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

Real Time Clock

Real Time Clocks are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many real time clock manufacturers including Analog Devices, Epson, Microchip, Micro Crystal, NXP, Renesas Electronics, STMicroelectronics & more.
More...

Please view our large selection of real time clocks below.

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

Results: 937

Applied Filters:

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

Mounting Style

Qualification

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 256k NV SRAM with Phantom Clock

DS1244YP-70+
Analog Devices / Maxim Integrated
40: $43.49
Non-Stocked Lead-Time 14 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 14 Weeks

$43.49

$43.48

$41.91

View

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

Real Time Clock 1024k NV SRAM with Phantom Clock

DS1248YP-70+
Analog Devices / Maxim Integrated
1: $58.16
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1248YP-70+

Mouser Part No
700-DS1248YP-70

Analog Devices / Maxim Integrated

Real Time Clock 1024k NV SRAM with Phantom Clock

Datasheet

Non-Stocked Lead-Time 14 Weeks

$58.16

$52.78

$49.51

$48.85

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

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

128 kB

PowerCap Module-34

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1248Y

SMD/SMT

Tray

Real Time Clock 4096k NV SRAM with Phantom Clock

DS1251Y-70+
Analog Devices / Maxim Integrated
1: $58.28
Non-Stocked Lead-Time 14 Weeks

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

Non-Stocked Lead-Time 14 Weeks

$58.28

$53.81

$50.75

$49.46

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

DS12885SN+T&R
Analog Devices / Maxim Integrated
1,000: $9.94
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
DS12885SN+T&R

Mouser Part No
700-DS12885SNT&R

Analog Devices / Maxim Integrated

Real Time Clock Real-Time Clocks

Datasheet

Non-Stocked Lead-Time 15 Weeks

Reel

$9.94

View

Min.: 1,000
Mult.: 1,000

: 1,000

Multiplexed

YY-MM-DD-dd

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

114 B

SO-24

4.5 V

5.5 V

- 40 C

+ 85 C

DS12885SN

SMD/SMT

Reel

Real Time Clock Real-Time Clocks

DS12885T+
Analog Devices / Maxim Integrated
250: $11.12
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS12885T+

Mouser Part No
700-DS12885T

Analog Devices / Maxim Integrated

Real Time Clock Real-Time Clocks

Datasheet

Non-Stocked Lead-Time 14 Weeks

$11.12

$10.74

$10.60

View

Min.: 250
Mult.: 250

Multiplexed

YY-MM-DD-dd

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

114 B

TQFP-32

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS12885T

SMD/SMT

Tray

Real Time Clock RTCs with Constant-Voltage Trickle Charg

DS12R885S-33+T&R
Analog Devices / Maxim Integrated
1,000: $4.33
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS12R885S-33+T&R

Mouser Part No
700-DS12R885S-33T&R

Analog Devices / Maxim Integrated

Real Time Clock RTCs with Constant-Voltage Trickle Charg

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$4.33

Min.: 1,000
Mult.: 1,000

: 1,000

Multiplexed

YY-MM-DD-dd

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

114 B

SO-24

Backup Switching

2.97 V

3.63 V

- 40 C

+ 85 C

DS12R885S

SMD/SMT

Reel

Real Time Clock RTCs with Constant-Voltage Trickle Charg

DS12R885S-5+T&R
Analog Devices / Maxim Integrated
1,000: $4.34
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS12R885S-5+T&R

Mouser Part No
700-DS12R885S-5T&R

Analog Devices / Maxim Integrated

Real Time Clock RTCs with Constant-Voltage Trickle Charg

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$4.34

Quote

Min.: 1,000
Mult.: 1,000

: 1,000

Multiplexed

YY-MM-DD-dd

HH:MM:SS (24 hr)

114 B

SO-24

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS12R885S

SMD/SMT

Reel

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

DS1308U-3+T
Analog Devices / Maxim Integrated
3,000: $3.53
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1308U-3+T

Mouser Part No
700-DS1308U-3+T

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$3.53

Min.: 3,000
Mult.: 3,000

: 3,000

uSOP-8

DS1308U

Reel

Real Time Clock Phantom Time Chip

DS1315E-33+
Analog Devices / Maxim Integrated
1: $34.62
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1315E-33+

Mouser Part No
700-DS1315E-33

Analog Devices / Maxim Integrated

Real Time Clock Phantom Time Chip

Datasheet

Non-Stocked Lead-Time 14 Weeks

$34.62

$28.05

$25.18

$24.43

View

Min.: 1
Mult.: 1

Phantom Clock

YY-MM-DD-dd

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

8 B

TSSOP-20

Backup Switching

3 V

3.6 V

0 C

+ 70 C

DS1315E

SMD/SMT

Tube

Real Time Clock Phantom Time Chip

DS1315EN-33+T&R
Analog Devices / Maxim Integrated
2,500: $24.43
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1315EN-33+T&R

Mouser Part No
700-DS1315EN-33T&R

Analog Devices / Maxim Integrated

Real Time Clock Phantom Time Chip

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$24.43

Min.: 2,500
Mult.: 2,500

: 2,500

Phantom Clock

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

8 B

TSSOP-20

Backup Switching

3 V

3.6 V

- 40 C

+ 85 C

DS1315EN

SMD/SMT

Reel

Real Time Clock Phantom Time Chip

DS1315N-5+
Analog Devices / Maxim Integrated
1: $34.25
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1315N-5+

Mouser Part No
700-DS1315N-5

Analog Devices / Maxim Integrated

Real Time Clock Phantom Time Chip

Datasheet

Non-Stocked Lead-Time 14 Weeks

$34.25

$27.75

$26.03

$24.57

View

Min.: 1
Mult.: 1

Phantom Clock

YY-MM-DD-dd

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

8 B

PDIP-16

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1315N

Through Hole

Tube

Real Time Clock Phantom Time Chip

DS1315S-33+T&R
Analog Devices / Maxim Integrated
1,000: $19.78
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1315S-33+T&R

Mouser Part No
700-DS1315S-33T&R

Analog Devices / Maxim Integrated

Real Time Clock Phantom Time Chip

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$19.78

Min.: 1,000
Mult.: 1,000

: 1,000

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 B

SOIC-16

Backup Switching

3 V

3.6 V

0 C

+ 70 C

DS1315S

SMD/SMT

Reel

Real Time Clock Phantom Time Chip

DS1315S-5+T&R
Analog Devices / Maxim Integrated
1,000: $24.11
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1315S-5+T&R

Mouser Part No
700-DS1315S-5T&R

Analog Devices / Maxim Integrated

Real Time Clock Phantom Time Chip

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$24.11

Min.: 1,000
Mult.: 1,000

: 1,000

Phantom Clock

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

Reel

Real Time Clock Phantom Time Chip

DS1315SN-33+
Analog Devices / Maxim Integrated
1: $31.45
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1315SN-33+

Mouser Part No
700-DS1315SN-33

Analog Devices / Maxim Integrated

Real Time Clock Phantom Time Chip

Datasheet

Non-Stocked Lead-Time 14 Weeks

$31.45

$25.14

$23.57

$21.84

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

- 40 C

+ 85 C

DS1315SN

SMD/SMT

Tube

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

DS1338C-18#
Analog Devices / Maxim Integrated
1: $10.96
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1338C-18#

Mouser Part No
700-DS1338C-18#-

Analog Devices / Maxim Integrated

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$10.96

$8.56

$7.24

$7.23

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

56 B

SO-16

Backup Switching

1.71 V

1.89 V

- 40 C

+ 85 C

DS1338C

SMD/SMT

Tube

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

DS1338U-18+T&R
Analog Devices / Maxim Integrated
3,000: $3.51
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1338U-18+T&R

Mouser Part No
700-DS1338U-18+T&R

Analog Devices / Maxim Integrated

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$3.51

Min.: 3,000
Mult.: 3,000

: 3,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

56 B

uSOP-8

Backup Switching

1.71 V

5.5 V

- 40 C

+ 85 C

DS1338U

SMD/SMT

Reel

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

DS1338U-3+T&R
Analog Devices / Maxim Integrated
3,000: $3.37
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1338U-3+T&R

Mouser Part No
700-DS1338U-3T&R

Analog Devices / Maxim Integrated

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$3.37

Min.: 3,000
Mult.: 3,000

: 3,000

Serial 2-Wire, I2C

HH:MM:SS (24 hr)

56 B

uSOP-8

2.7 V

3.3 V

- 40 C

+ 85 C

DS1338U

SMD/SMT

Reel

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

DS1338Z-18+T&R
Analog Devices / Maxim Integrated
2,500: $3.63
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1338Z-18+T&R

Mouser Part No
700-DS1338Z-18+T&R

Analog Devices / Maxim Integrated

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$3.63

Min.: 2,500
Mult.: 2,500

: 2,500

SO-8

DS1338Z

Reel

Real Time Clock I C Serial Real-Time Clock

DS1339U-2+T&R
Analog Devices / Maxim Integrated
3,000: $3.89
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1339U-2+T&R

Mouser Part No
700-DS1339U-2T&R

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$3.89

Min.: 3,000
Mult.: 3,000

: 3,000

Serial 2-Wire, I2C

HH:MM:SS (24 hr)

uSOP-8

Backup Switching

1.8 V

2.2 V

- 40 C

+ 85 C

DS1339U

SMD/SMT

Reel

Real Time Clock I C RTC with Trickle Charger

DS1340Z-3+T&R
Analog Devices / Maxim Integrated
2,500: $3.69
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1340Z-3+T&R

Mouser Part No
700-DS1340Z-3T&R

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$3.69

Min.: 2,500
Mult.: 2,500

: 2,500

Serial 2-Wire, I2C

HH:MM:SS (24 hr)

SOIC-8

Backup Switching

2.7 V

3.3 V

- 40 C

+ 85 C

DS1340Z

SMD/SMT

Reel

Real Time Clock Low-Current SPI/3-Wire RTCs

DS1343D-33+T&R
Analog Devices / Maxim Integrated
2,500: $4.25
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1343D-33+T&R

Mouser Part No
700-DS1343D-33+T&R

Analog Devices / Maxim Integrated

Real Time Clock Low-Current SPI/3-Wire RTCs

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$4.25

Min.: 2,500
Mult.: 2,500

: 2,500

Serial 3-Wire, SPI

YY-MM-DD-dd

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

96 B

TDFN-EP-14

Backup Switching

3 V

5.5 V

- 40 C

+ 85 C

DS1343D

SMD/SMT

Reel

Real Time Clock Low-Current SPI/3-Wire RTCs

DS1343E-3+T&R
Analog Devices / Maxim Integrated
2,500: $4.15
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1343E-3+T&R

Mouser Part No
700-DS1343E-3+T&R

Analog Devices / Maxim Integrated

Real Time Clock Low-Current SPI/3-Wire RTCs

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$4.15

Min.: 2,500
Mult.: 2,500

: 2,500

Serial 3-Wire, SPI

YY-MM-DD

HH:MM:SS (24 hr)

96 B

TSSOP-20

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

DS1343E

SMD/SMT

Reel

Real Time Clock Low-Current SPI/3-Wire RTCs

DS1343E-33+T&R
Analog Devices / Maxim Integrated
2,500: $4.11
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1343E-33+T&R

Mouser Part No
700-DS1343E-33+T&R

Analog Devices / Maxim Integrated

Real Time Clock Low-Current SPI/3-Wire RTCs

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$4.11

Min.: 2,500
Mult.: 2,500

: 2,500

Serial 3-Wire, SPI

YY-MM-DD

HH:MM:SS (24 hr)

96 B

TSSOP-20

Backup Switching

3 V

5.5 V

- 40 C

+ 85 C

DS1343E

SMD/SMT

Reel

Real Time Clock Low-Current SPI/3-Wire RTCs

DS1344D-3+
Analog Devices / Maxim Integrated
1: $7.75
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1344D-3+

Mouser Part No
700-DS1344D-3+

Analog Devices / Maxim Integrated

Real Time Clock Low-Current SPI/3-Wire RTCs

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

$7.75

$5.97

$5.53

$5.04

View

Min.: 1
Mult.: 1

Serial 3-Wire, SPI

YY-MM-DD-dd

HH:MM:SS (24 hr)

96 B

TDFN-EP-14

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

DS1344D

SMD/SMT

Tube

Real Time Clock Low-Current SPI/3-Wire RTCs

DS1344D-3+T&R
Analog Devices / Maxim Integrated
2,500: $4.40
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
DS1344D-3+T&R

Mouser Part No
700-DS1344D-3+T&R

Analog Devices / Maxim Integrated

Real Time Clock Low-Current SPI/3-Wire RTCs

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$4.40

Quote

Min.: 2,500
Mult.: 2,500

: 2,500

Serial 3-Wire, SPI

YY-MM-DD-dd

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

96 B

TDFN-EP-14

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

DS1344D

SMD/SMT

Reel

Real Time Clock

Customer Service Office

Company

Resources

Support

2 B
3 B
4 B
7 B
8 B
10 B
12 B
16 B
20 B
31 B
32 B
56 B
64 B
96 B
113 B
114 B
128 B
160 B
236 B
242 B

3.2 mm x 2.5 mm x 1 mm
DFN-16
DFN-20
DFN2626-10
DFN-8
DIP-16
DIP-8
EDIP-24
EDIP-28
EDIP-32
HWSON-8
LGA-10
MSOP-10
MSOP-8
PCDIP-24
PCDIP-28
PDIP-16
PDIP-24
PDIP-28
PDIP-8

600 mV
750 mV
900 mV
1 V
1.1 V
1.2 V
1.25 V
1.3 V
1.4 V
1.5 V
1.6 V
1.7 V
1.71 V
1.8 V
2 V
2.2 V
2.3 V
2.38 V
2.4 V
2.5 V

1338
1339
1337AGD
AB-RTC-TA-32.768kHz-2
AB-RTC-TC-32.768kHz-2
AB-RTC-TH-32.768kHz-2
AB-RTC-XB-32.768kHz-2
AB-RTC-XL
AB-RTC-XLA
AB-RTC-XP-32.768kHz-2
AB-RTC-XPA-32.768kHz-2
AB-RTCMC
AB08x5
AB18x5
Artasie I2C
Artasie I2C w/ Power Management
Artasie SPI
Artasie SPI w/ Power Management
BQ32000
BQ32002