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Part #

Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012

AB-RTC-XPA-32.768KHZ-2-T1
ABRACON
1: $2.93
700In Stock
New Product

Mfr. Part No.
AB-RTC-XPA-32.768KHZ-2-T1

Mouser Part No
815-AB-XPA-32768K2T1

New Product

ABRACON

Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012

Learn More

Datasheet

700In Stock

Cut Tape

$2.93

$2.19

$2.00

$1.79

Reel

$1.54

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

DFN-8

Integrated Battery

900 mV

5.5 V

- 40 C

+ 85 C

AB-RTC-XPA-32.768kHz-2

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012

AB-RTC-XP-32.768KHZ-2-T1
ABRACON
1: $2.80
700In Stock
New Product

Mfr. Part No.
AB-RTC-XP-32.768KHZ-2-T1

Mouser Part No
815-XP32762T1

New Product

ABRACON

Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012

Learn More

Datasheet

700In Stock

Cut Tape

$2.80

$2.08

$1.91

$1.71

Reel

$1.47

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

DFN-8

Integrated Battery

900 mV

5.5 V

- 40 C

+ 85 C

AB-RTC-XP-32.768kHz-2

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6 AEC-Q200

RV-3028-C8-32.768kHz-1PPM-TA-QA
Micro Crystal
1: $3.80
1,861In Stock
New Product

Mfr. Part No.
RV-3028-C8-32.768kHz-1PPM-TA-QA

Mouser Part No
428-RV3028C81PPMTAQA

New Product

Micro Crystal

Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6 AEC-Q200

Learn More

Datasheet

1,861In Stock

Cut Tape

$3.80

$2.84

$2.58

$2.33

Reel

$2.23

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

SON-8

Backup Switching

1.1 V

5.5 V

- 40 C

+ 85 C

RV-3028-C8

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial Alarm Real-Time Clock

DS1305EN+
Analog Devices / Maxim Integrated
1: $11.01
2,975In Stock

Mfr. Part No.
DS1305EN+

Mouser Part No
700-DS1305EN

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

2,975In Stock

$11.01

$8.59

$7.58

$7.30

View

Min.: 1
Mult.: 1

Serial 3-Wire, SPI

YY-MM-DD

HH:MM:SS (24 hr)

96 B

TSSOP-20

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

DS1305EN

SMD/SMT

Tube

Real Time Clock Trickle-Charge Timekeeping Chip

DS1302ZN+T&R
Analog Devices / Maxim Integrated
1: $5.95
6,409In Stock

Mfr. Part No.
DS1302ZN+T&R

Mouser Part No
700-DS1302ZNT&R

Analog Devices / Maxim Integrated

Real Time Clock Trickle-Charge Timekeeping Chip

Learn More

Datasheet

6,409In Stock

Cut Tape

$5.95

$4.54

$4.18

$3.79

View

Reel

$3.41

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Serial 3-Wire

YY-MM-DD-dd

HH:MM:SS (24 hr)

31 B

SOIC-8

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

DS1302ZN

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I C Serial Real-Time Clock

DS1339C-33#
Analog Devices / Maxim Integrated
1: $11.98
2,779In Stock

Mfr. Part No.
DS1339C-33#

Mouser Part No
700-DS1339C-33#

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Datasheet

2,779In Stock

$11.98

$9.39

$8.54

$8.02

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

SO-16

Backup Switching

2.97 V

5.5 V

- 40 C

+ 85 C

DS1339C

SMD/SMT

Tube

Real Time Clock I C RTC with Trickle Charger

DS1340C-3#
Analog Devices / Maxim Integrated
1: $10.97
13,385In Stock

Mfr. Part No.
DS1340C-3#

Mouser Part No
700-DS1340C-3#-

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Learn More

Datasheet

13,385In Stock

$10.97

$8.56

$7.77

$7.29

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SO-16

Backup Switching

2.7 V

3.3 V

- 40 C

+ 85 C

DS1340C

SMD/SMT

Tube

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

DS1394U-33+T&R
Analog Devices / Maxim Integrated
1: $6.01
5,664In Stock

Mfr. Part No.
DS1394U-33+T&R

Mouser Part No
700-DS1394U-33T&R

Analog Devices / Maxim Integrated

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

Datasheet

5,664In Stock

Cut Tape

$6.01

$4.61

$4.26

$3.88

View

Reel

$3.50

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Serial 3-Wire, SPI

YY-MM-DD-dd

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

uSOP-10

Backup Switching

2.97 V

5.5 V

- 40 C

+ 85 C

DS1394U

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Extremely Accurate SPI Bus RTC with Inte

DS3234SN#
Analog Devices / Maxim Integrated
1: $16.42
17,475In Stock

Mfr. Part No.
DS3234SN#

Mouser Part No
700-DS3234SN#

Analog Devices / Maxim Integrated

Real Time Clock Extremely Accurate SPI Bus RTC with Inte

Datasheet

17,475In Stock

$16.42

$13.00

$11.87

$11.14

View

Min.: 1
Mult.: 1

SPI

YY-MM-DD-dd

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

256 B

SO-20

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

DS3234SN

SMD/SMT

Tube

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

MCP79401-I/SN
Microchip Technology
1: $1.04
15,830In Stock

Mfr. Part No.
MCP79401-I/SN

Mouser Part No
579-MCP79401ISN

Microchip Technology

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

Learn More

Datasheet

15,830In Stock

$1.04

$0.961

$0.936

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

64 B

SOIC-8

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tube

Real Time Clock I C RTC with Trickle Charger

DS1340Z-18+
Analog Devices / Maxim Integrated
1: $7.56
5,908In Stock

Mfr. Part No.
DS1340Z-18+

Mouser Part No
700-DS1340Z-18

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Learn More

Datasheet

5,908In Stock

$7.56

$5.83

$5.34

$4.58

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SO-8

Backup Switching

1.71 V

1.89 V

- 40 C

+ 85 C

DS1340Z

SMD/SMT

Tube

Real Time Clock I C RTC with 56-Byte NV RAM

DS1338Z-33+
Analog Devices / Maxim Integrated
1: $6.90
23,962In Stock

Mfr. Part No.
DS1338Z-33+

Mouser Part No
700-DS1338Z-33

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with 56-Byte NV RAM

Datasheet

23,962In Stock

$6.90

$5.29

$4.90

$4.45

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

56 B

SOIC-8

Backup Switching

3 V

5.5 V

- 40 C

+ 85 C

DS1338Z

SMD/SMT

Tube

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744WP-120IND+
Analog Devices / Maxim Integrated
1: $59.38
631In Stock

Mfr. Part No.
DS1744WP-120IND+

Mouser Part No
700-DS1744WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

631In Stock

$59.38

$50.80

$47.54

$46.90

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

- 40 C

+ 85 C

DS1744WP

SMD/SMT

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744P-70IND+
Analog Devices / Maxim Integrated
1: $60.48
912In Stock

Mfr. Part No.
DS1744P-70IND+

Mouser Part No
700-DS1744P-70IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

912In Stock

$60.48

$49.68

$46.10

$43.98

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1744P

SMD/SMT

Tray

Real Time Clock Extremely Accurate I C RTC with Integrat

DS3232SN#T&R
Analog Devices / Maxim Integrated
1: $14.83
9,886In Stock

Mfr. Part No.
DS3232SN#T&R

Mouser Part No
700-DS3232SN#T&R-

Analog Devices / Maxim Integrated

Real Time Clock Extremely Accurate I C RTC with Integrat

Datasheet

9,886In Stock

Cut Tape

$14.83

$11.66

$10.85

$9.97

View

Reel

$9.08

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

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

236 B

SO-20

Backup Switching

2.3 V

5.5 V

- 40 C

+ 85 C

DS3232SN

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Low Power Real time clocks

PCF85363ATL/AX
NXP Semiconductors
1: $1.24
85,737In Stock

Mfr. Part No.
PCF85363ATL/AX

Mouser Part No
771-PCF85363ATL/AX

NXP Semiconductors

Real Time Clock Low Power Real time clocks

Datasheet

85,737In Stock

Cut Tape

$1.24

$0.956

$0.876

$0.818

View

Reel

$0.679

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

64 B

DFN2626-10

Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

PCF85363A

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP

ISL12057IBZ-T
Renesas / Intersil
1: $2.83
12,358In Stock

Mfr. Part No.
ISL12057IBZ-T

Mouser Part No
968-ISL12057IBZ-T

Renesas / Intersil

Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP

Datasheet

12,358In Stock

Cut Tape

$2.83

$2.11

$1.90

$1.73

Reel

$1.38

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SOIC-8

No Backup Switching

1.8 V

3.6 V

- 40 C

+ 85 C

ISL12057

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial I2C bus RTC

M41T82ZM6F
STMicroelectronics
1: $3.23
13,335In Stock

Mfr. Part No.
M41T82ZM6F

Mouser Part No
511-M41T82ZM6F

STMicroelectronics

Real Time Clock Serial I2C bus RTC

Datasheet

13,335In Stock

Cut Tape

$3.23

$2.41

$2.20

$1.98

Reel

$1.62

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Serial

YY-MM-DD-dd

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

32 B

SOIC-8

Backup Switching

2.38 V

5.5 V

- 40 C

+ 85 C

M41T82

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2023T-E2-F
Nisshinbo
1: $1.49
3,003In Stock
2,000Expected 2026/08/05

Mfr. Part No.
R2023T-E2-F

Mouser Part No
848-R2023TE2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

3,003In Stock

2,000Expected 2026/08/05

Cut Tape

$1.49

$1.09

$0.987

$0.876

Reel

$0.802

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)

TSSOP-10

No Backup Switching

1.7 V

5.5 V

- 40 C

+ 85 C

R2023T

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial Access Real Time Clock

M41T81SMY6F
STMicroelectronics
1: $9.06
3,045In Stock

Mfr. Part No.
M41T81SMY6F

Mouser Part No
511-M41T81SMY6F

STMicroelectronics

Real Time Clock Serial Access Real Time Clock

Datasheet

3,045In Stock

Cut Tape

$9.06

$7.02

$6.51

$5.95

Reel

$5.08

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

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

20 B

SOX-18

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

M41T81S

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 4096k NV SRAM with Phantom Clock

DS1251WP-120IND+
Analog Devices / Maxim Integrated
1: $85.39
46In Stock
120Expected 2026/06/11

Mfr. Part No.
DS1251WP-120IND+

Mouser Part No
700-DS1251WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock 4096k NV SRAM with Phantom Clock

Datasheet

46In Stock

120Expected 2026/06/11

$85.39

$71.12

$67.21

$64.41

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

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

512 kB

PowerCap Module-34

2.97 V

3.63 V

- 40 C

+ 85 C

DS1251WP

SMD/SMT

Tray

Real Time Clock RV-3029-C3, Real-Time Clock, I C-bus, B Stability, 25ppm @ -40 to +85C (SMD 3.7 x 2.5 x 0.9)

RV-3029-C3-TA-QC-Opt. B
Micro Crystal
1: $4.99
1,767In Stock

Mfr. Part No.
RV-3029-C3-TA-QC-Opt. B

Mouser Part No
428-RV3029C3TAQCOPTB

Micro Crystal

Real Time Clock RV-3029-C3, Real-Time Clock, I C-bus, B Stability, 25ppm @ -40 to +85C (SMD 3.7 x 2.5 x 0.9)

Datasheet

1,767In Stock

Cut Tape

$4.99

$3.76

$3.45

$3.12

$3.08

Reel

$2.61

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

Backup Switching

1.3 V

5.5 V

- 40 C

+ 85 C

RV-3029-C3

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

RS5C372B-E2-F
Nisshinbo
1: $1.64
1,809In Stock

Mfr. Part No.
RS5C372B-E2-F

Mouser Part No
848-RS5C372B-E2-F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

1,809In Stock

Cut Tape

$1.64

$1.20

$1.09

$0.961

Reel

$0.79

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)

16 B

SSOP-8

Backup Switching

2 V

6 V

- 40 C

+ 85 C

RS5C372

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Low-Current, SPI-Compatible Real-Time Cl

DS1347T+T&R
Analog Devices / Maxim Integrated
1: $5.19
2,246In Stock

Mfr. Part No.
DS1347T+T&R

Mouser Part No
700-DS1347T+T&R

Analog Devices / Maxim Integrated

Real Time Clock Low-Current, SPI-Compatible Real-Time Cl

Learn More

Datasheet

2,246In Stock

Cut Tape

$5.19

$3.97

$3.65

$3.31

View

Reel

$2.97

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SPI

YY-MM-DD-dd

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

8 B

TDFN-EP-8

No Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

DS1347T

SMD/SMT

Reel, Cut Tape, MouseReel

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

DS1687-5IND+
Analog Devices / Maxim Integrated
1: $30.85
87In Stock

Mfr. Part No.
DS1687-5IND+

Mouser Part No
700-DS1687-5IND

Analog Devices / Maxim Integrated

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

Datasheet

87In Stock

$30.85

$24.43

$21.60

$21.26

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

242 B

EDIP-24

Integrated Battery

4.5 V

5.5 V

- 40 C

+ 85 C

DS1687

Through Hole

Tube

- 40 C Real Time Clock

Customer Service Office

Company

Resources

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
114 B
128 B
160 B
236 B
242 B
256 B

DFN-20
DFN2626-10
DFN-8
DIP-16
DIP-8
EDIP-24
EDIP-28
EDIP-32
HWSON-8
LGA-10
MSOP-10
MSOP-8
PDIP-16
PDIP-24
PDIP-28
PDIP-8
PLCC-28
PowerCap Module-34
QFN0202-18
QFN023023-16

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
BQ32000
BQ32002
CDP68HC68T1
DP8570A
DP8573A
DS1244W