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0 C Real Time Clock

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Part #

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

DS1685-5+
Analog Devices / Maxim Integrated
1: $13.63
37In Stock

Mfr. Part No.
DS1685-5+

Mouser Part No
700-DS1685-5

Analog Devices / Maxim Integrated

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

Datasheet

37In Stock

$13.63

$10.36

$10.06

$8.87

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

242 B

PDIP-24

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1685

Through Hole

Tube

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

DS1685E-3+
Analog Devices / Maxim Integrated
1: $12.25
71In Stock

Mfr. Part No.
DS1685E-3+

Mouser Part No
700-DS1685E-3

Analog Devices / Maxim Integrated

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

Datasheet

71In Stock

$12.25

$9.58

$8.56

$8.18

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

242 B

TSSOP-24

Backup Switching

2.7 V

3.7 V

0 C

+ 70 C

DS1685E

SMD/SMT

Tube

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

DS1685E-5+
Analog Devices / Maxim Integrated
1: $12.33
33In Stock
434Expected 2026/07/30

Mfr. Part No.
DS1685E-5+

Mouser Part No
700-DS1685E-5

Analog Devices / Maxim Integrated

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

Datasheet

33In Stock

434Expected 2026/07/30

$12.33

$9.93

$8.92

$8.21

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

242 B

TSSOP-24

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1685E

SMD/SMT

Tube

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

DS1685S-3+
Analog Devices / Maxim Integrated
1: $12.29
90In Stock

Mfr. Part No.
DS1685S-3+

Mouser Part No
700-DS1685S-3

Analog Devices / Maxim Integrated

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

Datasheet

90In Stock

$12.29

$9.63

$8.92

$8.20

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

242 B

SO-24

Backup Switching

2.7 V

3.7 V

0 C

+ 70 C

DS1685S

SMD/SMT

Tube

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

DS1687-5+
Analog Devices / Maxim Integrated
1: $26.87
49In Stock
70Expected 2026/06/11

Mfr. Part No.
DS1687-5+

Mouser Part No
700-DS1687-5

Analog Devices / Maxim Integrated

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

Datasheet

49In Stock

70Expected 2026/06/11

$26.87

$21.11

$20.13

$18.69

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

242 B

EDIP-24

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS1687

Through Hole

Tube

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

DS17285S-5+
Analog Devices / Maxim Integrated
1: $17.58
59In Stock

Mfr. Part No.
DS17285S-5+

Mouser Part No
700-DS17285S-5

Analog Devices / Maxim Integrated

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

Datasheet

59In Stock

$17.58

$13.94

$12.97

$11.98

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

2 kB

SO-24

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS17285S

SMD/SMT

Tube

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

DS17287-5+
Analog Devices / Maxim Integrated
1: $31.26
11In Stock

Mfr. Part No.
DS17287-5+

Mouser Part No
700-DS17287-5

Analog Devices / Maxim Integrated

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

Datasheet

11In Stock

$31.26

$24.68

$23.61

$21.98

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

2 kB

EDIP-24

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS17287

Through Hole

Tube

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1746W-120+
Analog Devices / Maxim Integrated
1: $63.09
61In Stock

Mfr. Part No.
DS1746W-120+

Mouser Part No
700-DS1746W-120

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

61In Stock

$63.09

$51.92

$49.14

$46.88

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

EDIP-32

Integrated Battery

2.97 V

3.63 V

0 C

+ 70 C

DS1746W

Through Hole

Tube

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1747W-120+
Analog Devices / Maxim Integrated
1: $76.83
25In Stock

Mfr. Part No.
DS1747W-120+

Mouser Part No
700-DS1747W-120

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

25In Stock

$76.83

$63.58

$60.03

$57.10

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

0 C

+ 70 C

DS1747W

Through Hole

Tube

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

DS17885S-5+
Analog Devices / Maxim Integrated
1: $34.26
28In Stock

Mfr. Part No.
DS17885S-5+

Mouser Part No
700-DS17885S-5

Analog Devices / Maxim Integrated

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

Datasheet

28In Stock

$34.26

$27.76

$26.00

$24.39

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

8 kB

SO-24

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS17885S

SMD/SMT

Tube

Real Time Clock Extremely Accurate I C RTC with Integrat

DS3232S#
Analog Devices / Maxim Integrated
1: $14.33
146In Stock

Mfr. Part No.
DS3232S#

Mouser Part No
700-DS3232S#

Analog Devices / Maxim Integrated

Real Time Clock Extremely Accurate I C RTC with Integrat

Datasheet

146In Stock

$14.33

$12.03

$10.97

$10.28

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

236 B

SO-20

Backup Switching

2.3 V

5.5 V

0 C

+ 70 C

DS3232S

SMD/SMT

Tube

Real Time Clock Parallel RTC A 595-B Q4802LYPWR A 595-BQ A 595-BQ4802LYPWR

BQ4802LYPW
Texas Instruments
1: $9.61
68In Stock
End of Life

Mfr. Part No.
BQ4802LYPW

Mouser Part No
595-BQ4802LYPW

End of Life

Texas Instruments

Real Time Clock Parallel RTC A 595-B Q4802LYPWR A 595-BQ A 595-BQ4802LYPWR

Datasheet

68In Stock

$9.61

$7.77

$6.59

$6.27

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

16 B

TSSOP-28

Backup Switching

2.7 V

3.6 V

0 C

+ 70 C

BQ4802LY

SMD/SMT

Tube

Real Time Clock Parallel RTC

BQ4802YPW
Texas Instruments
1: $11.63
76In Stock
End of Life

Mfr. Part No.
BQ4802YPW

Mouser Part No
595-BQ4802YPW

End of Life

Texas Instruments

Real Time Clock Parallel RTC

Datasheet

76In Stock

$11.63

$9.12

$8.76

$8.52

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

16 B

TSSOP-28

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

BQ4802Y

SMD/SMT

Tube

Real Time Clock Real-Time Clocks

DS12885S+T&R
Analog Devices / Maxim Integrated
1: $13.54
484In Stock

Mfr. Part No.
DS12885S+T&R

Mouser Part No
700-DS12885ST&R

Analog Devices / Maxim Integrated

Real Time Clock Real-Time Clocks

Datasheet

484In Stock

Cut Tape

$13.54

$10.62

$9.90

$9.11

View

Reel

$8.25

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Multiplexed

YY-MM-DD-dd

HH:MM:SS (24 hr)

114 B

SO-24

4.5 V

5.5 V

0 C

+ 70 C

DS12885S

SMD/SMT

Reel, Cut Tape, MouseReel

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 3V/5V Real-Time Clocks

DS17485S-5+
Analog Devices / Maxim Integrated
1: $23.38
5In Stock

Mfr. Part No.
DS17485S-5+

Mouser Part No
700-DS17485S-5

Analog Devices / Maxim Integrated

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

Datasheet

5In Stock

$23.38

$18.68

$16.11

$15.83

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

4 kB

SO-24

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS17485S

SMD/SMT

Tube

Real Time Clock RTC IC with 114x8 NV SRAM

BQ3285S-SB2
Texas Instruments
1: $16.84
20In Stock
End of Life

Mfr. Part No.
BQ3285S-SB2

Mouser Part No
595-BQ3285S-SB2

End of Life

Texas Instruments

Real Time Clock RTC IC with 114x8 NV SRAM

Datasheet

20In Stock

$16.84

$13.37

$12.50

$11.90

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

114 B

SOIC-24

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

BQ3285

SMD/SMT

Tube

Real Time Clock Parallel RTC A 595-B Q4802YDWR A 595-BQ4 A 595-BQ4802YDWR

BQ4802YDW
Texas Instruments
1: $25.56
5In Stock
End of Life

Mfr. Part No.
BQ4802YDW

Mouser Part No
595-BQ4802YDW

End of Life

Texas Instruments

Real Time Clock Parallel RTC A 595-B Q4802YDWR A 595-BQ4 A 595-BQ4802YDWR

Datasheet

5In Stock

$25.56

$20.43

$18.12

$17.91

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

16 B

SOIC-28

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

BQ4802Y

SMD/SMT

Tube

Real Time Clock 64k NV SRAM with Phantom Clock

DS1243Y-120+
Analog Devices / Maxim Integrated
1: $46.44
1,791On Order

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

1,791On Order

$46.44

$42.62

$40.19

$39.33

$38.77

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

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

DS1501WZ+
Analog Devices / Maxim Integrated
1: $16.26
45Expected 2026/05/25

Mfr. Part No.
DS1501WZ+

Mouser Part No
700-DS1501WZ

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

Datasheet

45Expected 2026/05/25

$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

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

DS1511W+
Analog Devices / Maxim Integrated
1: $37.15
54Expected 2026/06/22

Mfr. Part No.
DS1511W+

Mouser Part No
700-DS1511W

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

Datasheet

54Expected 2026/06/22

$37.15

$29.18

$26.54

$25.47

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

EDIP-28

Backup Switching

3 V

3.6 V

0 C

+ 70 C

DS1511W

Through Hole

Tube

Real Time Clock 256K (32Kx8) 70ns

M48T37Y-70MH1F
STMicroelectronics
1: $18.67
29In Stock

Mfr. Part No.
M48T37Y-70MH1F

Mouser Part No
511-M48T37Y-70MH1F

STMicroelectronics

Real Time Clock 256K (32Kx8) 70ns

Datasheet

29In Stock

Cut Tape

$18.67

$15.87

$14.83

$13.27

View

Reel

$12.26

MouseReel Available

Min.: 1
Mult.: 1

: 936

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 kB

SOIC-44

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

M48T37Y

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 256k NV SRAM with Phantom Clock

DS1244W-120+
Analog Devices / Maxim Integrated
1: $50.59
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
DS1244W-120+

Mouser Part No
700-DS1244W-120

Analog Devices / Maxim Integrated

Real Time Clock 256k NV SRAM with Phantom Clock

Datasheet

Non-Stocked Lead-Time 10 Weeks

$50.59

$46.43

$43.78

$42.83

View

Min.: 1
Mult.: 1

Phantom Clock

YY-MM-DD-dd

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

256 kB

EDIP-28

Integrated Battery

3.3 V

5 V

0 C

+ 70 C

DS1244W

Through Hole

Tube

Real Time Clock 256k NV SRAM with Phantom Clock

DS1244WP-120+
Analog Devices / Maxim Integrated
40: $42.38
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
DS1244WP-120+

Mouser Part No
700-DS1244WP-120

Analog Devices / Maxim Integrated

Real Time Clock 256k NV SRAM with Phantom Clock

Datasheet

Non-Stocked Lead-Time 10 Weeks

$42.38

$42.37

$40.82

View

Min.: 40
Mult.: 40

Parallel

YY-MM-DD-dd

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

32 kB

PowerCap Module-34

2.97 V

3.63 V

0 C

+ 70 C

DS1244WP

SMD/SMT

Tray

Real Time Clock 256k NV SRAM with Phantom Clock

DS1244YP-70+
Analog Devices / Maxim Integrated
40: $43.50
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
DS1244YP-70+

Mouser Part No
700-DS1244YP-70

Analog Devices / Maxim Integrated

Real Time Clock 256k NV SRAM with Phantom Clock

Datasheet

Non-Stocked Lead-Time 10 Weeks

$43.50

$43.48

$41.91

Quote

Min.: 40
Mult.: 40

Parallel

YY-MM-DD-dd

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

32 kB

PowerCap Module-34

4.5 V

5.5 V

0 C

+ 70 C

DS1244YP

SMD/SMT

Tray

0 C Real Time Clock

Customer Service Office

Company

Resources

Support

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