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Real Time Clock

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Part #

Real Time Clock I C RTC with 56-Byte NV RAM

DS1338Z-33+
Analog Devices / Maxim Integrated
1: $6.90
23,959In Stock

Mfr. Part No.
DS1338Z-33+

Mouser Part No
700-DS1338Z-33

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with 56-Byte NV RAM

Datasheet

23,959In Stock

$6.90

$5.29

$4.90

$4.45

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

56 B

SOIC-8

Backup Switching

3 V

5.5 V

- 40 C

+ 85 C

DS1338Z

SMD/SMT

Tube

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744WP-120IND+
Analog Devices / Maxim Integrated
1: $59.38
631In Stock

Mfr. Part No.
DS1744WP-120IND+

Mouser Part No
700-DS1744WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

631In Stock

$59.38

$50.80

$47.54

$46.90

View

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

- 40 C

+ 85 C

DS1744WP

SMD/SMT

Tray

Real Time Clock Serial Alarm Real-Time Clock

DS1305EN+
Analog Devices / Maxim Integrated
1: $11.08
2,975In Stock

Mfr. Part No.
DS1305EN+

Mouser Part No
700-DS1305EN

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

2,975In Stock

$11.08

$8.66

$7.58

$7.30

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

- 40 C

+ 85 C

DS1305EN

SMD/SMT

Tube

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

DS1307Z+
Analog Devices / Maxim Integrated
1: $6.21
4,722In Stock

Mfr. Part No.
DS1307Z+

Mouser Part No
700-DS1307Z

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

4,722In Stock

$6.21

$4.76

$4.40

$4.00

View

Min.: 1
Mult.: 1

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

Tube

Real Time Clock I C RTC with Trickle Charger

DS1340Z-18+
Analog Devices / Maxim Integrated
1: $7.56
5,908In Stock

Mfr. Part No.
DS1340Z-18+

Mouser Part No
700-DS1340Z-18

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Learn More

Datasheet

5,908In Stock

$7.56

$5.83

$5.34

$4.58

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SO-8

Backup Switching

1.71 V

1.89 V

- 40 C

+ 85 C

DS1340Z

SMD/SMT

Tube

Real Time Clock Extremely Accurate SPI Bus RTC with Inte

DS3234SN#
Analog Devices / Maxim Integrated
1: $16.42
19,690In Stock

Mfr. Part No.
DS3234SN#

Mouser Part No
700-DS3234SN#

Analog Devices / Maxim Integrated

Real Time Clock Extremely Accurate SPI Bus RTC with Inte

Datasheet

19,690In Stock

$16.42

$13.00

$11.87

$11.15

View

Min.: 1
Mult.: 1

SPI

YY-MM-DD-dd

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

256 B

SO-20

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

DS3234SN

SMD/SMT

Tube

Real Time Clock I C RTC with Trickle Charger

DS1340C-3#
Analog Devices / Maxim Integrated
1: $10.97
13,385In Stock

Mfr. Part No.
DS1340C-3#

Mouser Part No
700-DS1340C-3#-

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Learn More

Datasheet

13,385In Stock

$10.97

$8.56

$7.77

$7.29

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SO-16

Backup Switching

2.7 V

3.3 V

- 40 C

+ 85 C

DS1340C

SMD/SMT

Tube

Real Time Clock Extremely Accurate I C RTC with Integrat

DS3232SN#T&R
Analog Devices / Maxim Integrated
1: $14.83
9,792In Stock

Mfr. Part No.
DS3232SN#T&R

Mouser Part No
700-DS3232SN#T&R-

Analog Devices / Maxim Integrated

Real Time Clock Extremely Accurate I C RTC with Integrat

Datasheet

9,792In Stock

Cut Tape

$14.83

$11.66

$10.85

$9.97

View

Reel

$9.08

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

- 40 C

+ 85 C

DS3232SN

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Trickle-Charge Timekeeping Chip

DS1302ZN+T&R
Analog Devices / Maxim Integrated
1: $5.95
6,378In Stock

Mfr. Part No.
DS1302ZN+T&R

Mouser Part No
700-DS1302ZNT&R

Analog Devices / Maxim Integrated

Real Time Clock Trickle-Charge Timekeeping Chip

Learn More

Datasheet

6,378In Stock

Cut Tape

$5.95

$4.54

$4.18

$3.79

View

Reel

$3.41

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

- 40 C

+ 85 C

DS1302ZN

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I C Serial Real-Time Clock

DS1339C-33#
Analog Devices / Maxim Integrated
1: $11.98
2,779In Stock

Mfr. Part No.
DS1339C-33#

Mouser Part No
700-DS1339C-33#

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Datasheet

2,779In Stock

$11.98

$9.39

$8.54

$8.02

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

SO-16

Backup Switching

2.97 V

5.5 V

- 40 C

+ 85 C

DS1339C

SMD/SMT

Tube

Real Time Clock Ultra-Low power RTC w/ integrated power

MAX31334EWC+T
Analog Devices / Maxim Integrated
1: $3.54
1,658In Stock

Mfr. Part No.
MAX31334EWC+T

Mouser Part No
700-MAX31334EWC+T

Analog Devices / Maxim Integrated

Real Time Clock Ultra-Low power RTC w/ integrated power

Learn More

Datasheet

1,658In Stock

Cut Tape

$3.54

$2.65

$2.40

$2.17

Reel

$1.86

View

Min.: 1
Mult.: 1

: 2,500

MAX31334

Reel, Cut Tape

Real Time Clock 4096k NV SRAM with Phantom Clock

DS1251WP-120IND+
Analog Devices / Maxim Integrated
1: $85.39
46In Stock
120Expected 2026/06/11

Mfr. Part No.
DS1251WP-120IND+

Mouser Part No
700-DS1251WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock 4096k NV SRAM with Phantom Clock

Datasheet

46In Stock

120Expected 2026/06/11

$85.39

$71.12

$67.21

$64.41

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

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

512 kB

PowerCap Module-34

2.97 V

3.63 V

- 40 C

+ 85 C

DS1251WP

SMD/SMT

Tray

Real Time Clock Trickle-Charge Timekeeping Chip

DS1302S+
Analog Devices / Maxim Integrated
1: $6.45
546In Stock

Mfr. Part No.
DS1302S+

Mouser Part No
700-DS1302S

Analog Devices / Maxim Integrated

Real Time Clock Trickle-Charge Timekeeping Chip

Learn More

Datasheet

546In Stock

$6.45

$4.94

$4.38

$4.15

View

Min.: 1
Mult.: 1

Serial 3-Wire

YY-MM-DD-dd

HH:MM:SS (24 hr)

31 B

SOIC-8

Backup Switching

2 V

5.5 V

- 40 C

+ 70 C

DS1302S

SMD/SMT

Tube

Real Time Clock I C Serial Real-Time Clock

DS1337+
Analog Devices / Maxim Integrated
1: $5.29
2,663In Stock

Mfr. Part No.
DS1337+

Mouser Part No
700-DS1337

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Learn More

Datasheet

2,663In Stock

$5.29

$4.02

$3.66

$3.17

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

DIP-8

No Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

DS1337

Through Hole

Tube

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

DS1554WP-120IND+
Analog Devices / Maxim Integrated
1: $47.26
68In Stock

Mfr. Part No.
DS1554WP-120IND+

Mouser Part No
700-DS1554WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

68In Stock

$47.26

$39.86

$36.67

$36.16

View

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

- 40 C

+ 85 C

DS1554WP

SMD/SMT

Tray

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

DS1687-3+
Analog Devices / Maxim Integrated
1: $27.80
81In 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

81In Stock

$27.80

$21.85

$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 Y2K-Compliant, Nonvolatile Timekeeping R

DS1744WP-120+
Analog Devices / Maxim Integrated
1: $52.90
154In 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

154In Stock

$52.90

$44.68

$39.69

$39.30

Quote

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 Low-Current, SPI-Compatible Real-Time Cl

DS1347T+T&R
Analog Devices / Maxim Integrated
1: $5.19
2,121In Stock

Mfr. Part No.
DS1347T+T&R

Mouser Part No
700-DS1347T+T&R

Analog Devices / Maxim Integrated

Real Time Clock Low-Current, SPI-Compatible Real-Time Cl

Learn More

Datasheet

2,121In Stock

Cut Tape

$5.19

$3.97

$3.65

$3.31

View

Reel

$2.97

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SPI

YY-MM-DD-dd

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

8 B

TDFN-EP-8

No Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

DS1347T

SMD/SMT

Reel, Cut Tape, MouseReel

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

DS1687-5IND+
Analog Devices / Maxim Integrated
1: $30.85
87In Stock

Mfr. Part No.
DS1687-5IND+

Mouser Part No
700-DS1687-5IND

Analog Devices / Maxim Integrated

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

Datasheet

87In Stock

$30.85

$24.43

$21.88

$21.38

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

- 40 C

+ 85 C

DS1687

Through Hole

Tube

Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator

MAX31343ETAY+
Analog Devices / Maxim Integrated
1: $6.45
551In Stock

Mfr. Part No.
MAX31343ETAY+

Mouser Part No
700-MAX31343ETAY+

Analog Devices / Maxim Integrated

Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator

Datasheet

551In Stock

$6.45

$4.94

$4.57

$4.15

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

64 B

TDFN-8

Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tray

Real Time Clock 1024k NV SRAM with Phantom Clock

DS1248Y-70IND+
Analog Devices / Maxim Integrated
1: $63.19
35In Stock

Mfr. Part No.
DS1248Y-70IND+

Mouser Part No
700-DS1248Y-70IND

Analog Devices / Maxim Integrated

Real Time Clock 1024k NV SRAM with Phantom Clock

Datasheet

35In Stock

$63.19

$58.32

$56.11

$53.14

View

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

- 40 C

+ 85 C

DS1248Y

Through Hole

Tube

Real Time Clock Serial Alarm Real-Time Clock

DS1306EN+
Analog Devices / Maxim Integrated
1: $10.11
1,479In Stock

Mfr. Part No.
DS1306EN+

Mouser Part No
700-DS1306EN

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

1,479In Stock

$10.11

$7.87

$6.92

$6.66

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

- 40 C

+ 85 C

DS1306EN

SMD/SMT

Tube

Real Time Clock I C Serial Real-Time Clock

DS1337C#T&R
Analog Devices / Maxim Integrated
1: $8.32
1,408In Stock

Mfr. Part No.
DS1337C#T&R

Mouser Part No
700-DS1337C#T&R-

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Learn More

Datasheet

1,408In Stock

Cut Tape

$8.32

$6.44

$5.90

$5.47

Reel

$4.97

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

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

SO-16

No Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

DS1337C

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I C Serial Real-Time Clock

DS1339U-3+
Analog Devices / Maxim Integrated
1: $7.33
1,339In Stock

Mfr. Part No.
DS1339U-3+

Mouser Part No
700-DS1339U-3

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Learn More

Datasheet

1,339In Stock

$7.33

$5.64

$5.06

$4.43

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

uSOP-8

Backup Switching

2.7 V

3.3 V

- 40 C

+ 85 C

DS1339U

SMD/SMT

Tube

Real Time Clock Low-Current I C RTCs for High-ESR Crystals

DS1342U+
Analog Devices / Maxim Integrated
1: $5.04
1,088In Stock

Mfr. Part No.
DS1342U+

Mouser Part No
700-DS1342U

Analog Devices / Maxim Integrated

Real Time Clock Low-Current I C RTCs for High-ESR Crystals

Learn More

Datasheet

1,088In Stock

$5.04

$3.84

$3.50

$3.02

$2.83

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

uSOP-8

No Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

DS1342U

SMD/SMT

Tube

Real Time Clock

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3 B
4 B
7 B
8 B
10 B
12 B
16 B
31 B
32 B
56 B
64 B
96 B
113 B
114 B
236 B
242 B
256 B
512 B
2 kB
4 kB

DIP-16
DIP-8
EDIP-24
EDIP-28
EDIP-32
LGA-10
PDIP-16
PDIP-24
PDIP-28
PDIP-8
PLCC-28
PowerCap Module-34
SO-16
SO-20
SO-24
SO-28
SO-8
SOIC-16
SOIC-24
SOIC-28

BQ32000
BQ32002
BQ3285
BQ3285E
BQ4802LY
BQ4802Y
DP8570A
DP8573A
DS1243Y
DS1244W
DS1244WP
DS1244Y
DS1244YP
DS1248WP
DS1248Y
DS1251W
DS1251WP
DS1251Y
DS1251YP
DS12885