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CA Real Time Clock

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Part #

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1747WP-120IND+
Analog Devices / Maxim Integrated
40: $59.26
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

$59.26

$55.09

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: $26.26
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

$26.26

$23.48

$22.40

$20.85

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: $34.72
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

$34.72

$30.21

$28.85

$25.80

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: $33.54
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

$33.54

$29.19

$27.87

$24.93

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: $33.27
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

$33.27

$29.75

$28.37

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: $1.48
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

$1.48

$1.45

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: $53.84
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

$53.84

$50.05

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 3.0Volt -40 to 85C I2C BUS

RX-8035SA:B3 PURE SN
Epson Timing
1: $8.54
250Expected 22/07/2026

Mfr. Part No.
RX-8035SA:B3 PURE SN

Mouser Part No
732-RX-8035SA:B3

Epson Timing

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

Datasheet

250Expected 22/07/2026

Cut Tape

$8.54

$5.74

$5.01

$4.19

Reel

$3.91

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SOP-14

Backup Switching

2.4 V

5.5 V

- 40 C

+ 85 C

RX-8035SA

SMD/SMT

Reel, Cut Tape, MouseReel

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

RX-4803SA:UB PURE SN
Epson Timing
1: $6.65
25Expected 16/03/2026

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 16/03/2026

$6.65

$6.26

$4.57

$4.56

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: $0.554
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

$0.554

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 RX8111CE:B0 REAL TIME CLOCK I2C-BUS 3.0V 23PPM 1K TR

RX8111CE B0
Epson Timing
1: $1.62
1,998On Order

Mfr. Part No.
RX8111CE B0

Mouser Part No
732-RX8111CEB0

Epson Timing

Real Time Clock RX8111CE:B0 REAL TIME CLOCK I2C-BUS 3.0V 23PPM 1K TR

Learn More

Datasheet

1,998On Order

Cut Tape

$1.62

$1.19

$1.08

$0.959

Reel

$0.824

View

Min.: 1
Mult.: 1

Reel: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

RTC

SMD/SMT

Reel, Cut Tape

Real Time Clock I2C GP RTCC 64B SRAM ID

MCP79400T-I/MNY
Microchip Technology
1: $1.04
Non-Stocked Lead-Time 8 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 8 Weeks

Cut Tape

$1.04

$0.96

$0.923

Reel

$0.923

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: $0.884
Non-Stocked Lead-Time 6 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 6 Weeks

Reel

$0.884

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: $1.02
Non-Stocked Lead-Time 8 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 8 Weeks

Reel

$1.02

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: $0.987
Non-Stocked Lead-Time 8 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 8 Weeks

Reel

$0.987

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: $0.923
Non-Stocked Lead-Time 6 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 6 Weeks

Reel

$0.923

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

Reel: 3,300

Reel

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

MCP79402T-I/MNY
Microchip Technology
3,300: $1.02
Non-Stocked Lead-Time 8 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 8 Weeks

Reel

$1.02

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: $0.987
Non-Stocked Lead-Time 8 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 8 Weeks

Reel

$0.987

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
3,300: $0.923
Non-Stocked Lead-Time 6 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 6 Weeks

Reel

$0.923

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

Reel: 3,300

Reel

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

MCP79402T-I/ST
Microchip Technology
2,500: $0.987
Non-Stocked Lead-Time 4 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 4 Weeks

Reel

$0.987

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

Reel: 2,500

Reel

Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM ID

MCP79510T-I/MN
Microchip Technology
3,300: $1.15
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
MCP79510T-I/MN

Mouser Part No
579-MCP79510T-I/MN

Microchip Technology

Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM ID

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$1.15

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

Reel: 3,300

Reel

Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-64

MCP79522T-I/MN
Microchip Technology
3,300: $1.33
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
MCP79522T-I/MN

Mouser Part No
579-MCP79522T-I/MN

Microchip Technology

Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-64

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.33

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

Reel: 3,300

Reel

Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-64

MCP79522T-I/MS
Microchip Technology
2,500: $1.33
Non-Stocked Lead-Time 11 Weeks

Mfr. Part No.
MCP79522T-I/MS

Mouser Part No
579-MCP79522T-I/MS

Microchip Technology

Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-64

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

$1.33

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

Reel: 2,500

Reel

Real Time Clock 1Kb EE 64B SRAM WD TED ID

MCP795W10T-I/SL
Microchip Technology
2,600: $1.57
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
MCP795W10T-I/SL

Mouser Part No
579-MCP795W10T-I/SL

Microchip Technology

Real Time Clock 1Kb EE 64B SRAM WD TED ID

Learn More

Datasheet

Non-Stocked Lead-Time 7 Weeks

Reel

$1.57

Min.: 2,600
Mult.: 2,600

Reel: 2,600

SPI

YY-MM-DD-dd

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

1 kB

SOIC-14

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel

Real Time Clock 1Kb EE 64B SRAM WD TED ID

MCP795W10T-I/ST
Microchip Technology
2,500: $1.61
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MCP795W10T-I/ST

Mouser Part No
579-MCP795W10T-I/ST

Microchip Technology

Real Time Clock 1Kb EE 64B SRAM WD TED ID

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

Reel

$1.61

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

Reel: 2,500

SPI

YY-MM-DD-dd

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

1 kB

TSSOP-14

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel

CA Real Time Clock

Customer Service Office

Company

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Support

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