.01

CHF 18.89

CHF 17.98

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

4 kB

EDIP-24

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS17487

Through Hole

Tube

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

DS1556-70+
Analog Devices / Maxim Integrated
1: CHF 60.94
16In Stock

Mfr. Part No.
DS1556-70+

Mouser Part No
700-DS1556-70

Analog Devices / Maxim Integrated

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

Datasheet

16In Stock

CHF 60.94

CHF 48.56

CHF 47.52

CHF 44.57

View

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

DS1556

Through Hole

Tube

Real Time Clock 3V/5V Real-Time Clocks

DS17287-3+
Analog Devices / Maxim Integrated
1: CHF 24.78
54In Stock

Mfr. Part No.
DS17287-3+

Mouser Part No
700-DS17287-3

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clocks

Datasheet

54In Stock

CHF 24.78

CHF 19.56

CHF 18.71

CHF 17.42

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 kB

EDIP-24

Backup Switching

2.7 V

3.7 V

0 C

+ 70 C

DS17287

Through Hole

Tube

Real Time Clock w/242x8 NVSRAM Alarm Wake-up

BQ3285ES
Texas Instruments
1: CHF 13.81
87In Stock
End of Life

Mfr. Part No.
BQ3285ES

Mouser Part No
595-BQ3285ES

End of Life

Texas Instruments

Real Time Clock w/242x8 NVSRAM Alarm Wake-up

Datasheet

87In Stock

CHF 13.81

CHF 10.98

CHF 10.19

CHF 9.43

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

HH:MM:SS (24 hr)

242 B

SOIC-24

4.5 V

5.5 V

0 C

+ 70 C

BQ3285E

SMD/SMT

Tube

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

DS1556P-70+
Analog Devices / Maxim Integrated
1: CHF 54.85
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

CHF 54.85

CHF 45.31

CHF 41.78

CHF 40.36

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 16K (2Kx8) 150ns

M48T12-150PC1
STMicroelectronics
1: CHF 33.65
555In Stock

Mfr. Part No.
M48T12-150PC1

Mouser Part No
511-M48T1215PC1

STMicroelectronics

Real Time Clock 16K (2Kx8) 150ns

Datasheet

555In Stock

CHF 33.65

CHF 26.89

CHF 25.80

CHF 24.63

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) 70ns

M48T58Y-70MH1F
STMicroelectronics
1: CHF 18.55
1’040In Stock

Mfr. Part No.
M48T58Y-70MH1F

Mouser Part No
511-M48T58Y-70MH1F

STMicroelectronics

Real Time Clock 64K (8Kx8) 70ns

Datasheet

1’040In Stock

Cut Tape

CHF 18.55

CHF 14.83

CHF 13.90

CHF 12.89

View

Reel

CHF 11.35

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 NV SRAM with Phantom Clock

DS1243Y-120+
Analog Devices / Maxim Integrated
1: CHF 37.29
1’002In Stock
756Expected 9/3/2026

Mfr. Part No.
DS1243Y-120+

Mouser Part No
700-DS1243Y-120

Analog Devices / Maxim Integrated

Real Time Clock 64k NV SRAM with Phantom Clock

Datasheet

1’002In Stock

756Expected 9/3/2026

CHF 37.29

CHF 34.22

CHF 32.27

CHF 31.58

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

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

8 kB

EDIP-28

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS1243Y

Through Hole

Tube

0 C Real Time Clock

Customer Service Office

Company

Resources

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DFN-16
DIP-16
EDIP-24
EDIP-28
EDIP-32
PCDIP-24
PCDIP-28
PDIP-24
PDIP-8
PowerCap Module-34
SO-16
SO-20
SO-24
SO-28
SOIC-16
SOIC-24
SOIC-28
SOIC-44
SOIC-8
SOX-28

BQ3285
BQ3285E
BQ4802LY
BQ4802Y
DS1243Y
DS1244W
DS1244WP
DS1244Y
DS1244YP
DS1248WP
DS1248Y
DS1251WP
DS1251Y
DS12885
DS12885S
DS12885T
DS12887
DS12887A
DS12C887
DS12C887A