.hide-partial { max-height: none; } .show-more { display: none; }

Through Hole Real Time Clock

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 81

Applied Filters:

Mounting Style = Through Hole

Manufacturer

RTC Bus Interface

Date Format

Time Format

RTC Memory Size

Package/Case

Battery Backup Switching

Supply Voltage - Min

Supply Voltage - Max

Minimum Operating Temperature

Maximum Operating Temperature

Series

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Real Time Clock 64K (8Kx8) 150ns

M48T18-150PC1
STMicroelectronics
1: $49.83
416In Stock

Mfr. Part No.
M48T18-150PC1

Mouser Part No
511-M48T1815PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 150ns

Datasheet

416In Stock

$49.83

$40.41

$37.94

$35.13

$34.83

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 64K (8Kx8) 100ns

M48T08-100PC1
STMicroelectronics
1: $36.37
1,512In Stock

Mfr. Part No.
M48T08-100PC1

Mouser Part No
511-M48T0810PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 100ns

Datasheet

1,512In Stock

$36.37

$27.28

$26.03

$24.33

$23.19

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 Nonvolatile, Y2K-Compliant Timekeep

DS1554-70IND+
Analog Devices / Maxim Integrated
1: $55.04
173In Stock

Mfr. Part No.
DS1554-70IND+

Mouser Part No
700-DS1554-70IND

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

173In Stock

$55.04

$44.94

$43.16

$40.55

Min.: 1
Mult.: 1
Max.: 173

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

EDIP-32

Integrated Battery

4.5 V

5.5 V

- 40 C

+ 85 C

DS1554

Through Hole

Tube

Real Time Clock Serial Alarm Real-Time Clock

DS1306N+
Analog Devices / Maxim Integrated
1: $11.84
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

$11.84

$9.28

$8.51

$7.93

Min.: 1
Mult.: 1
Max.: 235

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 I C Serial Real-Time Clock

DS1337+
Analog Devices / Maxim Integrated
1: $5.29
2,638In 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

2,638In Stock

$5.29

$4.04

$3.68

$3.28

View

Min.: 1
Mult.: 1
Max.: 2,638

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 RTCs with Constant-Voltage Trickle Charg

DS12CR887-5+
Analog Devices / Maxim Integrated
1: $20.36
393In Stock

Mfr. Part No.
DS12CR887-5+

Mouser Part No
700-DS12CR887-5+

Analog Devices / Maxim Integrated

Real Time Clock RTCs with Constant-Voltage Trickle Charg

Datasheet

393In Stock

$20.36

$16.24

$14.47

$13.72

$13.18

Min.: 1
Mult.: 1
Max.: 393

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

- 40 C

+ 85 C

DS12CR887

Through Hole

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

$27.61

Min.: 1
Mult.: 1
Max.: 102

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: $65.02
35In 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

35In Stock

$65.02

$55.79

$51.32

Min.: 1
Mult.: 1
Max.: 35

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 Y2K-Compliant, Nonvolatile Timekeeping R

DS1744-70IND+
Analog Devices / Maxim Integrated
1: $65.98
170In Stock

Mfr. Part No.
DS1744-70IND+

Mouser Part No
700-DS1744-70IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

170In Stock

$65.98

$55.98

$52.85

$50.52

Min.: 1
Mult.: 1
Max.: 170

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

EDIP-28

Integrated Battery

4.5 V

5.5 V

- 40 C

+ 85 C

DS1744

Through Hole

Tube

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

DS17887-5+
Analog Devices / Maxim Integrated
1: $38.47
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

$38.47

$32.28

$30.38

Min.: 1
Mult.: 1
Max.: 74

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 Serial Alarm Real-Time Clock

DS1305N+
Analog Devices / Maxim Integrated
1: $12.40
1,067In Stock

Mfr. Part No.
DS1305N+

Mouser Part No
700-DS1305N

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

1,067In Stock

$12.40

$9.72

$8.92

$8.19

View

Min.: 1
Mult.: 1
Max.: 1,067

Serial 3-Wire, SPI

YY-MM-DD

HH:MM:SS (24 hr)

96 B

DIP-16

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

DS1305N

Through Hole

Tube

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

DS1307N+
Analog Devices / Maxim Integrated
1: $6.85
399In Stock

Mfr. Part No.
DS1307N+

Mouser Part No
700-DS1307N

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

399In Stock

$6.85

$5.26

$4.91

$4.58

$4.36

Min.: 1
Mult.: 1
Max.: 399

I2C

YY-MM-DD

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

56 B

PDIP-8

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1307N

Through Hole

Tube

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

DS1501YN+
Analog Devices / Maxim Integrated
1: $20.89
162In Stock

Mfr. Part No.
DS1501YN+

Mouser Part No
700-DS1501YN

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

Datasheet

162In Stock

$20.89

$16.25

$14.57

$13.62

Min.: 1
Mult.: 1
Max.: 162

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

PDIP-28

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1501YN

Through Hole

Tube

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

DS1687-5IND+
Analog Devices / Maxim Integrated
1: $30.68
86In 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

86In Stock

$30.68

$25.04

$22.90

Min.: 1
Mult.: 1
Max.: 86

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 Real-Time Event Recorder

DS1678+
Analog Devices / Maxim Integrated
1: $13.17
48In Stock

Mfr. Part No.
DS1678+

Mouser Part No
700-DS1678

Analog Devices / Maxim Integrated

Real Time Clock Real-Time Event Recorder

Datasheet

48In Stock

$13.17

$10.59

Min.: 1
Mult.: 1
Max.: 48

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 B

PDIP-8

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1678

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

Min.: 1
Mult.: 1
Max.: 54

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 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

$21.85

$20.85

Min.: 1
Mult.: 1
Max.: 78

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 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

$61.69

Min.: 1
Mult.: 1
Max.: 16

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 1M, Nonvolatile, Y2K-Compliant Timekeepi

DS1556W-120IND+
Analog Devices / Maxim Integrated
1: $72.62
14In Stock

Mfr. Part No.
DS1556W-120IND+

Mouser Part No
700-DS1556W-120IND

Analog Devices / Maxim Integrated

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

Datasheet

14In Stock

$72.62

$58.59

Min.: 1
Mult.: 1
Max.: 14

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

EDIP-32

Integrated Battery

2.97 V

3.63 V

- 40 C

+ 85 C

DS1556W

Through Hole

Tube

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

DS17487-5+
Analog Devices / Maxim Integrated
1: $31.67
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

$31.67

$26.48

$25.13

Min.: 1
Mult.: 1
Max.: 51

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 Y2K-Compliant, Nonvolatile Timekeeping R

DS1746W-120IND+
Analog Devices / Maxim Integrated
1: $69.41
23In Stock

Mfr. Part No.
DS1746W-120IND+

Mouser Part No
700-DS1746W-120IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

23In Stock

$69.41

$57.34

$54.30

Min.: 1
Mult.: 1
Max.: 23

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

EDIP-32

Integrated Battery

2.97 V

3.63 V

- 40 C

+ 85 C

DS1746W

Through Hole

Tube

Real Time Clock 16K (2Kx8) 150ns

M48T12-150PC1
STMicroelectronics
1: $42.45
538In Stock

Mfr. Part No.
M48T12-150PC1

Mouser Part No
511-M48T1215PC1

STMicroelectronics

Real Time Clock 16K (2Kx8) 150ns

Datasheet

538In 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 NV SRAM with Phantom Clock

DS1243Y-120+
Analog Devices / Maxim Integrated
1: $55.16
1,001In 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

1,001In Stock

756Expected 2026/09/03

$55.16

$44.97

$42.33

$40.93

$40.09

Min.: 1
Mult.: 1
Max.: 1,758

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, Nonvolatile Timekeeping R

DS1746-70+
Analog Devices / Maxim Integrated
1: $64.83
490In 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

490In Stock

$64.83

$54.54

$49.95

$49.33

Min.: 1
Mult.: 1
Max.: 493

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: $79.28
507In Stock
7Expected 2026/09/17

Mfr. Part No.
DS1747-70+

Mouser Part No
700-DS1747-70

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

507In Stock

7Expected 2026/09/17

$79.28

$66.02

$62.15

$58.72

View

Min.: 1
Mult.: 1
Max.: 514

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

Through Hole Real Time Clock

Customer Service Office

Company

Resources

Support

DS1243Y
DS1244W
DS1244Y
DS1248Y
DS1251W
DS1251Y
DS12885
DS12885N
DS12887
DS12887A
DS12C887
DS12C887A
DS12CR887
DS1302
DS1302N
DS1305
DS1305N
DS1306
DS1306N
DS1307