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0 C Real Time Clock

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Part #

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

BQ3285ES
Texas Instruments
1: $17.46
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

$17.46

$13.97

$11.87

$11.19

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 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 Serial Alarm Real-Time Clock

DS1306E+T&R
Analog Devices / Maxim Integrated
1: $8.22
3,160In Stock

Mfr. Part No.
DS1306E+T&R

Mouser Part No
700-DS1306ET&R

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

3,160In Stock

Cut Tape

$8.22

$6.34

$5.87

$5.35

View

Reel

$4.56

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Serial 3-Wire, SPI

YY-MM-DD

HH:MM:SS (24 hr)

96 B

TSSOP-20

Backup Switching

2 V

5.5 V

0 C

+ 70 C

DS1306E

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 64 x 8, Serial, I C Real-Time Clock

DS1307Z+T&R
Analog Devices / Maxim Integrated
1: $5.42
13,848In Stock

Mfr. Part No.
DS1307Z+T&R

Mouser Part No
700-DS1307ZT&R

Analog Devices / Maxim Integrated

Real Time Clock 64 x 8, Serial, I C Real-Time Clock

Learn More

Datasheet

13,848In Stock

Cut Tape

$5.42

$4.14

$3.77

$3.47

View

Reel

$3.06

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

I2C

YY-MM-DD

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

56 B

SOIC-8

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1307Z

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1746-70+
Analog Devices / Maxim Integrated
1: $64.37
329In 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

329In 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
298In 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

298In 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 16K (2Kx8) 150ns

M48T02-150PC1
STMicroelectronics
1: $26.43
783In Stock

Mfr. Part No.
M48T02-150PC1

Mouser Part No
511-M48T0215PC1

STMicroelectronics

Real Time Clock 16K (2Kx8) 150ns

Datasheet

783In 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 64K (8Kx8) 100ns

M48T08-100PC1
STMicroelectronics
1: $32.73
1,605In Stock

Mfr. Part No.
M48T08-100PC1

Mouser Part No
511-M48T0810PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 100ns

Datasheet

1,605In 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 (32Kx8) 70ns

M48T35Y-70PC1
STMicroelectronics
1: $44.74
506In Stock

Mfr. Part No.
M48T35Y-70PC1

Mouser Part No
511-M48T35Y70PC1

STMicroelectronics

Real Time Clock 256K (32Kx8) 70ns

Datasheet

506In Stock

$44.74

$36.13

$34.08

$32.37

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PCDIP-28

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

M48T35Y

Through Hole

Tube

Real Time Clock 256k NV SRAM with Phantom Clock

DS1244Y-70+
Analog Devices / Maxim Integrated
1: $52.64
45In Stock

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

45In Stock

$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 1024k NV SRAM with Phantom Clock

DS1248Y-70+
Analog Devices / Maxim Integrated
1: $58.08
71In Stock

Mfr. Part No.
DS1248Y-70+

Mouser Part No
700-DS1248Y-70

Analog Devices / Maxim Integrated

Real Time Clock 1024k NV SRAM with Phantom Clock

Datasheet

71In Stock

$58.08

$53.61

$50.57

$49.29

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

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

128 kB

EDIP-32

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS1248Y

Through Hole

Tube

Real Time Clock 4096k NV SRAM with Phantom Clock

DS1251Y-70+
Analog Devices / Maxim Integrated
1: $58.29
53In Stock

Mfr. Part No.
DS1251Y-70+

Mouser Part No
700-DS1251Y-70

Analog Devices / Maxim Integrated

Real Time Clock 4096k NV SRAM with Phantom Clock

Datasheet

53In Stock

$58.29

$53.82

$50.76

$49.47

Min.: 1
Mult.: 1

Parallel, Phantom Clock

YY-MM-DD-dd

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

4 MB

EDIP-32

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS1251Y

Through Hole

Tube

Real Time Clock Real-Time Clocks

DS12887+
Analog Devices / Maxim Integrated
1: $19.38
629In Stock
1,162Expected 2026/08/11

Mfr. Part No.
DS12887+

Mouser Part No
700-DS12887

Analog Devices / Maxim Integrated

Real Time Clock Real-Time Clocks

Datasheet

629In Stock

1,162Expected 2026/08/11

$19.38

$15.04

$14.33

$13.27

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

114 B

EDIP-24

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS12887

Through Hole

Tube

Real Time Clock Real-Time Clocks

DS12887A+
Analog Devices / Maxim Integrated
1: $18.42
633In Stock

Mfr. Part No.
DS12887A+

Mouser Part No
700-DS12887A

Analog Devices / Maxim Integrated

Real Time Clock Real-Time Clocks

Datasheet

633In Stock

$18.42

$14.30

$13.62

$12.62

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

114 B

EDIP-24

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS12887A

Through Hole

Tube

Real Time Clock Trickle-Charge Timekeeping Chip

DS1302+
Analog Devices / Maxim Integrated
1: $6.54
884In Stock

Mfr. Part No.
DS1302+

Mouser Part No
700-DS1302

Analog Devices / Maxim Integrated

Real Time Clock Trickle-Charge Timekeeping Chip

Learn More

Datasheet

884In Stock

$6.54

$5.00

$4.50

$4.20

View

Min.: 1
Mult.: 1

Serial 3-Wire

YY-MM-DD-dd

HH:MM:SS (24 hr)

31 B

PDIP-8

Backup Switching

2 V

5.5 V

0 C

+ 70 C

DS1302

Through Hole

Tube

Real Time Clock Trickle-Charge Timekeeping Chip

DS1302Z+T&R
Analog Devices / Maxim Integrated
1: $5.44
2,533In Stock

Mfr. Part No.
DS1302Z+T&R

Mouser Part No
700-DS1302ZT&R

Analog Devices / Maxim Integrated

Real Time Clock Trickle-Charge Timekeeping Chip

Learn More

Datasheet

2,533In Stock

Cut Tape

$5.44

$4.14

$3.83

$3.47

View

Reel

$3.11

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

DS1302Z

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial Alarm Real-Time Clock

DS1305+
Analog Devices / Maxim Integrated
1: $11.19
673In Stock

Mfr. Part No.
DS1305+

Mouser Part No
700-DS1305

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

673In Stock

$11.19

$8.76

$8.12

$7.45

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

DS1305

Through Hole

Tube

Real Time Clock Serial Alarm Real-Time Clock

DS1305E+T&R
Analog Devices / Maxim Integrated
1: $8.93
1,598In Stock

Mfr. Part No.
DS1305E+T&R

Mouser Part No
700-DS1305ET&R

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

1,598In Stock

Cut Tape

$8.93

$6.93

$6.42

$5.86

View

Reel

$5.12

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Serial 3-Wire, SPI

YY-MM-DD

HH:MM:SS (24 hr)

96 B

TSSOP-20

Backup Switching

2 V

5.5 V

0 C

+ 70 C

DS1305E

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial Alarm Real-Time Clock

DS1306E+
Analog Devices / Maxim Integrated
1: $9.41
2,172In Stock

Mfr. Part No.
DS1306E+

Mouser Part No
700-DS1306E

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

2,172In Stock

$9.41

$7.33

$6.38

$6.13

View

Min.: 1
Mult.: 1

Serial 3-Wire, SPI

YY-MM-DD

HH:MM:SS (24 hr)

96 B

TSSOP-20

Backup Switching

2 V

5.5 V

0 C

+ 70 C

DS1306E

SMD/SMT

Tube

Real Time Clock Serial Alarm Real-Time Clock

DS1306N+
Analog Devices / Maxim Integrated
1: $12.10
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

$12.10

$9.47

$8.82

$8.09

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 64 x 8, Serial, I C Real-Time Clock

DS1307+
Analog Devices / Maxim Integrated
1: $6.86
1,744In Stock

Mfr. Part No.
DS1307+

Mouser Part No
700-DS1307

Analog Devices / Maxim Integrated

Real Time Clock 64 x 8, Serial, I C Real-Time Clock

Learn More

Datasheet

1,744In Stock

$6.86

$5.05

$4.68

$4.44

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD

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

56 B

PDIP-8

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1307

Through Hole

Tube

Real Time Clock Phantom Time Chip

DS1315S-5+
Analog Devices / Maxim Integrated
1: $35.06
63In Stock

Mfr. Part No.
DS1315S-5+

Mouser Part No
700-DS1315S-5

Analog Devices / Maxim Integrated

Real Time Clock Phantom Time Chip

Datasheet

63In Stock

$35.06

$28.41

$26.11

$24.83

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

4.5 V

5.5 V

0 C

+ 70 C

DS1315S

SMD/SMT

Tube

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744-70+
Analog Devices / Maxim Integrated
1: $59.06
152In 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

152In 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

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