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Real Time Clock

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Results: 938

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Part #

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1746-70+
Analog Devices / Maxim Integrated
1: $64.53
493In 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

493In Stock

$64.53

$53.12

$50.12

$48.39

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: $80.14
507In Stock
7Expected 17/09/2026

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 17/09/2026

$80.14

$66.68

$62.75

$59.43

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 Y2K-Compliant, Nonvolatile Timekeeping R

DS1747W-120IND+
Analog Devices / Maxim Integrated
1: $80.53
285In Stock

Mfr. Part No.
DS1747W-120IND+

Mouser Part No
700-DS1747W-120IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

285In Stock

$80.53

$67.89

$63.87

$60.67

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

512 kB

EDIP-32

Integrated Battery

2.97 V

3.63 V

- 40 C

+ 85 C

DS1747W

Through Hole

Tube

Real Time Clock 1-Wire Time Chip With Interrupt

DS2417P+T&R
Analog Devices / Maxim Integrated
1: $4.72
6,878In Stock

Mfr. Part No.
DS2417P+T&R

Mouser Part No
700-DS2417PT&R

Analog Devices / Maxim Integrated

Real Time Clock 1-Wire Time Chip With Interrupt

Datasheet

6,878In Stock

Cut Tape

$4.72

$3.58

$3.29

$2.98

View

Reel

$2.56

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Serial 1-Wire

Binary

4 B

Backup Switching

2.5 V

5.5 V

- 40 C

+ 85 C

DS2417P

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Extremely Accurate I C-Integrated RTC/TC

DS3231SN#
Analog Devices / Maxim Integrated
1: $17.17
3,283In Stock
4,048Expected 08/12/2026

Mfr. Part No.
DS3231SN#

Mouser Part No
700-DS3231SN#

Analog Devices / Maxim Integrated

Real Time Clock Extremely Accurate I C-Integrated RTC/TC

Datasheet

3,283In Stock

4,048Expected 08/12/2026

$17.17

$13.61

$12.49

$11.66

View

Min.: 1
Mult.: 1
Max.: 6,705

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SO-16

Backup Switching

2.3 V

5.5 V

- 40 C

+ 85 C

DS3231SN

SMD/SMT

Tube

Real Time Clock 5ppm, I C Real-Time Clock with SRAM

DS3232MZ+
Analog Devices / Maxim Integrated
1: $14.18
2,679In Stock

Mfr. Part No.
DS3232MZ+

Mouser Part No
700-DS3232MZ+

Analog Devices / Maxim Integrated

Real Time Clock 5ppm, I C Real-Time Clock with SRAM

Datasheet

2,679In Stock

$14.18

$11.10

$10.38

$9.53

View

Min.: 1
Mult.: 1
Max.: 2,679

I2C

YY-MM-DD-dd

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

236 B

SOIC-8

Backup Switching

2.3 V

4.5 V

- 40 C

+ 85 C

DS3232MZ

SMD/SMT

Tube

Real Time Clock 5ppm, I C Real-Time Clock with SRAM

DS3232MZ+TRL
Analog Devices / Maxim Integrated
1: $12.80
4,819In Stock

Mfr. Part No.
DS3232MZ+TRL

Mouser Part No
700-DS3232MZ+TRL

Analog Devices / Maxim Integrated

Real Time Clock 5ppm, I C Real-Time Clock with SRAM

Datasheet

4,819In Stock

Cut Tape

$12.80

$10.04

$9.35

$8.59

View

Reel

$7.51

MouseReel Available

Min.: 1
Mult.: 1
Max.: 4,829

: 2,500

Serial 2-Wire, I2C

YY-MM-DD-dd

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

236 B

SO-8

Backup Switching

2.3 V

4.5 V

- 40 C

+ 85 C

DS3232MZ

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Extremely Accurate I C RTC with Integrat

DS3232SN#T&R
Analog Devices / Maxim Integrated
1: $14.83
9,146In 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

9,146In Stock

Cut Tape

$14.83

$11.66

$10.85

$9.97

View

Reel

$9.08

MouseReel Available

Min.: 1
Mult.: 1
Max.: 9,171

: 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 32.768kHz I2C Time Acc. 25ppm

RV-3129-C3 32.768kHz OPTION B TA QC
Micro Crystal
1: $3.38
1,535In Stock

Mfr. Part No.
RV-3129-C3 32.768kHz OPTION B TA QC

Mouser Part No
428-203634-MG01

Micro Crystal

Real Time Clock 32.768kHz I2C Time Acc. 25ppm

Learn More

Datasheet

1,535In Stock

Cut Tape

$3.38

$2.54

$2.33

$2.10

Reel

$1.91

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 B

Backup Switching

1.3 V

5.5 V

- 40 C

+ 85 C

RV-3129

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz I2C Time Acc. 25ppm AEC

RV-3129-C3 32.768kHz OPTION B TB QA
Micro Crystal
1: $3.96
2,630In Stock

Mfr. Part No.
RV-3129-C3 32.768kHz OPTION B TB QA

Mouser Part No
428-203639-MG01

Micro Crystal

Real Time Clock 32.768kHz I2C Time Acc. 25ppm AEC

Learn More

Datasheet

2,630In Stock

Cut Tape

$3.96

$2.99

$2.75

$2.48

Reel

$2.28

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 B

Backup Switching

1.3 V

5.5 V

- 40 C

+ 125 C

RV-3129

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz SPI Time Acc. 25ppm AEC

RV-3149-C3 32.768kHz OPTION B TB QA
Micro Crystal
1: $3.83
1,482In Stock

Mfr. Part No.
RV-3149-C3 32.768kHz OPTION B TB QA

Mouser Part No
428-203684-MG01

Micro Crystal

Real Time Clock 32.768kHz SPI Time Acc. 25ppm AEC

Learn More

Datasheet

1,482In Stock

Cut Tape

$3.83

$2.89

$2.65

$2.39

Reel

$2.20

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

SPI

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 B

Backup Switching

1.3 V

5.5 V

- 40 C

+ 125 C

RV-3149

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8mm Temperature Sensor & Real Time Clock

RV-3032-C7 32.768kHz-2.5PPM-TA-QC
Micro Crystal
1: $3.25
7,118In Stock
27,000On Order

Mfr. Part No.
RV-3032-C7 32.768kHz-2.5PPM-TA-QC

Mouser Part No
428-203803-MG01

Micro Crystal

Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8mm Temperature Sensor & Real Time Clock

Learn More

Datasheet

7,118In Stock

27,000On Order

Cut Tape

$3.25

$2.42

$2.21

$1.99

Reel

$1.74

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

16 B

Backup Switching

1.3 V

5.5 V

- 40 C

+ 105 C

RV-3032-C7

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Real Time Clock, automotive grade AEC-Q200

RV-3029-C3-TB-QA-Opt. B
Micro Crystal
1: $4.56
878In Stock

Mfr. Part No.
RV-3029-C3-TB-QA-Opt. B

Mouser Part No
428-RV3029C3TBQAOPTB

Micro Crystal

Real Time Clock Real Time Clock, automotive grade AEC-Q200

Datasheet

878In Stock

Cut Tape

$4.56

$3.44

$3.16

$2.85

$2.82

Reel

$2.38

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Serial 2-Wire, I2C

YY-MM-DD

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

SON-10

Backup Switching

1.3 V

5.5 V

- 40 C

+ 125 C

RV-3029-C3

SMD/SMT

AEC-Q200

Reel, Cut Tape, MouseReel

Real Time Clock I2C GP RTCC 64B SRAM ID

MCP79400-I/SN
Microchip Technology
1: $0.95
1,867In Stock

Mfr. Part No.
MCP79400-I/SN

Mouser Part No
579-MCP79400ISN

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM ID

Learn More

Datasheet

1,867In Stock

$0.95

Min.: 1
Mult.: 1

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

MCP79400

SMD/SMT

Tube

Real Time Clock I2C GP RTCC 64B SRAM ID

MCP79400T-I/MS
Microchip Technology
1: $1.03
4,388In Stock

Mfr. Part No.
MCP79400T-I/MS

Mouser Part No
579-MCP79400TIMS

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM ID

Learn More

Datasheet

4,388In Stock

Cut Tape

$1.03

$0.938

$0.935

$0.87

Reel

$0.87

Min.: 1
Mult.: 1

: 2,500

Serial 2-Wire, I2C

YY-MM-DD-dd

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

64 B

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel, Cut Tape

Real Time Clock I2C RTCC 64B SRAM No VBAT

MCP7940MT-I/MNY
Microchip Technology
1: $0.77
4,324In Stock

Mfr. Part No.
MCP7940MT-I/MNY

Mouser Part No
579-MCP7940MT-I/MNY

Microchip Technology

Real Time Clock I2C RTCC 64B SRAM No VBAT

Learn More

Datasheet

4,324In Stock

Cut Tape

$0.77

Reel

$0.77

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

I2C

YY-MM-DD-dd

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

64 B

TDFN-8

No Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2C RTCC 64B SRAM No VBAT

MCP7940MT-I/SN
Microchip Technology
1: $0.71
5,384In Stock

Mfr. Part No.
MCP7940MT-I/SN

Mouser Part No
579-MCP7940MT-I/SN

Microchip Technology

Real Time Clock I2C RTCC 64B SRAM No VBAT

Learn More

Datasheet

5,384In Stock

Cut Tape

$0.71

$0.699

$0.698

$0.696

Reel

$0.626

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

I2C

YY-MM-DD-dd

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

64 B

SOIC-8

No Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2C GP RTCC 64B SRAM

MCP7940N-I/MS
Microchip Technology
1: $0.90
2,220In Stock

Mfr. Part No.
MCP7940N-I/MS

Mouser Part No
579-MCP7940N-I/MS

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM

Learn More

Datasheet

2,220In Stock

$0.90

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 I2C GP RTCC 64B SRAM

MCP7940N-I/SN
Microchip Technology
1: $0.85
4,144In Stock
7,800Expected 19/10/2026

Mfr. Part No.
MCP7940N-I/SN

Mouser Part No
579-MCP7940N-I/SN

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM

Learn More

Datasheet

4,144In Stock

7,800Expected 19/10/2026

$0.85

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 I2C GP RTCC 64B SRAM, EXT

MCP7940NT-E/MS
Microchip Technology
1: $0.99
3,038In Stock

Mfr. Part No.
MCP7940NT-E/MS

Mouser Part No
579-MCP7940NT-E/MS

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM, EXT

Learn More

Datasheet

3,038In Stock

Cut Tape

$0.99

$0.988

$0.981

$0.97

$0.85

Reel

$0.85

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2C GP RTCC 64B SRAM EXT

MCP7940NT-E/SN
Microchip Technology
1: $0.95
3,132In Stock

Mfr. Part No.
MCP7940NT-E/SN

Mouser Part No
579-MCP7940NT-E/SN

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM EXT

Learn More

Datasheet

3,132In Stock

Cut Tape

$0.95

$0.947

$0.945

$0.942

View

Reel

$0.812

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

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

+ 125 C

MCP7940N

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2C GP RTCC 64B SRAM

MCP7940NT-I/MS
Microchip Technology
1: $0.90
4,596In Stock

Mfr. Part No.
MCP7940NT-I/MS

Mouser Part No
579-MCP7940NT-I/MS

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM

Learn More

Datasheet

4,596In Stock

Cut Tape

$0.90

Reel

$0.90

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

Reel, Cut Tape, MouseReel

Real Time Clock I2C GP RTCC 64B SRAM

MCP7940NT-I/SN
Microchip Technology
1: $0.85
15,243In Stock

Mfr. Part No.
MCP7940NT-I/SN

Mouser Part No
579-MCP7940NT-I/SN

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM

Learn More

Datasheet

15,243In Stock

Cut Tape

$0.85

Reel

$0.85

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

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

Reel, Cut Tape, MouseReel

Real Time Clock I2C GP RTCC 64B SRAM

MCP7940NT-I/ST
Microchip Technology
1: $0.94
2,654In Stock

Mfr. Part No.
MCP7940NT-I/ST

Mouser Part No
579-MCP7940NT-I/ST

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM

Learn More

Datasheet

2,654In Stock

Cut Tape

$0.94

$0.936

$0.80

Reel

$0.80

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Serial 2-Wire, I2C

YY-MM-DD-dd

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

64 B

TSSOP-8

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID

MCP79410-I/MS
Microchip Technology
1: $1.08
2,127In Stock

Mfr. Part No.
MCP79410-I/MS

Mouser Part No
579-MCP79410-I/MS

Microchip Technology

Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID

Learn More

Datasheet

2,127In Stock

$1.08

$1.01

$0.962

$0.954

Min.: 1
Mult.: 1

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

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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

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