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

Renesas Electronics Real Time Clock

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

Results: 57

Applied Filters:

Manufacturer = Renesas Electronics

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

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 REAL TIME CLK W/ ALARM DS1337 COMP

ISL12057IBZ-T
Renesas / Intersil
1: $2.73
12,732In 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

12,732In Stock

Cut Tape

$2.73

$2.04

$1.85

$1.67

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 .9RTC BASE

1338-31DCGI
Renesas Electronics
1: $3.68
1,787In Stock

Mfr. Part No.
1338-31DCGI

Mouser Part No
972-1338-31DCGI

Renesas Electronics

Real Time Clock .9RTC BASE

Datasheet

1,787In Stock

$3.68

$2.77

$2.30

$2.07

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

56 B

SOIC-8

Backup Switching

1.3 V

3.7 V

- 40 C

+ 85 C

1338

SMD/SMT

Tube

Real Time Clock .9RTC BASE

1338-31DVGI8
Renesas Electronics
1: $4.58
6,067In Stock

Mfr. Part No.
1338-31DVGI8

Mouser Part No
972-1338-31DVGI8

Renesas Electronics

Real Time Clock .9RTC BASE

Datasheet

6,067In Stock

Cut Tape

$4.58

$3.04

$2.76

$2.35

Reel

$1.58

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Serial 2-Wire, I2C

YY-MM-DD-dd

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

56 B

MSOP-8

Backup Switching

1.3 V

3.7 V

- 40 C

+ 85 C

1338

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP

ISL12057IBZ
Renesas / Intersil
1: $2.73
2,052In Stock

Mfr. Part No.
ISL12057IBZ

Mouser Part No
968-ISL12057IBZ

Renesas / Intersil

Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP

Datasheet

2,052In Stock

$2.73

$2.04

$1.86

$1.67

View

Min.: 1
Mult.: 1

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

Tube

Real Time Clock LW PWR RTC W/RESEAL 8LD

ISL12008IB8Z-T
Renesas / Intersil
1: $3.07
1,154In Stock

Mfr. Part No.
ISL12008IB8Z-T

Mouser Part No
968-ISL12008IB8Z-T

Renesas / Intersil

Real Time Clock LW PWR RTC W/RESEAL 8LD

Datasheet

1,154In Stock

Cut Tape

$3.07

$2.31

$2.11

$1.90

Reel

$1.63

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Serial 2-Wire, I2C

YY-MM-DD-dd

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

SOIC-8

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL12008

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock REAL TIME CLK & TEMP COMPENSATED CRYSTAL

ISL12022MIBZ
Renesas / Intersil
1: $7.23
358In Stock

Mfr. Part No.
ISL12022MIBZ

Mouser Part No
968-ISL12022MIBZ

Renesas / Intersil

Real Time Clock REAL TIME CLK & TEMP COMPENSATED CRYSTAL

Datasheet

358In Stock

$7.23

$5.58

$4.75

$4.41

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 B

SOIC-20

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL12022

SMD/SMT

Tube

Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD

ISL1209IU10Z
Renesas / Intersil
1: $4.63
1,144In Stock

Mfr. Part No.
ISL1209IU10Z

Mouser Part No
968-ISL1209IU10Z

Renesas / Intersil

Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD

Datasheet

1,144In Stock

$4.63

$3.33

$2.97

$2.69

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

MSOP-10

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL1209

SMD/SMT

Tube

Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS

ISL12058IBZ
Renesas / Intersil
1: $2.73
2,122In Stock

Mfr. Part No.
ISL12058IBZ

Mouser Part No
968-ISL12058IBZ

Renesas / Intersil

Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS

Datasheet

2,122In Stock

$2.73

$2.04

$1.86

$1.67

View

Min.: 1
Mult.: 1

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

ISL12058

SMD/SMT

Tube

Real Time Clock LW PWR RTC W/RESEAL 8LD

ISL12008IB8Z
Renesas / Intersil
1: $3.07
5,453In Stock

Mfr. Part No.
ISL12008IB8Z

Mouser Part No
968-ISL12008IB8Z

Renesas / Intersil

Real Time Clock LW PWR RTC W/RESEAL 8LD

Datasheet

5,453In Stock

$3.07

$2.31

$2.11

$1.90

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

SOIC-8

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL12008

SMD/SMT

Tube

Real Time Clock I2CAL TIME CLK/CLNDR 8LD

ISL1208IU8Z-T7A
Renesas / Intersil
1: $4.85
2,976In Stock

Mfr. Part No.
ISL1208IU8Z-T7A

Mouser Part No
968-ISL1208IU8Z-T7A

Renesas / Intersil

Real Time Clock I2CAL TIME CLK/CLNDR 8LD

Datasheet

2,976In Stock

Cut Tape

$4.85

$3.70

$3.34

$3.09

Reel

$2.77

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

MSOP-8

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL1208

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock REAL TIME CLKRTC IN

ISL1219IUZ
Renesas / Intersil
1: $3.92
980In Stock

Mfr. Part No.
ISL1219IUZ

Mouser Part No
968-ISL1219IUZ

Renesas / Intersil

Real Time Clock REAL TIME CLKRTC IN

Datasheet

980In Stock

$3.92

$2.97

$2.37

$2.17

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

MSOP-10

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL1219

SMD/SMT

Tube

Real Time Clock .9RTC BASE

1338-31DCGI8
Renesas Electronics
1: $3.68
1,960In Stock

Mfr. Part No.
1338-31DCGI8

Mouser Part No
972-1338-31DCGI8

Renesas Electronics

Real Time Clock .9RTC BASE

Datasheet

1,960In Stock

Cut Tape

$3.68

$2.77

$2.54

$2.30

$2.26

Reel

$2.26

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

56 B

SOIC-8

Backup Switching

1.3 V

3.7 V

- 40 C

+ 85 C

1338

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L

ISL12022IBZ-T
Renesas / Intersil
1: $6.97
2,128In Stock

Mfr. Part No.
ISL12022IBZ-T

Mouser Part No
968-ISL12022IBZ-T

Renesas / Intersil

Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L

Datasheet

2,128In Stock

Cut Tape

$6.97

$5.13

$4.77

$4.20

View

Reel

$2.80

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 B

SOIC-8

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL12022

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L

ISL12022IBZ-T7A
Renesas / Intersil
1: $5.18
776In Stock
250Expected 2026/04/27

Mfr. Part No.
ISL12022IBZ-T7A

Mouser Part No
968-ISL12022IBZ-T7A

Renesas / Intersil

Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L

Datasheet

776In Stock

250Expected 2026/04/27

Cut Tape

$5.18

$3.97

$3.65

$3.31

Reel

$3.31

MouseReel Available

Min.: 1
Mult.: 1

: 250

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 B

SOIC-8

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL12022

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock REAL TIME CLK & TEMP COMPENSATED CRYSTAL

ISL12022MIBZ-T
Renesas / Intersil
1: $7.23
692In Stock

Mfr. Part No.
ISL12022MIBZ-T

Mouser Part No
968-ISL12022MIBZ-T

Renesas / Intersil

Real Time Clock REAL TIME CLK & TEMP COMPENSATED CRYSTAL

Datasheet

692In Stock

Cut Tape

$7.23

$5.58

$5.18

$4.78

Reel

$4.78

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 B

SOIC-20

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL12022

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP

ISL12057IUZ
Renesas / Intersil
1: $2.73
2,374In Stock

Mfr. Part No.
ISL12057IUZ

Mouser Part No
968-ISL12057IUZ

Renesas / Intersil

Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP

Datasheet

2,374In Stock

$2.73

$2.04

$1.76

$1.66

$1.62

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

MSOP-8

No Backup Switching

1.8 V

3.6 V

- 40 C

+ 85 C

ISL12057

SMD/SMT

Tube

Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP

ISL12057IUZ-T
Renesas / Intersil
1: $2.73
1,722In Stock
5,000Expected 2026/09/25

Mfr. Part No.
ISL12057IUZ-T

Mouser Part No
968-ISL12057IUZ-T

Renesas / Intersil

Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP

Datasheet

1,722In Stock

5,000Expected 2026/09/25

Cut Tape

$2.73

$2.04

$1.85

$1.67

$1.62

Reel

$1.62

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

MSOP-8

No Backup Switching

1.8 V

3.6 V

- 40 C

+ 85 C

ISL12057

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2C REAL TIME CLOCK/ CALENDAR 8LD

ISL1208IB8Z-TK
Renesas / Intersil
1: $2.83
2,989In Stock
3,000Expected 2026/08/10

Mfr. Part No.
ISL1208IB8Z-TK

Mouser Part No
968-ISL1208IB8Z-TK

Renesas / Intersil

Real Time Clock I2C REAL TIME CLOCK/ CALENDAR 8LD

Datasheet

2,989In Stock

3,000Expected 2026/08/10

Cut Tape

$2.83

$2.11

$1.93

$1.73

$1.67

Reel

$1.67

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

SOIC-8

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL1208

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2C REAL TIME CLOCK/ CALENDAR 8LD

ISL1208IU8Z
Renesas / Intersil
1: $3.44
1,124In Stock

Mfr. Part No.
ISL1208IU8Z

Mouser Part No
968-ISL1208IU8Z

Renesas / Intersil

Real Time Clock I2C REAL TIME CLOCK/ CALENDAR 8LD

Datasheet

1,124In Stock

$3.44

$2.59

$2.17

$2.11

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

MSOP-8

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL1208

SMD/SMT

Tube

Real Time Clock I2CAL TIME CLK/CLNDR 8LD

ISL1208IU8Z-TK
Renesas / Intersil
1: $3.44
2,522In Stock

Mfr. Part No.
ISL1208IU8Z-TK

Mouser Part No
968-ISL1208IU8Z-TK

Renesas / Intersil

Real Time Clock I2CAL TIME CLK/CLNDR 8LD

Datasheet

2,522In Stock

Cut Tape

$3.44

$2.59

$2.38

$2.14

$2.11

Reel

$2.11

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

MSOP-8

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL1208

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD

ISL1209IU10Z-TK
Renesas / Intersil
1: $3.87
1,963In Stock

Mfr. Part No.
ISL1209IU10Z-TK

Mouser Part No
968-ISL1209IU10Z-TK

Renesas / Intersil

Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD

Datasheet

1,963In Stock

Cut Tape

$3.87

$2.93

$2.69

$2.43

$2.40

Reel

$2.40

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

MSOP-10

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL1209

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RTC I2c Serial IC 1.8 to 5.5V 32kHz

1337AGDCGI
Renesas Electronics
1: $3.30
188In Stock

Mfr. Part No.
1337AGDCGI

Mouser Part No
972-1337AGDCGI

Renesas Electronics

Real Time Clock RTC I2c Serial IC 1.8 to 5.5V 32kHz

Datasheet

188In Stock

$3.30

$2.49

$2.06

$2.00

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

SOIC-8

No Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

1337AGD

SMD/SMT

Tube

Real Time Clock 1338B-18 REAL TIME CLOCK

1338B-18DVGI
Renesas Electronics
1: $2.94
192In Stock

Mfr. Part No.
1338B-18DVGI

Mouser Part No
972-1338B-18DVGI

Renesas Electronics

Real Time Clock 1338B-18 REAL TIME CLOCK

Datasheet

192In Stock

$2.94

$2.20

$1.88

$1.81

$1.78

Min.: 1
Mult.: 1

1338

Tube

Real Time Clock 1338D-31 REAL TIME CLOCK

1338D-31DVGI
Renesas Electronics
1: $2.80
191In Stock

Mfr. Part No.
1338D-31DVGI

Mouser Part No
972-1338D-31DVGI

Renesas Electronics

Real Time Clock 1338D-31 REAL TIME CLOCK

Datasheet

191In Stock

$2.80

$2.09

$1.72

$1.66

Min.: 1
Mult.: 1

1338

Tube

Real Time Clock Real Time Clock

1339-31DVGI
Renesas Electronics
1: $3.07
357In Stock

Mfr. Part No.
1339-31DVGI

Mouser Part No
972-1339-31DVGI

Renesas Electronics

Real Time Clock Real Time Clock

Datasheet

357In Stock

$3.07

$2.31

$1.91

$1.90

$1.85

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

TSSOP-8

Backup Switching

1.3 V

3.7 V

- 40 C

+ 85 C

1339

SMD/SMT

Tube

Renesas Electronics Real Time Clock

Customer Service Office

Company

Resources

Support