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0 C Real Time Clock

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Part #

Real Time Clock 64K (8Kx8) 100ns

M48T08Y-10MH1F
STMicroelectronics
1: $41.14
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

$41.14

$33.31

$31.34

$30.03

View

Reel

$26.42

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: $36.36
1,519In Stock

Mfr. Part No.
M48T08-100PC1

Mouser Part No
511-M48T0810PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 100ns

Datasheet

1,519In Stock

$36.36

$29.44

$27.70

$26.55

$24.90

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: $49.78
416In Stock

Mfr. Part No.
M48T18-150PC1

Mouser Part No
511-M48T1815PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 150ns

Datasheet

416In Stock

$49.78

$40.37

$37.90

$35.13

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: $54.57
295In Stock

Mfr. Part No.
M48T35-70PC1

Mouser Part No
511-M48T3570PC1

STMicroelectronics

Real Time Clock 256K (32Kx8) 70ns

Datasheet

295In Stock

$54.57

$44.40

$41.73

$39.76

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: $24.10
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

$24.10

$19.26

$18.05

$16.74

View

Reel

$14.90

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: $57.56
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

$57.56

$49.30

$46.10

$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 Serial Alarm Real-Time Clock

DS1306N+
Analog Devices / Maxim Integrated
1: $12.08
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

$12.08

$9.47

$8.68

$8.02

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: $50.33
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

$50.33

$43.41

$38.33

$38.32

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: $48.58
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

$48.58

$41.54

$39.09

$39.08

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: $34.40
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

$34.40

$27.84

$25.77

$24.50

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: $37.61
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

$37.61

$30.40

$26.42

$26.30

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: $62.34
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

$62.34

$56.02

$53.06

$50.52

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: $38.31
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

$38.31

$32.37

$30.92

$29.03

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: $4.71
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

$4.71

$4.02

$3.83

$3.59

View

Reel

$3.19

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: $27.80
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

$27.80

$21.83

$20.85

$19.33

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: $23.26
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

$23.26

$18.62

$17.28

$16.27

Reel

$15.68

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: $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 3V/5V Real-Time Clocks

DS17487-5+
Analog Devices / Maxim Integrated
1: $32.18
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

$32.18

$26.66

$25.24

$23.83

$22.68

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: $76.87
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

$76.87

$61.26

$59.94

$56.22

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: $31.26
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

$31.26

$24.68

$23.60

$21.97

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: $17.42
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

$17.42

$13.85

$12.85

$11.90

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: $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

$52.70

$50.90

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: $42.45
555In Stock

Mfr. Part No.
M48T12-150PC1

Mouser Part No
511-M48T1215PC1

STMicroelectronics

Real Time Clock 16K (2Kx8) 150ns

Datasheet

555In Stock

$42.45

$33.91

$32.54

$31.06

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: $23.40
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

$23.40

$18.71

$17.54

$16.26

View

Reel

$14.32

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: $47.03
1,002In Stock
756Expected 2026/09/03

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 2026/09/03

$47.03

$43.17

$40.71

$39.83

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

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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