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2820 Real Time Clock

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Part #

Real Time Clock 32.768kHz SPI Time Acc. 6ppm

RV-3149-C3 32.768kHz OPTION A TA QC
Micro Crystal
1: $7.43
1,284In Stock

Mfr. Part No.
RV-3149-C3 32.768kHz OPTION A TA QC

Mouser Part No
428-203658-MG01

Micro Crystal

Real Time Clock 32.768kHz SPI Time Acc. 6ppm

Learn More

Datasheet

1,284In Stock

Cut Tape

$7.43

$7.02

$6.16

$5.85

Reel

$3.07

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

SPI

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 B

Backup Switching

1.3 V

5.5 V

- 40 C

+ 85 C

RV-3149

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz I2C Time Acc. 6ppm

RV-3129-C3 32.768kHz OPTION A TA QC
Micro Crystal
1: $7.43
472In Stock
1,000Expected 2026/03/06

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

Mouser Part No
428-203688-MG01

Micro Crystal

Real Time Clock 32.768kHz I2C Time Acc. 6ppm

Learn More

Datasheet

472In Stock

1,000Expected 2026/03/06

Cut Tape

$7.43

$7.12

Reel

$3.21

$3.08

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 32.768 kHz OPTION A TEMP COMP SPI

RV-3049-C3-32.768KHZ-OPTION-A-TA-QC
Micro Crystal
1: $3.59
1,000In Stock
NRND

Mfr. Part No.
RV-3049-C3-32.768KHZ-OPTION-A-TA-QC

Mouser Part No
428-202184-MG01

NRND

Micro Crystal

Real Time Clock 32.768 kHz OPTION A TEMP COMP SPI

Datasheet

Product Comments

1,000In Stock

$3.59

$3.05

$3.04

Min.: 1
Mult.: 1

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-3049-C3

SMD/SMT

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: $3.99
8,870In Stock

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

8,870In Stock

Cut Tape

$3.99

$2.99

$2.73

$2.47

Reel

$2.17

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 32.768kHz I2C Time Acc. 1ppm

RV-3028-C7 32.768kHz 1ppm TA QA
Micro Crystal
1: $3.31
18,086In Stock

Mfr. Part No.
RV-3028-C7 32.768kHz 1ppm TA QA

Mouser Part No
428-203603-MG01

Micro Crystal

Real Time Clock 32.768kHz I2C Time Acc. 1ppm

Learn More

Datasheet

18,086In Stock

Cut Tape

$3.31

$2.47

$2.26

$2.02

Reel

$1.77

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

Backup Switching

1.2 V

5.5 V

- 40 C

+ 85 C

RV-3028

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8 AECQ200 Temperature Sensor & Real Time Clock

RV-3032-C7 32.768kHz-2.5PPM-TA-QA
Micro Crystal
1: $4.21
1,999In Stock

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

Mouser Part No
428-203853-MG01

Micro Crystal

Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8 AECQ200 Temperature Sensor & Real Time Clock

Learn More

Datasheet

1,999In Stock

Cut Tape

$4.21

$3.15

$2.88

$2.61

Reel

$2.45

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

AEC-Q200

Reel, Cut Tape, MouseReel

Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C

RV-8803-C7-32.768k-3PPM-TA-QA
Micro Crystal
1: $4.07
16,297In Stock

Mfr. Part No.
RV-8803-C7-32.768k-3PPM-TA-QA

Mouser Part No
428-203035-MG01

Micro Crystal

Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C

Datasheet

16,297In Stock

Cut Tape

$4.07

$3.04

$2.79

$2.51

Reel

$1.93

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

No Backup Switching

1.5 V

5.5 V

- 40 C

+ 85 C

RV-8803-C7

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7mm

RV-8263-C8 32.768kHz-20PPM-TA-QC
Micro Crystal
1: $2.01
2,993In Stock
New At Mouser

Mfr. Part No.
RV-8263-C8 32.768kHz-20PPM-TA-QC

Mouser Part No
428-204208-MC01

New At Mouser

Micro Crystal

Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7mm

Learn More

Datasheet

2,993In Stock

Cut Tape

$2.01

$1.47

$1.33

$1.17

Reel

$1.00

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

I2C

YY-MM-DD-dd

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

SON-8

900 mV

5.5 V

- 40 C

+ 85 C

RV-8263-C8

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C

RV-8803-C7-32.768KHZ-3PPM-TA-QC
Micro Crystal
1: $3.64
18,991In Stock

Mfr. Part No.
RV-8803-C7-32.768KHZ-3PPM-TA-QC

Mouser Part No
428-202677-MG01

Micro Crystal

Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C

Learn More

Datasheet

18,991In Stock

Cut Tape

$3.64

$2.71

$2.49

$2.22

Reel

$1.95

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

No Backup Switching

1.5 V

5.5 V

- 40 C

+ 85 C

RV-8803-C7

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz I2C Time Acc. 1ppm

RV-3028-C7 32.768kHz 1ppm TA QC
Micro Crystal
1: $3.14
58,214In Stock

Mfr. Part No.
RV-3028-C7 32.768kHz 1ppm TA QC

Mouser Part No
428-203591-MG01

Micro Crystal

Real Time Clock 32.768kHz I2C Time Acc. 1ppm

Learn More

Datasheet

58,214In Stock

Cut Tape

$3.14

$2.35

$2.15

$1.92

Reel

$1.70

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

Backup Switching

1.2 V

5.5 V

- 40 C

+ 85 C

RV-3028

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C

RV-4162-C7-32.768kHz-20PPM-TA-QC
Micro Crystal
1: $3.08
13,363In Stock

Mfr. Part No.
RV-4162-C7-32.768kHz-20PPM-TA-QC

Mouser Part No
428-200007-MG01

Micro Crystal

Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C

Learn More

Datasheet

13,363In Stock

Cut Tape

$3.08

$2.47

$2.24

$2.01

Reel

$1.77

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

No Backup Switching

1 V

4.4 V

- 40 C

+ 85 C

RV-4162-C7

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: $5.21
1,168In 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

1,168In Stock

Cut Tape

$5.21

$3.93

$3.62

$3.27

View

Reel

$2.48

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 I2C Time Acc. 25ppm

RV-3129-C3 32.768kHz OPTION B TA QC
Micro Crystal
1: $4.20
2,899In 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

2,899In Stock

Cut Tape

$4.20

$3.15

$2.88

$2.61

Reel

$2.29

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 32.768 kHz +/-20 PPM SPI -40/+85C

RV-8063-C7-32.768KHZ-20PPM-TA-QC
Micro Crystal
1: $2.09
7,947In Stock

Mfr. Part No.
RV-8063-C7-32.768KHZ-20PPM-TA-QC

Mouser Part No
428-203119-MG01

Micro Crystal

Real Time Clock 32.768 kHz +/-20 PPM SPI -40/+85C

Learn More

Datasheet

7,947In Stock

Cut Tape

$2.09

$1.54

$1.40

$1.23

Reel

$1.03

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Serial, I2C, SPI

YY-MM-DD-dd

HH:MM:SS (24 hr)

No Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

RV-8063-C7

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: $6.98
1,196In 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

1,196In Stock

Cut Tape

$6.98

$4.80

$4.47

$3.93

Reel

$2.83

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 SPI Time Acc. 25ppm

RV-3149-C3 32.768kHz OPTION B TA QC
Micro Crystal
1: $4.86
737In Stock

Mfr. Part No.
RV-3149-C3 32.768kHz OPTION B TA QC

Mouser Part No
428-203605-MG01

Micro Crystal

Real Time Clock 32.768kHz SPI Time Acc. 25ppm

Learn More

Datasheet

737In Stock

Cut Tape

$4.86

$3.66

$3.36

$3.04

Reel

$2.56

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

SPI

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 B

Backup Switching

1.3 V

5.5 V

- 40 C

+ 85 C

RV-3149

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz SPI Time Acc. 6ppm AEC

RV-3149-C3 32.768kHz OPTION A TB QA
Micro Crystal
1: $6.13
1,447In Stock

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

Mouser Part No
428-203641-MG01

Micro Crystal

Real Time Clock 32.768kHz SPI Time Acc. 6ppm AEC

Learn More

Datasheet

1,447In Stock

Cut Tape

$6.13

$4.66

$4.29

$3.88

Reel

$3.47

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 SPI 20ppm 2.0x1.2x0.7 AEC-Q200

RV-8063-C8 32.768kHz-20PPM-TA-QA
Micro Crystal
1: $2.09
970In Stock
New At Mouser

Mfr. Part No.
RV-8063-C8 32.768kHz-20PPM-TA-QA

Mouser Part No
428-204290-MC01

New At Mouser

Micro Crystal

Real Time Clock 32.768kHz SPI 20ppm 2.0x1.2x0.7 AEC-Q200

Learn More

Datasheet

970In Stock

Cut Tape

$2.09

$1.54

$1.40

$1.23

Reel

$1.03

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Serial 3-Wire, SPI

YY-MM-DD-dd

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

SON-8

900 mV

5.5 V

- 40 C

+ 85 C

RV-8063-C8

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz, 20PPM, Real-Time Clock Module with SPI-Bus

RV-8063-C8 32.768kHz-20PPM-TA-QC
Micro Crystal
1: $2.01
885In Stock
New At Mouser

Mfr. Part No.
RV-8063-C8 32.768kHz-20PPM-TA-QC

Mouser Part No
428-204233-MC01

New At Mouser

Micro Crystal

Real Time Clock 32.768kHz, 20PPM, Real-Time Clock Module with SPI-Bus

Learn More

Datasheet

885In Stock

Cut Tape

$2.01

$1.47

$1.33

$1.17

Reel

$0.984

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

SPI

YY-MM-DD-dd

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

SON-8

900 mV

5.5 V

- 40 C

+ 85 C

RV-8063-C8

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7 AEC-Q200

RV-8263-C8 32.768kHz-20PPM-TA-QA
Micro Crystal
1: $2.09
195In Stock
1,000Expected 2026/03/27
New At Mouser

Mfr. Part No.
RV-8263-C8 32.768kHz-20PPM-TA-QA

Mouser Part No
428-204291-MC01

New At Mouser

Micro Crystal

Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7 AEC-Q200

Learn More

Datasheet

195In Stock

1,000Expected 2026/03/27

Cut Tape

$2.09

$1.54

$1.40

$1.23

Reel

$1.03

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

I2C

YY-MM-DD-dd

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

SON-8

900 mV

5.5 V

- 40 C

+ 85 C

RV-8263-C8

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C

RV-4162-C7-32.768k-20PPM-TA-QA
Micro Crystal
1: $2.99
101In Stock
1,000Expected 2026/04/06

Mfr. Part No.
RV-4162-C7-32.768k-20PPM-TA-QA

Mouser Part No
428-202471-MG01

Micro Crystal

Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C

Datasheet

101In Stock

1,000Expected 2026/04/06

Cut Tape

$2.99

$2.55

$2.48

$2.33

Reel

$2.05

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

No Backup Switching

1 V

4.4 V

- 40 C

+ 85 C

RV-4162-C7

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz I2C Time Acc. 6ppm AEC

RV-3129-C3 32.768kHz OPTION A TB QA
Micro Crystal
1: $5.61
6,155Expected 2026/03/20

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

Mouser Part No
428-203618-MG01

Micro Crystal

Real Time Clock 32.768kHz I2C Time Acc. 6ppm AEC

Learn More

Datasheet

6,155Expected 2026/03/20

Cut Tape

$5.61

$4.24

$3.91

$3.52

Reel

$3.14

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 32.768 kHz OPTION B TEMP COMP I2C

RV-3029-C3-32.768KHZ-OPTION-B-TA-QC
Micro Crystal
1,000: $2.88
Non-Stocked Lead-Time 4 Weeks
NRND

Mfr. Part No.
RV-3029-C3-32.768KHZ-OPTION-B-TA-QC

Mouser Part No
428-201732-MG01

NRND

Micro Crystal

Real Time Clock 32.768 kHz OPTION B TEMP COMP I2C

Datasheet

Product Comments

Non-Stocked Lead-Time 4 Weeks

$2.88

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

- 40 C

+ 85 C

RV-3029-C3

SMD/SMT

Real Time Clock 32.768 kHz OPTION B TEMP COMP AEC-Q200

RV-3049-C3-32.768k-OPTION-B-TB-QA
Micro Crystal
1,000: $3.11
Non-Stocked
NRND

Mfr. Part No.
RV-3049-C3-32.768k-OPTION-B-TB-QA

Mouser Part No
428-202386-MG01

NRND

Micro Crystal

Real Time Clock 32.768 kHz OPTION B TEMP COMP AEC-Q200

Datasheet

Product Comments

Non-Stocked

$3.11

$2.99

Min.: 1,000
Mult.: 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

+ 125 C

RV-3049-C3

SMD/SMT

AEC-Q200

Real Time Clock 32.768 kHz OPTION A TEMP COMP AEC-Q200

RV-3029-C3-32.768k-OPTION-A-TB-QA
Micro Crystal
1,000: $3.73
Non-Stocked
NRND

Mfr. Part No.
RV-3029-C3-32.768k-OPTION-A-TB-QA

Mouser Part No
428-202651-MG01

NRND

Micro Crystal

Real Time Clock 32.768 kHz OPTION A TEMP COMP AEC-Q200

Datasheet

Product Comments

Non-Stocked

$3.73

$3.57

Min.: 1,000
Mult.: 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

+ 125 C

RV-3029-C3

SMD/SMT

AEC-Q200

2820 Real Time Clock

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