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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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Part #

Real Time Clock RTCs 3725 10-SMD SPI HH:MM:SS (12/24 hr) YY-MM-DD-dd

AB-RTCMC-32.768KHZ-EOA9-S3-HAT
ABRACON
1: 53,79 kr.
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
AB-RTCMC-32.768KHZ-EOA9-S3-HAT

Mouser Part No
815-2768KHZEOA9S3HAT

ABRACON

Real Time Clock RTCs 3725 10-SMD SPI HH:MM:SS (12/24 hr) YY-MM-DD-dd

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

53,79 kr.

43,86 kr.

31,41 kr.

Reel

31,41 kr.

30,96 kr.

Quote

Min.: 1
Mult.: 1

: 1.000

AB-RTCMC

Reel, Cut Tape

Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012

AB-RTC-XP-32.768KHZ-2-T3
ABRACON
3.000: 9,25 kr.
Non-Stocked Lead-Time 12 Weeks
New Product

Mfr. Part No.
AB-RTC-XP-32.768KHZ-2-T3

Mouser Part No
815-AB-RTCXP327682T

New Product

ABRACON

Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

9,25 kr.

9,03 kr.

Min.: 3.000
Mult.: 3.000

: 3.000

I2C

DFN-8

Integrated Battery

900 mV

5.5 V

- 40 C

+ 85 C

AB-RTC-XP-32.768kHz-2

SMD/SMT

Reel

Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012

AB-RTC-XPA-32.768KHZ-2-T3
ABRACON
3.000: 9,70 kr.
Non-Stocked Lead-Time 10 Weeks
New Product

Mfr. Part No.
AB-RTC-XPA-32.768KHZ-2-T3

Mouser Part No
815-ABRTCXPA327682T3

New Product

ABRACON

Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

9,70 kr.

9,47 kr.

Min.: 3.000
Mult.: 3.000

: 3.000

I2C

DFN-8

Integrated Battery

900 mV

5.5 V

- 40 C

+ 85 C

AB-RTC-XPA-32.768kHz-2

SMD/SMT

Reel

Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215

AB-RTC-XL-32.768KHZ-2-T3
ABRACON
3.000: 9,47 kr.
Non-Stocked Lead-Time 10 Weeks
New Product

Mfr. Part No.
AB-RTC-XL-32.768KHZ-2-T3

Mouser Part No
815-RTCXL32768KHZ2T3

New Product

ABRACON

Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

9,47 kr.

9,33 kr.

Min.: 3.000
Mult.: 3.000

: 3.000

I2C

HH:MM:SS (24 hr)

SON-8

No Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

AB-RTC-XL

SMD/SMT

Reel

Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215

AB-RTC-XLA-32.768KHZ-2-T3
ABRACON
3.000: 9,62 kr.
Non-Stocked Lead-Time 10 Weeks
New Product

Mfr. Part No.
AB-RTC-XLA-32.768KHZ-2-T3

Mouser Part No
815-TCXLA32768KHZ2T3

New Product

ABRACON

Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

9,62 kr.

9,40 kr.

Min.: 3.000
Mult.: 3.000

: 3.000

I2C

HH:MM:SS (24 hr)

SON-8

No Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

AB-RTC-XLA

SMD/SMT

Reel

Real Time Clock 4-Wire Real Time Clock IC

R2043L-E2
Nisshinbo
3.000: 4,53 kr.
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

4,53 kr.

Min.: 3.000
Mult.: 3.000

: 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
1: 11,12 kr.
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

Cut Tape

11,12 kr.

8,06 kr.

7,38 kr.

6,99 kr.

Reel

5,33 kr.

View

Min.: 1
Mult.: 1

: 2.000

SSOP-16

R2051S

Reel, Cut Tape

Real Time Clock 2-Wire Real Time Clock IC

R2051T01-E2-F
Nisshinbo
2.000: 4,98 kr.
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

4,98 kr.

4,94 kr.

Min.: 2.000
Mult.: 2.000

: 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: 4,87 kr.
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

4,87 kr.

4,77 kr.

Min.: 3.000
Mult.: 3.000

: 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: 5,60 kr.
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

5,60 kr.

5,30 kr.

Min.: 2.000
Mult.: 2.000

: 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: 4,70 kr.
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

4,70 kr.

Min.: 3.000
Mult.: 3.000

: 3.000

Serial 3-Wire

BCD

QFN023023-16

Backup Switching

750 mV

5.5 V

- 40 C

+ 85 C

R2062L

SMD/SMT

Reel

Real Time Clock 3 wire interface Real-Time Clock ICs with Battery Backup switch-over Function

R2062L02-E2
Nisshinbo
3.000: 4,70 kr.
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
R2062L02-E2

Mouser Part No
848-R2062L02-E2

Nisshinbo

Real Time Clock 3 wire interface Real-Time Clock ICs with Battery Backup switch-over Function

Non-Stocked Lead-Time 12 Weeks

Reel

4,70 kr.

Min.: 3.000
Mult.: 3.000

: 3.000

QFN023023-16

R2062L

Reel

Real Time Clock 2-Wire Real Time Clock IC

R2221L-E2
Nisshinbo
3.000: 5,07 kr.
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
R2221L-E2

Mouser Part No
848-R2221L-E2

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

5,07 kr.

5,03 kr.

Min.: 3.000
Mult.: 3.000

: 3.000

Serial 2-Wire, I2C

BCD

QFN1818-12

No Backup Switching

1.5 V

5.5 V

- 40 C

+ 85 C

R2221L

SMD/SMT

Reel

Real Time Clock 2-Wire Real Time Clock IC

R2262L01-E2
Nisshinbo
3.000: 4,80 kr.
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
R2262L01-E2

Mouser Part No
848-R2262L01-E2

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

4,80 kr.

4,71 kr.

Min.: 3.000
Mult.: 3.000

: 3.000

Serial 3-Wire

YY-MM-DD-dd

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

QFN0202-18

Backup Switching

600 mV

5.5 V

- 40 C

+ 85 C

R2262L

SMD/SMT

Reel

Real Time Clock 2-Wire Real Time Clock IC

RV5C386A-E2-F
Nisshinbo
1: 10,52 kr.
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
RV5C386A-E2-F

Mouser Part No
848-RV5C386AE2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

10,52 kr.

7,68 kr.

6,99 kr.

6,61 kr.

Reel

5,07 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

SSOP-10

No Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

RV5C386

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: 16,34 kr.
Non-Stocked Lead-Time 2 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 2 Weeks

16,34 kr.

Min.: 1.000
Mult.: 1.000

- 40 C

+ 85 C

RV-3029-C3

SMD/SMT

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

RV-3029-C3-32.768kHz-OPTION-A-TB-QC
Micro Crystal
1.000: 21,71 kr.
Non-Stocked Lead-Time 10 Weeks
NRND

Mfr. Part No.
RV-3029-C3-32.768kHz-OPTION-A-TB-QC

Mouser Part No
428-202678-MG01

NRND

Micro Crystal

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

Datasheet

Product Comments

Non-Stocked Lead-Time 10 Weeks

Reel

21,71 kr.

Min.: 1.000
Mult.: 1.000

: 1.000

- 40 C

+ 125 C

RV-3029-C3

SMD/SMT

Reel

Real Time Clock Real-Time Clock SPI interface, -40 to +85 C, 16-pin QFN

AM0815AQ
Ambiq
1: 4,59 kr.
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
AM0815AQ

Mouser Part No
222-AM0815AQ

Ambiq

Real Time Clock Real-Time Clock SPI interface, -40 to +85 C, 16-pin QFN

Datasheet

Non-Stocked Lead-Time 24 Weeks

4,59 kr.

Min.: 1
Mult.: 1

Artasie SPI

Real Time Clock 32.768 kHz +/-10 PPM I2C -40/+85C

RV-4162-C7-32.768KHZ-10PPM-TA-QC
Micro Crystal
1: 24,47 kr.
Non-Stocked

Mfr. Part No.
RV-4162-C7-32.768KHZ-10PPM-TA-QC

Mouser Part No
428-201516-MG01

Micro Crystal

Real Time Clock 32.768 kHz +/-10 PPM I2C -40/+85C

Datasheet

Non-Stocked

Cut Tape

24,47 kr.

18,28 kr.

16,71 kr.

14,99 kr.

Reel

13,43 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

- 40 C

+ 85 C

RV-4162-C7

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Real Time Clock RTC 3.7 x 2.5 x 0.9mm 6ppm @ -40C to +85C commercial grade

RV-3129-C3-32.768kHz-OPTION-A-TA-QC-T3
Micro Crystal
1.000: 19,84 kr.
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
RV-3129-C3-32.768kHz-OPTION-A-TA-QC-T3

Mouser Part No
428-3129C3OPTATAQCT3

Micro Crystal

Real Time Clock Real Time Clock RTC 3.7 x 2.5 x 0.9mm 6ppm @ -40C to +85C commercial grade

Datasheet

Non-Stocked Lead-Time 15 Weeks

Reel

19,84 kr.

19,55 kr.

Min.: 1.000
Mult.: 1.000

: 1.000

Reel

Real Time Clock

RV-3129-C3-32.768kHz-OPTION-A-TB-QC
Micro Crystal
1: 38,34 kr.
Non-Stocked

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

Mouser Part No
428-RV3129C3OPTATBQC

Micro Crystal

Real Time Clock

Datasheet

Non-Stocked

38,34 kr.

28,94 kr.

26,56 kr.

23,95 kr.

View

Min.: 1
Mult.: 1

Real Time Clock SERIAL RTC W/AUDIO

M41T00AUDD1F
STMicroelectronics
3.000: 45,80 kr.
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
M41T00AUDD1F

Mouser Part No
511-M41T00AUDD1F

STMicroelectronics

Real Time Clock SERIAL RTC W/AUDIO

Datasheet

Non-Stocked Lead-Time 30 Weeks

Reel

45,80 kr.

Min.: 3.000
Mult.: 3.000

: 3.000

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 B

DFN-16

Backup Switching

3 V

3.6 V

0 C

+ 70 C

M41T00AUD

SMD/SMT

Reel

Real Time Clock Serial I2C bus RTC

M41T83ZQA6F
STMicroelectronics
1: 47,67 kr.
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
M41T83ZQA6F

Mouser Part No
511-M41T83ZQA6F

STMicroelectronics

Real Time Clock Serial I2C bus RTC

Datasheet

Non-Stocked Lead-Time 30 Weeks

Cut Tape

47,67 kr.

36,70 kr.

33,94 kr.

30,96 kr.

View

Reel

26,33 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Serial

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

32 B

Backup Switching

2.38 V

5.5 V

- 40 C

+ 85 C

M41T83

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial I/O Real Time Clock

NJU6350R-TE1
Nisshinbo
2.000: 5,33 kr.
Non-Stocked

Mfr. Part No.
NJU6350R-TE1

Mouser Part No
513-NJU6350R-TE1

Nisshinbo

Real Time Clock Serial I/O Real Time Clock

Datasheet

Non-Stocked

Reel

5,33 kr.

5,24 kr.

Min.: 2.000
Mult.: 2.000

: 2.000

VSP-8

- 30 C

+ 80 C

NJU6350

SMD/SMT

Reel

Real Time Clock I2C GP RTCC 64B SRAM EUI-48

MCP79401T-I/MNY
Microchip Technology
3.300: 7,91 kr.
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
MCP79401T-I/MNY

Mouser Part No
579-MCP79401TIMNY

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM EUI-48

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

Reel

7,91 kr.

Min.: 3.300
Mult.: 3.300

: 3.300

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