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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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Part #

Real Time Clock 3V/5V Real-Time Clocks

DS17285S-3+T&R
Analog Devices / Maxim Integrated
1,000: $15.34
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
DS17285S-3+T&R

Mouser Part #
700-DS17285S-3T&R

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clocks

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$15.34

Quote

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

: 1,000

Multiplexed

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 kB

SO-24

2.7 V

3.7 V

0 C

+ 70 C

DS17285S

SMD/SMT

Reel

Real Time Clock 3V/5V Real-Time Clocks

DS17285S-5+T&R
Analog Devices / Maxim Integrated
1,000: $14.27
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
DS17285S-5+T&R

Mouser Part #
700-DS17285S-5T&R

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clocks

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$14.27

Quote

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

: 1,000

Multiplexed

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 kB

SO-24

4.5 V

5.5 V

0 C

+ 70 C

DS17285S

SMD/SMT

Reel

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1747P-70IND+
Analog Devices / Maxim Integrated
1: $113.43
Lead-Time 10 Weeks

Mfr. Part #
DS1747P-70IND+

Mouser Part #
700-DS1747P-70IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

Lead-Time 10 Weeks

$113.43

$94.38

$88.27

$82.22

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

512 kB

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1747P

SMD/SMT

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1747WP-120IND+
Analog Devices / Maxim Integrated
40: $86.33
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
DS1747WP-120IND+

Mouser Part #
700-DS1747WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

Non-Stocked Lead-Time 10 Weeks

$86.33

$82.56

Min.: 40
Mult.: 40

Parallel

HH:MM:SS (24 hr)

512 kB

PowerCap Module-34

2.97 V

3.63 V

- 40 C

+ 85 C

DS1747WP

SMD/SMT

Tray

Real Time Clock 3V/5V Real-Time Clocks

DS17485S-5+T&R
Analog Devices / Maxim Integrated
1,000: $20.53
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
DS17485S-5+T&R

Mouser Part #
700-DS17485S-5T&R

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clocks

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$20.53

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

: 1,000

Multiplexed

YY-MM-DD-dd

HH:MM:SS (24 hr)

4 kB

SO-24

4.5 V

5.5 V

0 C

+ 70 C

DS17485S

SMD/SMT

Reel

Real Time Clock 3V/5V Real-Time Clocks

DS17487-3+
Analog Devices / Maxim Integrated
42: $33.16
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
DS17487-3+

Mouser Part #
700-DS17487-3

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clocks

Datasheet

Non-Stocked Lead-Time 10 Weeks

$33.16

$32.30

View

Min.: 42
Mult.: 14

Multiplexed

YY-MM-DD-dd

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

4 kB

EDIP-24

Integrated Battery

2.7 V

3.7 V

0 C

+ 70 C

DS17487

Through Hole

Tube

Real Time Clock 3V/5V Real-Time Clocks

DS17487-5IND+
Analog Devices / Maxim Integrated
1: $50.99
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
DS17487-5IND+

Mouser Part #
700-DS17487-5IND

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clocks

Datasheet

Non-Stocked Lead-Time 10 Weeks

$50.99

$40.71

$38.78

$36.40

View

Min.: 1
Mult.: 1

Parallel, Phantom Clock

YY-MM-DD-dd

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

4 kB

EDIP-24

Integrated Battery

4.5 V

5.5 V

- 40 C

+ 85 C

DS17487

Through Hole

Tube

Real Time Clock 3V/5V Real-Time Clocks

DS17885S-3+
Analog Devices / Maxim Integrated
1: $49.32
Lead-Time 10 Weeks

Mfr. Part #
DS17885S-3+

Mouser Part #
700-DS17885S-3

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clocks

Datasheet

Lead-Time 10 Weeks

$49.32

$39.96

$37.44

$35.11

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

8 kB

SO-24

Backup Switching

2.7 V

3.7 V

0 C

+ 70 C

DS17885S

SMD/SMT

Tube

Real Time Clock 3V/5V Real-Time Clocks

DS17885S-5/T&R+
Analog Devices / Maxim Integrated
1,000: $40.18
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
DS17885S-5/T&R+

Mouser Part #
700-DS17885S-5/T&R

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clocks

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$40.18

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

: 1,000

Multiplexed

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 kB

SO-24

4.5 V

5.5 V

0 C

+ 70 C

DS17885S

SMD/SMT

Reel

Real Time Clock 3V/5V Real-Time Clocks

DS17885SN-3+
Analog Devices / Maxim Integrated
30: $47.12
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
DS17885SN-3+

Mouser Part #
700-DS17885SN-3

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clocks

Datasheet

Non-Stocked Lead-Time 10 Weeks

$47.12

$47.10

$45.56

View

Min.: 30
Mult.: 30

Multiplexed

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 kB

SO-24

2.7 V

3.7 V

- 40 C

+ 85 C

DS17885SN

SMD/SMT

Tube

Real Time Clock 3V/5V Real-Time Clocks

DS17887-3+
Analog Devices / Maxim Integrated
28: $44.60
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
DS17887-3+

Mouser Part #
700-DS17887-3

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clocks

Datasheet

Non-Stocked Lead-Time 10 Weeks

$44.60

$41.79

$40.26

Quote

Min.: 28
Mult.: 14

Multiplexed

YY-MM-DD-dd

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

8 kB

EDIP-24

Integrated Battery

2.7 V

3.7 V

0 C

+ 70 C

DS17887

Through Hole

Tube

Real Time Clock 3V/5V Real-Time Clocks

DS17887-5IND+
Analog Devices / Maxim Integrated
28: $57.99
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
DS17887-5IND+

Mouser Part #
700-DS17887-5IND

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clocks

Datasheet

Non-Stocked Lead-Time 10 Weeks

$57.99

$57.77

$55.54

View

Min.: 28
Mult.: 14

Multiplexed

YY-MM-DD-dd

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

8 kB

EDIP-24

Integrated Battery

4.5 V

5.5 V

- 40 C

+ 85 C

DS17887

Through Hole

Tube

Real Time Clock Low Current Real Time Clock with I2C Int

MAX31341EWC+T
Analog Devices / Maxim Integrated
1: $4.15
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
MAX31341EWC+T

Mouser Part #
700-MAX31341EWC+T

Analog Devices / Maxim Integrated

Real Time Clock Low Current Real Time Clock with I2C Int

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Cut Tape

$4.15

$3.10

$2.82

$2.53

Reel

$2.09

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

I2C

WLP-12

MAX31341

Reel, Cut Tape, MouseReel

Real Time Clock 4-Wire Real Time Clock IC

R2043L-E2
Nisshinbo
3,000: $1.02
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
R2043L-E2

Mouser Part #
848-R2043L-E2

Nisshinbo

Real Time Clock 4-Wire Real Time Clock IC

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.02

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
2,000: $1.20
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
R2051S03-E2-F

Mouser Part #
848-R2051S03-E2-F

Nisshinbo

Real Time Clock High precision I2C-Bus Real-Time Clock Module

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.20

$1.19

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

: 2,000

SSOP-16

R2051S

Reel

Real Time Clock 2-Wire Real Time Clock IC

R2051T01-E2-F
Nisshinbo
1: $2.32
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
R2051T01-E2-F

Mouser Part #
848-R2051T01E2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

$2.32

$1.70

$1.54

$1.45

Reel

$1.09

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Serial 2-Wire, I2C

BCD

TSSOP-10

Backup Switching

750 mV

5.5 V

- 40 C

+ 85 C

R2051T

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 3-Wire Real Time Clock IC

R2061L01-E2
Nisshinbo
3,000: $1.09
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
R2061L01-E2

Mouser Part #
848-R2061L01-E2

Nisshinbo

Real Time Clock 3-Wire Real Time Clock IC

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.09

$1.07

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: $1.19
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
R2061S02-E2-F

Mouser Part #
848-R2061S02E2F

Nisshinbo

Real Time Clock 3-Wire Real Time Clock IC

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.19

$1.14

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: $1.06
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
R2062L01-E2

Mouser Part #
848-R2062L01-E2

Nisshinbo

Real Time Clock 3-Wire Real Time Clock IC

Non-Stocked Lead-Time 12 Weeks

Reel

$1.06

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: $1.06
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
R2062L02-E2

Mouser Part #
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

$1.06

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: $1.10
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
R2221L-E2

Mouser Part #
848-R2221L-E2

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.10

$1.08

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: $1.06
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
R2262L01-E2

Mouser Part #
848-R2262L01-E2

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.06

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 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION

RV5C338A-E2-F
Nisshinbo
2,000: $1.11
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
RV5C338A-E2-F

Mouser Part #
848-RV5C338A-E2-F

Nisshinbo

Real Time Clock 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.11

$1.09

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

: 2,000

SSOP-10

RV5C338A

Reel

Real Time Clock 2-Wire Real Time Clock IC

RV5C386A-E2-F
Nisshinbo
1: $2.36
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
RV5C386A-E2-F

Mouser Part #
848-RV5C386AE2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

$2.36

$1.73

$1.57

$1.48

Reel

$1.13

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: $2.98
Non-Stocked Lead-Time 2 Weeks
NRND

Mfr. Part #
RV-3029-C3-32.768KHZ-OPTION-B-TA-QC

Mouser Part #
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

$2.98

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

- 40 C

+ 85 C

RV-3029-C3

SMD/SMT

Real Time Clock

Mouser Electronics®

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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
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
PLCC-28

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