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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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Results: 917

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Part #

Real Time Clock I C 32-Bit Binary Counter RTC

DS1672U-3+
Analog Devices / Maxim Integrated
1: $12.48
4,947Factory Stock Available

Mfr. Part No.
DS1672U-3+

Mouser Part No
700-DS1672U-3

Analog Devices / Maxim Integrated

Real Time Clock I C 32-Bit Binary Counter RTC

Datasheet

4,947Factory Stock Available

More Info Available

$12.48

$9.35

$8.92

$7.74

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

Binary

Backup Switching

2.7 V

3.3 V

- 40 C

+ 85 C

DS1672U

SMD/SMT

Tube

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

DS1685E-5+T&R
Analog Devices / Maxim Integrated
1,000: $9.33
2,000Factory Stock Available

Mfr. Part No.
DS1685E-5+T&R

Mouser Part No
700-DS1685E-5T&R

Analog Devices / Maxim Integrated

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

Datasheet

2,000Factory Stock Available

More Info Available

Reel

$9.33

Quote

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

Reel: 1,000

Multiplexed

YY-MM-DD-dd

HH:MM:SS (24 hr)

242 B

TSSOP-24

4.5 V

5.5 V

0 C

+ 70 C

DS1685E

SMD/SMT

Reel

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1747WP-120IND+
Analog Devices / Maxim Integrated
40: $82.37
582Factory Stock Available

Mfr. Part No.
DS1747WP-120IND+

Mouser Part No
700-DS1747WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

582Factory Stock Available

More Info Available

$82.37

$76.58

Quote

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

DS17487-3+
Analog Devices / Maxim Integrated
42: $36.50
694Factory Stock Available

Mfr. Part No.
DS17487-3+

Mouser Part No
700-DS17487-3

Analog Devices / Maxim Integrated

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

Datasheet

694Factory Stock Available

More Info Available

$36.50

$32.64

$31.14

$28.98

Quote

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: $48.26
282Factory Stock Available

Mfr. Part No.
DS17487-5IND+

Mouser Part No
700-DS17487-5IND

Analog Devices / Maxim Integrated

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

Datasheet

282Factory Stock Available

More Info Available

$48.26

$41.99

$40.10

$35.86

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: $46.62
443Factory Stock Available

Mfr. Part No.
DS17885S-3+

Mouser Part No
700-DS17885S-3

Analog Devices / Maxim Integrated

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

Datasheet

443Factory Stock Available

More Info Available

$46.62

$40.57

$38.74

$34.65

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

DS17887-3+
Analog Devices / Maxim Integrated
28: $46.25
461Factory Stock Available

Mfr. Part No.
DS17887-3+

Mouser Part No
700-DS17887-3

Analog Devices / Maxim Integrated

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

Datasheet

461Factory Stock Available

More Info Available

$46.25

$41.35

$39.43

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 Low Current Real Time Clock with I2C Int

MAX31341EWC+T
Analog Devices / Maxim Integrated
2,500: $2.06
102,500Factory Stock Available

Mfr. Part No.
MAX31341EWC+T

Mouser Part No
700-MAX31341EWC+T

Analog Devices / Maxim Integrated

Real Time Clock Low Current Real Time Clock with I2C Int

Learn More

Datasheet

102,500Factory Stock Available

More Info Available

Reel

$2.06

$2.02

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

Reel: 2,500

I2C

WLP-12

MAX31341

Reel

Real Time Clock 4Meg, Nonvolatile, Y2K-Compliant Timekee

DS1557WP-120+
Analog Devices / Maxim Integrated
40: $74.84
130Factory Stock Available

Mfr. Part No.
DS1557WP-120+

Mouser Part No
700-DS1557WP-120

Analog Devices / Maxim Integrated

Real Time Clock 4Meg, Nonvolatile, Y2K-Compliant Timekee

Datasheet

130Factory Stock Available

More Info Available

$74.84

$69.57

Quote

Min.: 40
Mult.: 40

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

512 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

0 C

+ 70 C

DS1557WP

SMD/SMT

Tray

Real Time Clock RTC +/-5.0PPM-40~85C STICK

RX-4803SA:UB PURE SN
Epson Timing
1: $9.24
25Expected 16/3/2026

Mfr. Part No.
RX-4803SA:UB PURE SN

Mouser Part No
732-RX4803SAUBPURESN

Epson Timing

Real Time Clock RTC +/-5.0PPM-40~85C STICK

Datasheet

25Expected 16/3/2026

$9.24

$8.70

$6.35

$6.34

View

Min.: 1
Mult.: 1

RX-4803SA

Tube

Real Time Clock Real Time Clock MSOP-8 T&R 2.5K

PT7C4337UEX-2017
Diodes Incorporated
2,500: $0.77
162,500Factory Stock Available

Mfr. Part No.
PT7C4337UEX-2017

Mouser Part No
729-PT7C4337UEX-2017

Diodes Incorporated

Real Time Clock Real Time Clock MSOP-8 T&R 2.5K

Datasheet

162,500Factory Stock Available

More Info Available

Reel

$0.77

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

Reel: 2,500

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

Reel

Real Time Clock I2C GP RTCC 64B SRAM ID

MCP79400T-I/MNY
Microchip Technology
1: $1.45
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MCP79400T-I/MNY

Mouser Part No
579-MCP79400TIMNY

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM ID

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

Cut Tape

$1.45

$1.33

$1.28

Reel

$1.28

Min.: 1
Mult.: 1

Reel: 3,300

Reel, Cut Tape

Real Time Clock I2C GP RTCC 64B SRAM ID

MCP79400T-I/ST
Microchip Technology
2,500: $1.23
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MCP79400T-I/ST

Mouser Part No
579-MCP79400TIST

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM ID

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

Reel

$1.23

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

Reel: 2,500

Reel

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

MCP79401T-I/MNY
Microchip Technology
3,300: $1.42
Non-Stocked Lead-Time 4 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 4 Weeks

Reel

$1.42

Min.: 3,300
Mult.: 3,300

Reel: 3,300

Reel

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

MCP79401T-I/MS
Microchip Technology
2,500: $1.37
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MCP79401T-I/MS

Mouser Part No
579-MCP79401TIMS

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

Reel

$1.37

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

Reel: 2,500

Reel

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

MCP79401T-I/SN
Microchip Technology
3,300: $1.28
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
MCP79401T-I/SN

Mouser Part No
579-MCP79401TISN

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 4 Weeks

Reel

$1.28

Min.: 3,300
Mult.: 3,300

Reel: 3,300

Reel

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

MCP79401T-I/ST
Microchip Technology
2,500: $1.37
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MCP79401T-I/ST

Mouser Part No
579-MCP79401TIST

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

Reel

$1.37

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

Reel: 2,500

Reel

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

MCP79402-I/ST
Microchip Technology
1: $1.50
Lead-Time 6 Weeks

Mfr. Part No.
MCP79402-I/ST

Mouser Part No
579-MCP79402IST

Microchip Technology

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

Learn More

Datasheet

Lead-Time 6 Weeks

$1.50

$1.40

$1.37

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

64 B

TSSOP-8

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tube

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

MCP79402T-I/MNY
Microchip Technology
3,300: $1.42
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MCP79402T-I/MNY

Mouser Part No
579-MCP79402TIMNY

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

Reel

$1.42

Min.: 3,300
Mult.: 3,300

Reel: 3,300

Reel

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

MCP79402T-I/MS
Microchip Technology
2,500: $1.37
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MCP79402T-I/MS

Mouser Part No
579-MCP79402TIMS

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

Reel

$1.37

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

Reel: 2,500

Reel

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

MCP79402T-I/SN
Microchip Technology
1: $1.45
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MCP79402T-I/SN

Mouser Part No
579-MCP79402TISN

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

Cut Tape

$1.45

$1.33

$1.28

Reel

$1.28

Min.: 1
Mult.: 1

Reel: 3,300

Reel, Cut Tape

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

MCP79402T-I/ST
Microchip Technology
2,500: $1.37
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MCP79402T-I/ST

Mouser Part No
579-MCP79402TIST

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

Reel

$1.37

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

Reel: 2,500

Reel

Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48

MCP79411T-I/ST
Microchip Technology
2,500: $1.46
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MCP79411T-I/ST

Mouser Part No
579-MCP79411TIST

Microchip Technology

Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

Reel

$1.46

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

Reel: 2,500

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

64 B

TSSOP-8

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel

Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64

MCP79412T-I/MS
Microchip Technology
2,500: $1.46
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
MCP79412T-I/MS

Mouser Part No
579-MCP79412TIMS

Microchip Technology

Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64

Learn More

Datasheet

Non-Stocked Lead-Time 4 Weeks

Reel

$1.46

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

Reel: 2,500

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

64 B

MSOP-8

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel

Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64

MCP79412T-I/ST
Microchip Technology
1: $1.64
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MCP79412T-I/ST

Mouser Part No
579-MCP79412TIST

Microchip Technology

Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

Cut Tape

$1.64

$1.50

$1.46

Reel

$1.46

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

64 B

TSSOP-8

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock

Customer Service Office

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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