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

Real Time Clocks Real Time Clock

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

Results: 13

Applied Filters:

Product = Real Time Clocks

Manufacturer

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

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 Low Power Consumption IC RTC 3.2 x 2.5 x 1.0 mm (lwh)

ECS-RTC-3225-5609-TR
ECS
1: $7.30
11,712In Stock

Mfr. Part #
ECS-RTC-3225-5609-TR

Mouser Part #
520-ECSRTC32255609TR

ECS

Real Time Clock Low Power Consumption IC RTC 3.2 x 2.5 x 1.0 mm (lwh)

Learn More

Datasheet

11,712In Stock

Cut Tape

$7.30

$5.56

$5.13

$4.65

Reel

$4.02

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD

HH:MM:SS (24 hr)

Backup Switching

2.5 V

5 V

- 20 C

+ 80 C

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Built-In XO Real Time Clock Module with I2C Bus

AB-RTC-XB-32.768kHz-2-T3
ABRACON
1: $3.80
2,968In Stock
New Product

Mfr. Part #
AB-RTC-XB-32.768kHz-2-T3

Mouser Part #
815-ABRTCXB32768K2T3

New Product

ABRACON

Real Time Clock Built-In XO Real Time Clock Module with I2C Bus

Learn More

Datasheet

2,968In Stock

Cut Tape

$3.80

$2.82

$2.58

$2.30

$2.17

Reel

$1.84

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

I2C

Backup Switching

1.2 V

5.5 V

- 40 C

+ 85 C

AB-RTC-XB-32.768kHz-2

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: $2.17
4,571In Stock

Mfr. Part #
RV-8263-C8 32.768kHz-20PPM-TA-QC

Mouser Part #
428-204208-MC01

Micro Crystal

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

Learn More

Datasheet

4,571In Stock

Cut Tape

$2.17

$1.60

$1.43

$1.27

Reel

$1.14

View

MouseReel Available

Min.: 1
Mult.: 1

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

RV-8063-C8 32.768kHz-20PPM-TA-QC
Micro Crystal
1: $2.17
675In Stock

Mfr. Part #
RV-8063-C8 32.768kHz-20PPM-TA-QC

Mouser Part #
428-204233-MC01

Micro Crystal

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

Learn More

Datasheet

675In Stock

Cut Tape

$2.17

$1.60

$1.43

$1.27

Reel

$1.14

View

MouseReel Available

Min.: 1
Mult.: 1

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

RV-8063-C8 32.768kHz-20PPM-TA-QA
Micro Crystal
1: $2.28
960In Stock

Mfr. Part #
RV-8063-C8 32.768kHz-20PPM-TA-QA

Mouser Part #
428-204290-MC01

Micro Crystal

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

Learn More

Datasheet

960In Stock

Cut Tape

$2.28

$1.67

$1.51

$1.33

Reel

$1.20

View

MouseReel Available

Min.: 1
Mult.: 1

: 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 2-wire Real Time Clock

S-35390A-I8T1U
ABLIC
1: $2.22
3,001In Stock

Mfr. Part #
S-35390A-I8T1U

Mouser Part #
628-S-35390A-I8T1U

ABLIC

Real Time Clock 2-wire Real Time Clock

Learn More

Datasheet

3,001In Stock

Cut Tape

$2.22

$1.61

$1.47

$1.29

View

Reel

$1.02

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

7 B

SNT-A-8

No Backup Switching

1.3 V

5.5 V

- 40 C

+ 85 C

S-35390

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Real Time Clock

S-35390A-J8T1U
ABLIC
1: $2.22
2,665In Stock

Mfr. Part #
S-35390A-J8T1U

Mouser Part #
628-S-35390A-J8T1U

ABLIC

Real Time Clock Real Time Clock

Learn More

Datasheet

2,665In Stock

Cut Tape

$2.22

$1.61

$1.47

$1.29

View

Reel

$1.02

Min.: 1
Mult.: 1

: 4,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

7 B

SOP-8

No Backup Switching

1.3 V

5.5 V

- 40 C

+ 85 C

S-35390

SMD/SMT

Reel, Cut Tape

Real Time Clock Real Time Clock

S-35390A-T8T1U
ABLIC
1: $2.65
2,586In Stock

Mfr. Part #
S-35390A-T8T1U

Mouser Part #
628-S-35390A-T8T1U

ABLIC

Real Time Clock Real Time Clock

Learn More

Datasheet

2,586In Stock

Cut Tape

$2.65

$1.94

$1.77

$1.57

View

Reel

$1.29

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

7 B

TSSOP-8

No Backup Switching

1.3 V

5.5 V

- 40 C

+ 85 C

S-35390

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Ultra-Low power 12C Real Time clock w/ p

MAX31331EWC+T
Analog Devices / Maxim Integrated
1: $4.16
2,345In Stock
7,500Expected 2026-09-14

Mfr. Part #
MAX31331EWC+T

Mouser Part #
700-MAX31331EWC+T

Analog Devices / Maxim Integrated

Real Time Clock Ultra-Low power 12C Real Time clock w/ p

Learn More

Datasheet

2,345In Stock

7,500Expected 2026-09-14

Cut Tape

$4.16

$3.11

$2.79

$2.55

Reel

$2.23

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

I2C

BCD

32 B

WLP-12

Backup Switching

1.1 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Low Power High Stability 5 ppm -40 - +85C IC Real Time Clock 3.2 x 2.5 mm

ECS-RTC-3225-5699HS-TR
ECS
1: $8.16
783In Stock

Mfr. Part #
ECS-RTC-3225-5699HS-TR

Mouser Part #
520-RTC-32255699HSTR

ECS

Real Time Clock Low Power High Stability 5 ppm -40 - +85C IC Real Time Clock 3.2 x 2.5 mm

Learn More

Datasheet

783In Stock

Cut Tape

$8.16

$6.24

$5.75

$5.21

Reel

$4.75

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD

HH:MM:SS (24 hr)

Backup Switching

1.6 V

5 V

- 40 C

+ 85 C

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: $2.28
4,000Expected 2026-10-30

Mfr. Part #
RV-8263-C8 32.768kHz-20PPM-TA-QA

Mouser Part #
428-204291-MC01

Micro Crystal

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

Learn More

Datasheet

4,000Expected 2026-10-30

Cut Tape

$2.28

$1.67

$1.51

$1.33

Reel

$1.20

View

MouseReel Available

Min.: 1
Mult.: 1

: 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 REAL TIME CLOCK

S-35391A-I8T1U
ABLIC
5,000: $1.29
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
S-35391A-I8T1U

Mouser Part #
628-S-35391A-I8T1U

ABLIC

Real Time Clock REAL TIME CLOCK

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$1.29

Min.: 5,000
Mult.: 5,000

: 5,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

7 B

SNT-A-8

No Backup Switching

1.3 V

5.5 V

- 40 C

+ 85 C

S-35391

SMD/SMT

Reel

Real Time Clock 2-WIRE REAL-TIME CLOCK

S-35399A03-J8T1U
ABLIC
4,000: $2.55
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
S-35399A03-J8T1U

Mouser Part #
628-S-35399A03-J8T1U

ABLIC

Real Time Clock 2-WIRE REAL-TIME CLOCK

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$2.55

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

: 4,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

7 B

No Backup Switching

- 40 C

+ 85 C

S-35399A03

SMD/SMT

Reel

Real Time Clocks Real Time Clock

Mouser®

Company

Resources

Support