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Real Time Clock

Real Time Clocks (RTCs) are available at Mouser Electronics 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. Please view our large selection of real time clocks below.

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Download Table (.CSV)

Part #

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: $4.53
Non-Stocked
NRND

Mfr. Part #
RV-3049-C3-32.768k-OPTION-A-TB-QA

Mouser Part #
428-202670-MG01

NRND

Micro Crystal

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

Datasheet

Product Comments

Non-Stocked

$4.53

$4.35

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

- 40 C

+ 125 C

RV-3049-C3

SMD/SMT

AEC-Q200

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: $4.30
Non-Stocked
NRND

Mfr. Part #
RV-3029-C3-32.768kHz-OPTION-A-TB-QC

Mouser Part #
428-202678-MG01

NRND

Micro Crystal

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

Datasheet

Product Comments

Non-Stocked

Reel

$4.30

$4.13

Quote

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

: 1,000

- 40 C

+ 125 C

RV-3029-C3

SMD/SMT

Reel

Real Time Clock

S-35190AH-J8T2U
ABLIC
4,000: $1.30
Non-Stocked Lead-Time 18 Weeks
Factory Special Order

Mfr. Part #
S-35190AH-J8T2U

Mouser Part #
628-S-35190AH-J8T2U

Factory Special Order

ABLIC

Real Time Clock

Datasheet

Non-Stocked Lead-Time 18 Weeks

Reel

$1.30

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: $1.30
Non-Stocked Lead-Time 18 Weeks
Factory Special Order

Mfr. Part #
S-35190AH-T8T2U

Mouser Part #
628-S-35190AH-T8T2U

Factory Special Order

ABLIC

Real Time Clock

Datasheet

Non-Stocked Lead-Time 18 Weeks

Reel

$1.30

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: $1.30
Non-Stocked Lead-Time 18 Weeks
Factory Special Order

Mfr. Part #
S-35390AH-J8T2U

Mouser Part #
628-S-35390AH-J8T2U

Factory Special Order

ABLIC

Real Time Clock

Datasheet

Non-Stocked Lead-Time 18 Weeks

Reel

$1.30

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

: 4,000

S-35390AH

Reel

Real Time Clock

S-35390AH-T8T2U
ABLIC
4,000: $1.30
Non-Stocked Lead-Time 18 Weeks
Factory Special Order

Mfr. Part #
S-35390AH-T8T2U

Mouser Part #
628-S-35390AH-T8T2U

Factory Special Order

ABLIC

Real Time Clock

Datasheet

Non-Stocked Lead-Time 18 Weeks

Reel

$1.30

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

: 4,000

S-35390AH

Reel

Real Time Clock Low Power I2C Real Time Clock

PT7C4339WEX
Diodes Incorporated
Non-Stocked
Verify Status with Factory

Mfr. Part #
PT7C4339WEX

Mouser Part #
729-PT7C4339WEX

Verify Status with Factory

Diodes Incorporated

Real Time Clock Low Power I2C Real Time Clock

Learn More

Datasheet

Non-Stocked

Quote

I2C

YY-MM-DD-dd

BCD

16 B

SOIC-8

Backup Switching

3 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel

Real Time Clock

RV-3129-C3-32.768k-OPTION-A-TB-QA
Micro Crystal
1,000: $4.12
Non-Stocked

Mfr. Part #
RV-3129-C3-32.768k-OPTION-A-TB-QA

Mouser Part #
428-203618-MG1

Micro Crystal

Real Time Clock

Datasheet

Non-Stocked

$4.12

$3.97

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

Real Time Clock

RV-3129-C3-32.768k-OPTION-B-TB-QA
Micro Crystal
1,000: $3.43
Non-Stocked

Mfr. Part #
RV-3129-C3-32.768k-OPTION-B-TB-QA

Mouser Part #
428-203639-MG1

Micro Crystal

Real Time Clock

Datasheet

Non-Stocked

$3.43

$3.31

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

Real Time Clock

RV-3149-C3-32.768k-OPTION-A-TB-QA
Micro Crystal
1,000: $4.12
Non-Stocked

Mfr. Part #
RV-3149-C3-32.768k-OPTION-A-TB-QA

Mouser Part #
428-203641-MG1

Micro Crystal

Real Time Clock

Datasheet

Non-Stocked

$4.12

$3.97

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

Real Time Clock

RV-3149-C3-32.768k-OPTION-B-TB-QA
Micro Crystal
1,000: $3.43
Non-Stocked

Mfr. Part #
RV-3149-C3-32.768k-OPTION-B-TB-QA

Mouser Part #
428-203684-MG1

Micro Crystal

Real Time Clock

Datasheet

Non-Stocked

$3.43

$3.31

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

Real Time Clock I2C Bus RTC w/56byte NVRAM RTC

PT7C4311ZEEX
Diodes Incorporated
3,000: $1.06
Non-Stocked Lead-Time 28 Weeks

Mfr. Part #
PT7C4311ZEEX

Mouser Part #
729-PT7C4311ZEEX

Diodes Incorporated

Real Time Clock I2C Bus RTC w/56byte NVRAM RTC

Learn More

Datasheet

Non-Stocked Lead-Time 28 Weeks

Reel

$1.06

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

: 3,000

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

56 B

Backup Switching

1.2 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel

Real Time Clock 32.768k crystal RTC Module Integrated

PT7C4337ACSE
Diodes Incorporated
1: $13.37
Non-Stocked Lead-Time 28 Weeks

Mfr. Part #
PT7C4337ACSE

Mouser Part #
729-PT7C4337ACSE

Diodes Incorporated

Real Time Clock 32.768k crystal RTC Module Integrated

Learn More

Datasheet

Non-Stocked Lead-Time 28 Weeks

$13.37

$9.35

$6.92

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

No Backup Switching

1.2 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tube

Real Time Clock PCA2002DUS/DA

PCA2002DUS/DAZ
NXP Semiconductors
4,000: $0.682
Non-Stocked Lead-Time 53 Weeks

Mfr. Part #
PCA2002DUS/DAZ

Mouser Part #
771-PCA2002DUS/DAZ

NXP Semiconductors

Real Time Clock PCA2002DUS/DA

Datasheet

Non-Stocked Lead-Time 53 Weeks

Reel

$0.682

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

: 4,000

PCA2002

Reel

Real Time Clock 32 kHz watch circuit with programmable adaptive motor pulse and pulse period

PCF2003DUS/DAAZ
NXP Semiconductors
4,000: $0.581
Non-Stocked Lead-Time 53 Weeks

Mfr. Part #
PCF2003DUS/DAAZ

Mouser Part #
771-PCF2003DUS/DAAZ

NXP Semiconductors

Real Time Clock 32 kHz watch circuit with programmable adaptive motor pulse and pulse period

Datasheet

Non-Stocked Lead-Time 53 Weeks

Reel

$0.581

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

: 4,000

PCF2003DUS

Reel

Real Time Clock 4 x 40 I C-bus LCD Segment Driver in TSSOP56 Package

PCF8553DTT/AY
NXP Semiconductors
1: $4.44
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
PCF8553DTT/AY

Mouser Part #
771-PCF8553DTT/AY

NXP Semiconductors

Real Time Clock 4 x 40 I C-bus LCD Segment Driver in TSSOP56 Package

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Cut Tape

$4.44

$2.88

$2.61

$2.20

Reel

$1.56

View

Min.: 1
Mult.: 1

: 2,000

PCF8553DTT

Reel, Cut Tape

Real Time Clock RTC IC

PCF8564AU/10AB/1,0
NXP Semiconductors
33,890: $0.747
Non-Stocked Lead-Time 53 Weeks

Mfr. Part #
PCF8564AU/10AB/1,0

Mouser Part #
771-PCF8564AU10AB10

NXP Semiconductors

Real Time Clock RTC IC

Datasheet

Non-Stocked Lead-Time 53 Weeks

$0.747

Min.: 33,890
Mult.: 33,890

PCF8564A

Bulk

Real Time Clock 4 x 40 I C-bus LCD Segment Driver for Low Multiplex Rates, Frame Frequency 64 Hz in TSSOP56 Package

PCF8576DT/S400/2Y
NXP Semiconductors
2,000: $2.50
Non-Stocked Lead-Time 53 Weeks

Mfr. Part #
PCF8576DT/S400/2Y

Mouser Part #
771-PCF8576DTS4002Y

NXP Semiconductors

Real Time Clock 4 x 40 I C-bus LCD Segment Driver for Low Multiplex Rates, Frame Frequency 64 Hz in TSSOP56 Package

Datasheet

Non-Stocked Lead-Time 53 Weeks

Reel

$2.50

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

: 2,000

PCF8576D

Reel

Real Time Clock Real Time Clock

RX-4571LC:B0 PURE SN
Epson Timing
1,000: $2.71
Non-Stocked

Mfr. Part #
RX-4571LC:B0 PURE SN

Mouser Part #
732-R4571LC:B0PURESN

Epson Timing

Real Time Clock Real Time Clock

Datasheet

Non-Stocked

Reel

$2.71

$2.65

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

: 1,000

I2C

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel

Real Time Clock Real Time Clock

RX-4571SA:B0 PURE SN
Epson Timing
1,000: $2.50
Non-Stocked

Mfr. Part #
RX-4571SA:B0 PURE SN

Mouser Part #
732-R4571SA:B0PURESN

Epson Timing

Real Time Clock Real Time Clock

Datasheet

Non-Stocked

Reel

$2.50

$2.44

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

: 1,000

Serial 3-Wire

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel

Real Time Clock Real Time Clock

RX-8803SA:UB0 PURE SN
Epson Timing
1,000: $3.25
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX-8803SA:UB0 PURE SN

Mouser Part #
732-R8803SAUB0PURESN

Epson Timing

Real Time Clock Real Time Clock

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

$3.25

$3.19

$3.16

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

: 1,000

I2C

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel

Real Time Clock RX-4571SA:B0 PURE SN RTC SON 14PIN 5+/-23PPM 1K TR

RX-4571SAB0 PURE SN
Epson Timing
1,000: $2.64
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX-4571SAB0 PURE SN

Mouser Part #
732-RX-4571SABPURESN

Epson Timing

Real Time Clock RX-4571SA:B0 PURE SN RTC SON 14PIN 5+/-23PPM 1K TR

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$2.64

$2.52

$2.42

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

: 1,000

I2C

YY-MM-DD-dd

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

SOP-14

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

RX-4571SA

SMD/SMT

Reel

Real Time Clock RX-4803SA:UA0 PURE SN RTC +/-3.4PPM-40 85C 1K T/R

RX-4803SAUA0 PURE SN
Epson Timing
1,000: $5.03
Non-Stocked

Mfr. Part #
RX-4803SAUA0 PURE SN

Mouser Part #
732-RX-483SAUAPURESN

Epson Timing

Real Time Clock RX-4803SA:UA0 PURE SN RTC +/-3.4PPM-40 85C 1K T/R

Datasheet

Non-Stocked

Reel

$5.03

$4.79

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

: 1,000

SPI

YY-MM-DD-dd

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

SOP-14

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

RX-4803SA

SMD/SMT

Reel

Real Time Clock 32.768KHz 2.5V-5.5V 8 Bit x 256

RX-5412SF:B3
Epson Timing
250: $9.74
Non-Stocked

Mfr. Part #
RX-5412SF:B3

Mouser Part #
732-RX-5412SF:B3

Epson Timing

Real Time Clock 32.768KHz 2.5V-5.5V 8 Bit x 256

Datasheet

Non-Stocked

Reel

$9.74

$9.50

$8.36

Quote

Min.: 250
Mult.: 250

: 250

Serial 4-Wire

8 B

2.5 V

5.5 V

- 40 C

+ 85 C

RX-5412SF

SMD/SMT

Reel

Real Time Clock 3.0Volt -40 to 85C I2C BUS

RX-8035LC:AA0
Epson Timing
1,000: $4.04
Non-Stocked

Mfr. Part #
RX-8035LC:AA0

Mouser Part #
732-RX-8035LC:AA0

Epson Timing

Real Time Clock 3.0Volt -40 to 85C I2C BUS

Datasheet

Non-Stocked

Reel

$4.04

$3.90

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

: 1,000

I2C

VSOJ-12

2.4 V

5.5 V

- 40 C

+ 85 C

RX-8035LC

SMD/SMT

Reel

Real Time Clock

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2 B
3 B
4 B
7 B
8 B
10 B
12 B
16 B
20 B
31 B
32 B
56 B
64 B
96 B
113 B
114 B
128 B
160 B
236 B
242 B

DFN-16
DFN-20
DFN2626-10
DFN-8
Die
DIP-16
DIP-8
EDIP-24
EDIP-28
EDIP-32
HWSON-8
LGA-10
MSOP-10
MSOP-8
PCDIP-24
PCDIP-28
PDIP-16
PDIP-24
PDIP-28
PDIP-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
1.71 V
1.8 V
2 V
2.2 V
2.3 V
2.38 V
2.4 V
2.5 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