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Real Time Clock

Real Time Clocks are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many real time clock manufacturers including Analog Devices, Epson, Microchip, Micro Crystal, NXP, Renesas Electronics, STMicroelectronics & more.
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Please view our large selection of real time clocks below.

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Results: 602

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Part #

Real Time Clock REAL TIME CLK W/MFK IMPROVED ESD AIR

ISL12022MIBZ-TR5421
Renesas / Intersil
3,000: $4.17
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
ISL12022MIBZ-TR5421

Mouser Part No
968-ISL12022MIBZTR54

Renesas / Intersil

Real Time Clock REAL TIME CLK W/MFK IMPROVED ESD AIR

Datasheet

Non-Stocked Lead-Time 22 Weeks

Cut Tape

$4.17

Min.: 3,000
Mult.: 1,000

: 1,000

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SOIC-20

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL12022

SMD/SMT

Reel

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

ISL12058IBZ-T
Renesas / Intersil
2,500: $1.51
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
ISL12058IBZ-T

Mouser Part No
968-ISL12058IBZ-T

Renesas / Intersil

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

Datasheet

Non-Stocked Lead-Time 22 Weeks

Reel

$1.51

$1.49

Min.: 2,500
Mult.: 2,500

: 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

ISL12058

SMD/SMT

Reel

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

ISL12058IRTZ-T
Renesas / Intersil
6,000: $1.49
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
ISL12058IRTZ-T

Mouser Part No
968-ISL12058IRTZ-T

Renesas / Intersil

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

Datasheet

Non-Stocked Lead-Time 22 Weeks

Reel

$1.49

Min.: 6,000
Mult.: 6,000

: 6,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

TDFN-8

No Backup Switching

1.8 V

3.6 V

- 40 C

+ 85 C

ISL12058

SMD/SMT

Reel

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

1337AGDVGI8
Renesas Electronics
1: $2.72
Non-Stocked Lead-Time 33 Weeks

Mfr. Part No.
1337AGDVGI8

Mouser Part No
972-1337AGDVGI8

Renesas Electronics

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

Datasheet

Non-Stocked Lead-Time 33 Weeks

Cut Tape

$2.72

$2.02

$1.84

$1.65

View

Reel

$1.36

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

MSOP-8

1337AGD

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock .9RTC BASE

1338-31DVGI
Renesas Electronics
1: $3.32
Non-Stocked Lead-Time 33 Weeks

Mfr. Part No.
1338-31DVGI

Mouser Part No
972-1338-31DVGI

Renesas Electronics

Real Time Clock .9RTC BASE

Datasheet

Non-Stocked Lead-Time 33 Weeks

$3.32

$2.48

$2.12

$2.03

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

MSOP-8

Backup Switching

3.3 V

5.5 V

- 40 C

+ 85 C

1338

SMD/SMT

Tube

Real Time Clock 1338B-18 REAL TIME CLOCK

1338B-18DVGI
Renesas Electronics
1: $2.94
Non-Stocked Lead-Time 33 Weeks

Mfr. Part No.
1338B-18DVGI

Mouser Part No
972-1338B-18DVGI

Renesas Electronics

Real Time Clock 1338B-18 REAL TIME CLOCK

Datasheet

Non-Stocked Lead-Time 33 Weeks

$2.94

$2.20

$1.82

$1.81

View

Min.: 1
Mult.: 1

1338

Tube

Real Time Clock Real Time Clock

1339-31DCGI
Renesas Electronics
1: $3.93
Non-Stocked Lead-Time 33 Weeks

Mfr. Part No.
1339-31DCGI

Mouser Part No
972-1339-31DCGI

Renesas Electronics

Real Time Clock Real Time Clock

Datasheet

Non-Stocked Lead-Time 33 Weeks

$3.93

$2.96

$2.65

$2.40

$2.33

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

SOIC-8

Backup Switching

3.3 V

5.5 V

- 40 C

+ 85 C

1339

SMD/SMT

Tube

Real Time Clock Real Time Clock

1339-31DCGI8
Renesas Electronics
1: $3.93
Non-Stocked Lead-Time 33 Weeks

Mfr. Part No.
1339-31DCGI8

Mouser Part No
972-1339-31DCGI8

Renesas Electronics

Real Time Clock Real Time Clock

Datasheet

Non-Stocked Lead-Time 33 Weeks

Cut Tape

$3.93

$2.96

$2.72

$2.46

$2.33

Reel

$2.33

Min.: 1
Mult.: 1

: 3,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

SOIC-8

Backup Switching

1.3 V

3.6 V

- 40 C

+ 85 C

1339

SMD/SMT

Reel, Cut Tape

Real Time Clock Real Time Clock

1339-31DVGI
Renesas Electronics
1: $3.32
Non-Stocked Lead-Time 33 Weeks

Mfr. Part No.
1339-31DVGI

Mouser Part No
972-1339-31DVGI

Renesas Electronics

Real Time Clock Real Time Clock

Datasheet

Non-Stocked Lead-Time 33 Weeks

$3.32

$2.48

$2.36

$2.23

View

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

Real Time Clock 1339D-31 REAL TIME CLOCK

1339D-31DVGI
Renesas Electronics
1: $2.88
Non-Stocked Lead-Time 33 Weeks

Mfr. Part No.
1339D-31DVGI

Mouser Part No
972-1339D-31DVGI

Renesas Electronics

Real Time Clock 1339D-31 REAL TIME CLOCK

Datasheet

Non-Stocked Lead-Time 33 Weeks

$2.88

$2.15

$1.96

$1.75

$1.64

Min.: 1
Mult.: 1

1339

Tube

Real Time Clock 4-wire Serial Interface

RS5C348A-E2-F
Nisshinbo
1: $1.65
Non-Stocked Lead-Time 12 Weeks
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

Non-Stocked Lead-Time 12 Weeks

Cut Tape

$1.65

$1.21

$1.09

$0.961

Reel

$0.78

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Serial 4-Wire

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

RS5C348

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768 kHz OPTION B TEMP COMP SPI

RV-3049-C3-32.768KHZ-OPTION-B-TA-QC
Micro Crystal
1,000: $2.03
Non-Stocked
NRND

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

Mouser Part No
428-201734-MG01

NRND

Micro Crystal

Real Time Clock 32.768 kHz OPTION B TEMP COMP SPI

Datasheet

Non-Stocked

$2.03

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

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

Backup Switching

1.3 V

5.5 V

- 40 C

+ 85 C

RV-3049-C3

SMD/SMT

Real Time Clock 32.768 kHz OPTION A TEMP COMP I2C

RV-3029-C3-32.768KHZ-OPTION-A-TA-QC
Micro Crystal
1,000: $2.51
Non-Stocked
NRND

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

Mouser Part No
428-201875-MG01

NRND

Micro Crystal

Real Time Clock 32.768 kHz OPTION A TEMP COMP I2C

Datasheet

Non-Stocked

$2.51

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 -40/+125C

RV-3029-C3-32.768KHZ-OPTION-B-TB-QC
Micro Crystal
1,000: $2.30
Non-Stocked
NRND

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

Mouser Part No
428-201990-MG01

NRND

Micro Crystal

Real Time Clock 32.768 kHz OPTION B TEMP COMP -40/+125C

Datasheet

Non-Stocked

Reel

$2.30

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

: 1,000

- 40 C

+ 125 C

RV-3029-C3

SMD/SMT

Reel

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

RV-3029-C3-32.768k-OPTION-B-TB-QA
Micro Crystal
1,000: $2.38
Non-Stocked
NRND

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

Mouser Part No
428-202116-MG01

NRND

Micro Crystal

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

Datasheet

Non-Stocked

$2.38

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

- 40 C

+ 125 C

RV-3029-C3

SMD/SMT

AEC-Q200

Real Time Clock 32.768 kHz OPTION A TEMP COMP -40/+125C

RV-3049-C3-32.768KHZ-OPTION-A-TB-QC
Micro Crystal
1,000: $2.69
Non-Stocked
NRND

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

Mouser Part No
428-202219-MG01

NRND

Micro Crystal

Real Time Clock 32.768 kHz OPTION A TEMP COMP -40/+125C

Datasheet

Non-Stocked

Reel

$2.69

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

: 1,000

- 40 C

+ 125 C

RV-3049-C3

SMD/SMT

Reel

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

RV-3029-C3-32.768k-OPTION-B-TA-QA
Micro Crystal
1,000: $2.18
Non-Stocked
NRND

Mfr. Part No.
RV-3029-C3-32.768k-OPTION-B-TA-QA

Mouser Part No
428-202221-MG01

NRND

Micro Crystal

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

Datasheet

Non-Stocked

Reel

$2.18

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

: 1,000

- 40 C

+ 85 C

RV-3029-C3

SMD/SMT

AEC-Q200

Reel

Real Time Clock 32.768 kHz OPTION B TEMP COMP -40/+125C

RV-3049-C3-32.768KHZ-OPTION-B-TB-QC
Micro Crystal
1,000: $2.30
Non-Stocked
NRND

Mfr. Part No.
RV-3049-C3-32.768KHZ-OPTION-B-TB-QC

Mouser Part No
428-202302-MG01

NRND

Micro Crystal

Real Time Clock 32.768 kHz OPTION B TEMP COMP -40/+125C

Datasheet

Non-Stocked

Reel

$2.30

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

: 1,000

- 40 C

+ 125 C

RV-3049-C3

SMD/SMT

Reel

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: $2.38
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

Non-Stocked

$2.38

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

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

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: $2.80
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

Non-Stocked

$2.80

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

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

Backup Switching

1.3 V

5.5 V

- 40 C

+ 125 C

RV-3029-C3

SMD/SMT

AEC-Q200

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

RV-3049-C3-32.768k-OPTION-A-TB-QA
Micro Crystal
1,000: $2.80
Non-Stocked
NRND

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

Mouser Part No
428-202670-MG01

NRND

Micro Crystal

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

Datasheet

Non-Stocked

$2.80

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

- 40 C

+ 125 C

RV-3049-C3

SMD/SMT

AEC-Q200

Real Time Clock

S-35190AH-J8T2U
ABLIC
4,000: $1.11
Non-Stocked Lead-Time 24 Weeks
Factory Special Order

Mfr. Part No.
S-35190AH-J8T2U

Mouser Part No
628-S-35190AH-J8T2U

Factory Special Order

ABLIC

Real Time Clock

Datasheet

Non-Stocked Lead-Time 24 Weeks

Reel

$1.11

Min.: 4,000
Mult.: 4,000

: 4,000

Serial 3-Wire

YY-MM-DD-dd

HH:MM:SS (24 hr)

SOP-8

Backup Switching

1.3 V

5.5 V

- 40 C

+ 105 C

S-35190AH

SMD/SMT

Reel

Real Time Clock

S-35190AH-T8T2U
ABLIC
4,000: $1.02
Non-Stocked Lead-Time 24 Weeks
Factory Special Order

Mfr. Part No.
S-35190AH-T8T2U

Mouser Part No
628-S-35190AH-T8T2U

Factory Special Order

ABLIC

Real Time Clock

Datasheet

Non-Stocked Lead-Time 24 Weeks

Reel

$1.02

Min.: 4,000
Mult.: 4,000

: 4,000

Serial 3-Wire

YY-MM-DD-dd

HH:MM:SS (24 hr)

TSSOP-8

Backup Switching

1.3 V

5.5 V

- 40 C

+ 105 C

S-35190AH

SMD/SMT

Reel

Real Time Clock

S-35390AH-J8T2U
ABLIC
4,000: $1.02
Non-Stocked Lead-Time 24 Weeks
Factory Special Order

Mfr. Part No.
S-35390AH-J8T2U

Mouser Part No
628-S-35390AH-J8T2U

Factory Special Order

ABLIC

Real Time Clock

Datasheet

Non-Stocked Lead-Time 24 Weeks

Reel

$1.02

Min.: 4,000
Mult.: 4,000

: 4,000

S-35390AH

Reel

Real Time Clock

S-35390AH-T8T2U
ABLIC
4,000: $1.02
Non-Stocked Lead-Time 24 Weeks
Factory Special Order

Mfr. Part No.
S-35390AH-T8T2U

Mouser Part No
628-S-35390AH-T8T2U

Factory Special Order

ABLIC

Real Time Clock

Datasheet

Non-Stocked Lead-Time 24 Weeks

Reel

$1.02

Min.: 4,000
Mult.: 4,000

: 4,000

S-35390AH

Reel

Real Time Clock

Customer Service Office

Company

Resources

Support

3.2 mm x 2.5 mm x 1 mm
DFN-16
DFN-20
DFN2626-10
DFN-8
HWSON-8
MSOP-10
MSOP-8
PCDIP-24
PCDIP-28
PDIP-8
PLCC-28
QFN0202-18
QFN023023-16
QFN-16
QFN1818-12
SMD-10
SNT-A-8
SO-16
SO-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
1.8 V
2 V
2.38 V
2.4 V
2.5 V
2.7 V
3 V
3.3 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

1 uA
1.2 uA
1.4 mA
1.5 uA
1.8 uA
10 uA
100 uA
160 nA
180 nA
190 nA
2 mA
2 mA, 3 mA
2 uA
2.5 uA
200 nA
200 uA
220 nA
240 nA
250 nA
3 mA