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Nisshinbo Micro Devices Real Time Clock

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Part #

Real Time Clock 4-Wire Real Time Clock IC

RV5C348A-E2-F
Nisshinbo
1: $1.57
1,979In Stock

Mfr. Part No.
RV5C348A-E2-F

Mouser Part No
848-RV5C348AE2F

Nisshinbo

Real Time Clock 4-Wire Real Time Clock IC

Datasheet

1,979In Stock

Cut Tape

$1.57

$1.15

$1.05

$0.927

View

Reel

$0.729

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 4-wire Real Time Clock Module

R2045S-E2-FE
Nisshinbo
1: $4.50
4,211In Stock

Mfr. Part No.
R2045S-E2-FE

Mouser Part No
848-R2045S-E2-FE

Nisshinbo

Real Time Clock 4-wire Real Time Clock Module

Datasheet

4,211In Stock

Cut Tape

$4.50

$3.42

$3.15

$2.85

View

Reel

$2.37

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Serial 4-Wire

YY-MM-DD-dd

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

No Backup Switching

1.7 V

5.5 V

- 40 C

+ 85 C

R2045S/D

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2223L-E2
Nisshinbo
1: $1.57
12,041In Stock

Mfr. Part No.
R2223L-E2

Mouser Part No
848-R2223L-E2

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

12,041In Stock

Cut Tape

$1.57

$1.15

$1.05

$0.927

View

Reel

$0.729

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Serial 2-Wire, I2C

BCD

QFN1818-12

No Backup Switching

1.5 V

5.5 V

- 40 C

+ 85 C

R2223L

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

RS5C372B-E2-F
Nisshinbo
1: $1.90
9In Stock
2,000Expected 2026/04/21

Mfr. Part No.
RS5C372B-E2-F

Mouser Part No
848-RS5C372B-E2-F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

9In Stock

2,000Expected 2026/04/21

Cut Tape

$1.90

$1.64

$1.60

$1.49

Reel

$0.862

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

16 B

SSOP-8

Backup Switching

2 V

6 V

- 40 C

+ 85 C

RS5C372

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 4-wire Serial Interface

RS5C348A-E2-F
Nisshinbo
1: $1.57
10,295In Stock
End of Life

Mfr. Part No.
RS5C348A-E2-F

Mouser Part No
848-RS5C348A-E2-F

End of Life

Nisshinbo

Real Time Clock 4-wire Serial Interface

Datasheet

10,295In Stock

Cut Tape

$1.57

$1.15

$1.05

$0.927

Reel

$0.745

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Serial 4-Wire

YY-MM-DD-dd

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

16 B

SSOP-10

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

RS5C348

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2051L02-E2
Nisshinbo
1: $1.55
3,625In Stock

Mfr. Part No.
R2051L02-E2

Mouser Part No
848-R2051L02-E2

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

3,625In Stock

Cut Tape

$1.55

$1.13

$1.03

$0.911

View

Reel

$0.715

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

QFN023023-16

Backup Switching

750 mV

5.5 V

- 40 C

+ 85 C

R2051L

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 3-Wire Real Time Clock IC

R2033T-E2-F
Nisshinbo
1: $2.31
1,989In Stock

Mfr. Part No.
R2033T-E2-F

Mouser Part No
848-R2033TE2F

Nisshinbo

Real Time Clock 3-Wire Real Time Clock IC

Datasheet

1,989In Stock

Cut Tape

$2.31

$1.49

$1.33

$1.10

View

Reel

$0.664

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Serial 3-Wire

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

R2033T

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 4-wire Serial Interface

RV5C348B-E2-F
Nisshinbo
1: $1.57
1,700In Stock

Mfr. Part No.
RV5C348B-E2-F

Mouser Part No
848-RV5C348B-E2-F

Nisshinbo

Real Time Clock 4-wire Serial Interface

Datasheet

1,700In Stock

Cut Tape

$1.57

$1.15

$1.05

$0.927

View

Reel

$0.729

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Serial 4-Wire

YY-MM-DD-dd

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

16 B

SSOP-10

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

RV5C348

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2023T-E2-F
Nisshinbo
1: $2.31
7,023In Stock

Mfr. Part No.
R2023T-E2-F

Mouser Part No
848-R2023TE2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

7,023In Stock

Cut Tape

$2.31

$1.49

$1.33

$1.10

Reel

$0.785

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 Hi Prec I2C-Bus Real Time Clock Mod

R2025S-E2-FE
Nisshinbo
1: $4.28
1,462In Stock

Mfr. Part No.
R2025S-E2-FE

Mouser Part No
848-R2025S-E2-FE

Nisshinbo

Real Time Clock Hi Prec I2C-Bus Real Time Clock Mod

Learn More

Datasheet

1,462In Stock

Cut Tape

$4.28

$3.24

$2.99

$2.70

Reel

$2.41

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

1.7 V

5.5 V

- 40 C

+ 85 C

R2025S/D

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2051S01-E2-F
Nisshinbo
1: $1.65
2,128In Stock

Mfr. Part No.
R2051S01-E2-F

Mouser Part No
848-R2051S01E2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

2,128In Stock

Cut Tape

$1.65

$1.21

$1.10

$0.976

Reel

$0.83

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

SSOP-16

Backup Switching

750 mV

5.5 V

- 40 C

+ 85 C

R2051S

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

RS5C372A-E2-F
Nisshinbo
1: $1.57
2,205In Stock

Mfr. Part No.
RS5C372A-E2-F

Mouser Part No
848-RS5C372AE2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Learn More

Datasheet

2,205In Stock

Cut Tape

$1.57

$1.15

$1.05

$0.928

Reel

$0.79

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

SSOP-8

Backup Switching

1.7 V

6 V

- 40 C

+ 85 C

RS5C372

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

RV5C387A-E2-F
Nisshinbo
1: $2.54
9,018In Stock

Mfr. Part No.
RV5C387A-E2-F

Mouser Part No
848-RV5C387A-E2-F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

9,018In Stock

Cut Tape

$2.54

$1.64

$1.47

$1.21

Reel

$0.862

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

16 B

SSOP-10

No Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

RV5C387

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock Module

R2025D-E2-F
Nisshinbo
1: $5.40
1,000In Stock
End of Life

Mfr. Part No.
R2025D-E2-F

Mouser Part No
848-R2025DE2F

End of Life

Nisshinbo

Real Time Clock 2-Wire Real Time Clock Module

Datasheet

1,000In Stock

Cut Tape

$5.40

$3.90

$3.63

$3.54

Reel

$2.42

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)

SON-22

No Backup Switching

1.7 V

5.5 V

- 40 C

+ 85 C

R2025D

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 4-Wire Real Time Clock IC

R2043T-E2-F
Nisshinbo
1: $1.45
83In Stock
2,000Expected 2026/04/03

Mfr. Part No.
R2043T-E2-F

Mouser Part No
848-R2043TE2F

Nisshinbo

Real Time Clock 4-Wire Real Time Clock IC

Datasheet

83In Stock

2,000Expected 2026/04/03

Cut Tape

$1.45

$1.06

$0.957

$0.849

Reel

$0.72

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Serial 4-Wire, SPI

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

R2043T

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2051S02-E2-F
Nisshinbo
1: $2.67
709In Stock

Mfr. Part No.
R2051S02-E2-F

Mouser Part No
848-R2051S02E2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

709In Stock

Cut Tape

$2.67

$1.73

$1.54

$1.27

Reel

$0.83

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

SSOP-16

Backup Switching

750 mV

5.5 V

- 40 C

+ 85 C

R2051S

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2221T-E2-F
Nisshinbo
1: $1.55
975In Stock

Mfr. Part No.
R2221T-E2-F

Mouser Part No
848-R2221TE2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

975In Stock

Cut Tape

$1.55

$1.13

$1.03

$0.912

Reel

$0.776

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

TSSOP-10

No Backup Switching

1.5 V

5.5 V

- 40 C

+ 85 C

R2221T

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2051L01-E2
Nisshinbo
1: $2.49
79In Stock

Mfr. Part No.
R2051L01-E2

Mouser Part No
848-R2051L01-E2

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

79In Stock

Cut Tape

$2.49

$1.60

$1.44

$1.19

Reel

$0.737

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

QFN023023-16

Backup Switching

750 mV

5.5 V

- 40 C

+ 85 C

R2051L

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2223T-E2-F
Nisshinbo
1: $1.86
2,000Expected 2026/02/20

Mfr. Part No.
R2223T-E2-F

Mouser Part No
848-R2223TE2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

2,000Expected 2026/02/20

Cut Tape

$1.86

$1.36

$1.24

$1.10

Reel

$0.847

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

TSSOP-10

No Backup Switching

1.5 V

5.5 V

- 40 C

+ 85 C

R2223T

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 4-Wire Real Time Clock IC

R2043L-E2
Nisshinbo
3,000: $0.70
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
R2043L-E2

Mouser Part No
848-R2043L-E2

Nisshinbo

Real Time Clock 4-Wire Real Time Clock IC

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.70

$0.69

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

Reel: 3,000

Serial 4-Wire, SPI

BCD

QFN023023-16

No Backup Switching

1.7 V

5.5 V

- 40 C

+ 85 C

R2043L

SMD/SMT

Reel

Real Time Clock High precision I2C-Bus Real-Time Clock Module

R2051S03-E2-F
Nisshinbo
2,000: $0.83
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
R2051S03-E2-F

Mouser Part No
848-R2051S03-E2-F

Nisshinbo

Real Time Clock High precision I2C-Bus Real-Time Clock Module

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.83

$0.79

$0.771

Min.: 2,000
Mult.: 2,000

Reel: 2,000

SSOP-16

R2051S

Reel

Real Time Clock 2-Wire Real Time Clock IC

R2051T01-E2-F
Nisshinbo
2,000: $0.776
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
R2051T01-E2-F

Mouser Part No
848-R2051T01E2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.776

$0.737

$0.72

Min.: 2,000
Mult.: 2,000

Reel: 2,000

Serial 2-Wire, I2C

BCD

TSSOP-10

Backup Switching

750 mV

5.5 V

- 40 C

+ 85 C

R2051T

SMD/SMT

Reel

Real Time Clock 3-Wire Real Time Clock IC

R2061L01-E2
Nisshinbo
3,000: $0.739
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
R2061L01-E2

Mouser Part No
848-R2061L01-E2

Nisshinbo

Real Time Clock 3-Wire Real Time Clock IC

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.739

$0.725

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

Reel: 3,000

Serial 3-Wire

BCD

QFN023023-16

Backup Switching

750 mV

5.5 V

- 40 C

+ 85 C

R2061L

SMD/SMT

Reel

Real Time Clock 3-Wire Real Time Clock IC

R2061S02-E2-F
Nisshinbo
2,000: $0.83
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
R2061S02-E2-F

Mouser Part No
848-R2061S02E2F

Nisshinbo

Real Time Clock 3-Wire Real Time Clock IC

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.83

$0.79

$0.771

Min.: 2,000
Mult.: 2,000

Reel: 2,000

Serial 3-Wire

BCD

SSOP-16

Backup Switching

750 mV

5.5 V

- 40 C

+ 85 C

R2061S

SMD/SMT

Reel

Real Time Clock 3-Wire Real Time Clock IC

R2062L01-E2
Nisshinbo
3,000: $0.727
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
R2062L01-E2

Mouser Part No
848-R2062L01-E2

Nisshinbo

Real Time Clock 3-Wire Real Time Clock IC

Non-Stocked Lead-Time 12 Weeks

Reel

$0.727

$0.715

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

Reel: 3,000

Serial 3-Wire

BCD

QFN023023-16

Backup Switching

750 mV

5.5 V

- 40 C

+ 85 C

R2062L

SMD/SMT

Reel

Nisshinbo Micro Devices Real Time Clock

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NJU6350
R2023L
R2023T
R2025D
R2025S/D
R2033T
R2043L
R2043T
R2045S/D
R2051L
R2051S
R2051T
R2061L
R2061S
R2062L
R2221L
R2221T
R2223L
R2223T
R2262L