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Real Time Clock

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Results: 891

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Part #

Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6 AEC-Q200

RV-3028-C8-32.768kHz-1PPM-TA-QA
Micro Crystal
1: $3.80
1,793In Stock
New Product

Mfr. Part No.
RV-3028-C8-32.768kHz-1PPM-TA-QA

Mouser Part No
428-RV3028C81PPMTAQA

New Product

Micro Crystal

Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6 AEC-Q200

Learn More

Datasheet

1,793In Stock

Cut Tape

$3.80

$2.84

$2.58

$2.33

Reel

$2.21

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

SON-8

Backup Switching

1.1 V

5.5 V

- 40 C

+ 85 C

RV-3028-C8

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Trickle-Charge Timekeeping Chip

DS1302ZN+T&R
Analog Devices / Maxim Integrated
1: $5.95
6,374In 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

6,374In Stock

Cut Tape

$5.95

$4.54

$4.26

$3.86

View

Reel

$3.42

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: $12.07
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

$12.07

$9.47

$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 Extremely Accurate SPI Bus RTC with Inte

DS3234SN#
Analog Devices / Maxim Integrated
1: $16.42
19,660In 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

19,660In 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 I2C GP RTCC 64B SRAM EUI-48

MCP79401-I/SN
Microchip Technology
1: $1.04
14,020In Stock

Mfr. Part No.
MCP79401-I/SN

Mouser Part No
579-MCP79401ISN

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM EUI-48

Learn More

Datasheet

14,020In Stock

$1.04

$0.961

$0.936

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

64 B

SOIC-8

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tube

Real Time Clock I C RTC with Trickle Charger

DS1340Z-18+
Analog Devices / Maxim Integrated
1: $7.59
5,903In 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

5,903In Stock

$7.59

$5.85

$5.33

$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 I C RTC with 56-Byte NV RAM

DS1338Z-33+
Analog Devices / Maxim Integrated
1: $7.01
23,961In 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

23,961In Stock

$7.01

$5.40

$4.93

$4.54

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: $58.51
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

$58.51

$50.71

$47.25

$46.47

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
2,967In Stock

Mfr. Part No.
DS1305EN+

Mouser Part No
700-DS1305EN

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

2,967In Stock

$11.08

$8.66

$7.83

$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 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 Y2K-Compliant, Nonvolatile Timekeeping R

DS1744P-70IND+
Analog Devices / Maxim Integrated
1: $60.48
912In Stock

Mfr. Part No.
DS1744P-70IND+

Mouser Part No
700-DS1744P-70IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

912In Stock

$60.48

$49.68

$46.10

$43.98

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

- 40 C

+ 85 C

DS1744P

SMD/SMT

Tray

Real Time Clock Extremely Accurate I C RTC with Integrat

DS3232SN#T&R
Analog Devices / Maxim Integrated
1: $14.83
9,702In 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

9,702In Stock

Cut Tape

$14.83

$11.66

$10.85

$10.03

View

Reel

$9.13

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 REAL TIME CLK W/ ALARM DS1337 COMP

ISL12057IBZ-T
Renesas / Intersil
1: $2.83
12,358In Stock

Mfr. Part No.
ISL12057IBZ-T

Mouser Part No
968-ISL12057IBZ-T

Renesas / Intersil

Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP

Datasheet

12,358In Stock

Cut Tape

$2.83

$2.11

$1.90

$1.73

View

Reel

$1.35

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SOIC-8

No Backup Switching

1.8 V

3.6 V

- 40 C

+ 85 C

ISL12057

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 64K (8Kx8) 100ns

M48T08Y-10MH1F
STMicroelectronics
1: $37.03
1,027In Stock

Mfr. Part No.
M48T08Y-10MH1F

Mouser Part No
511-M48T08Y-10MH1F

STMicroelectronics

Real Time Clock 64K (8Kx8) 100ns

Datasheet

1,027In Stock

Cut Tape

$37.03

$29.97

$28.21

$27.02

View

Reel

$23.89

MouseReel Available

Min.: 1
Mult.: 1

: 936

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

64 kB

SOX-28

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

M48T08Y

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 64K (8Kx8) 100ns

M48T18-100PC1
STMicroelectronics
1: $40.59
866In Stock

Mfr. Part No.
M48T18-100PC1

Mouser Part No
511-M48T1810PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 100ns

Datasheet

866In Stock

$40.59

$30.33

$28.91

$28.13

$27.97

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 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 Low Power Real time clocks

PCF85363ATL/AX
NXP Semiconductors
1: $1.17
85,225In Stock

Mfr. Part No.
PCF85363ATL/AX

Mouser Part No
771-PCF85363ATL/AX

NXP Semiconductors

Real Time Clock Low Power Real time clocks

Datasheet

85,225In Stock

Cut Tape

$1.17

$0.912

$0.837

$0.795

View

Reel

$0.656

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

64 B

DFN2626-10

Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

PCF85363A

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial I2C bus RTC

M41T82ZM6F
STMicroelectronics
1: $3.23
13,335In Stock

Mfr. Part No.
M41T82ZM6F

Mouser Part No
511-M41T82ZM6F

STMicroelectronics

Real Time Clock Serial I2C bus RTC

Datasheet

13,335In Stock

Cut Tape

$3.23

$2.41

$2.20

$1.98

Reel

$1.60

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Serial

YY-MM-DD-dd

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

32 B

SOIC-8

Backup Switching

2.38 V

5.5 V

- 40 C

+ 85 C

M41T82

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 256K (32Kx8) 70ns

M48T35Y-70MH1F
STMicroelectronics
1: $21.92
1,323In Stock

Mfr. Part No.
M48T35Y-70MH1F

Mouser Part No
511-M48T35Y-70MH1F

STMicroelectronics

Real Time Clock 256K (32Kx8) 70ns

Datasheet

1,323In Stock

Cut Tape

$21.92

$17.50

$16.12

$15.19

View

Reel

$12.99

MouseReel Available

Min.: 1
Mult.: 1

: 936

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 kB

SOX-28

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

M48T35Y

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RV-3029-C3, Real-Time Clock, I C-bus, B Stability, 25ppm @ -40 to +85C (SMD 3.7 x 2.5 x 0.9)

RV-3029-C3-TA-QC-Opt. B
Micro Crystal
1: $4.99
1,758In Stock

Mfr. Part No.
RV-3029-C3-TA-QC-Opt. B

Mouser Part No
428-RV3029C3TAQCOPTB

Micro Crystal

Real Time Clock RV-3029-C3, Real-Time Clock, I C-bus, B Stability, 25ppm @ -40 to +85C (SMD 3.7 x 2.5 x 0.9)

Datasheet

1,758In Stock

Cut Tape

$4.99

$3.76

$3.45

$3.12

$3.08

Reel

$2.61

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

Backup Switching

1.3 V

5.5 V

- 40 C

+ 85 C

RV-3029-C3

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2023T-E2-F
Nisshinbo
1: $1.49
3,003In Stock
2,000Expected 2026/08/05

Mfr. Part No.
R2023T-E2-F

Mouser Part No
848-R2023TE2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

3,003In Stock

2,000Expected 2026/08/05

Cut Tape

$1.49

$1.09

$0.987

$0.876

Reel

$0.802

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

TSSOP-10

No Backup Switching

1.7 V

5.5 V

- 40 C

+ 85 C

R2023T

SMD/SMT

Reel, Cut Tape, MouseReel

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 1024k NV SRAM with Phantom Clock

DS1248YP-70+
Analog Devices / Maxim Integrated
1: $54.88
80In Stock

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

80In Stock

$54.88

$50.68

$46.97

$46.26

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 4-Wire Real Time Clock IC

RV5C348A-E2-F
Nisshinbo
1: $1.64
1,839In Stock

Mfr. Part No.
RV5C348A-E2-F

Mouser Part No
848-RV5C348AE2F

Nisshinbo

Real Time Clock 4-Wire Real Time Clock IC

Datasheet

1,839In Stock

Cut Tape

$1.64

$1.20

$1.09

$0.961

Reel

$0.802

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Serial 4-Wire, SPI

YY-MM-DD-dd

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

SSOP-10

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

RV5C348

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2C GP RTCC 64B SRAM ID

MCP79400-I/MS
Microchip Technology
1: $1.00
5,460In Stock

Mfr. Part No.
MCP79400-I/MS

Mouser Part No
579-MCP79400IMS

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM ID

Learn More

Datasheet

5,460In Stock

$1.00

$0.92

$0.897

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

64 B

MSOP-8

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tube

Real Time Clock

Customer Service Office

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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

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
PLCC-28

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