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Reel Real Time Clock

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Part #

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

RV-3028-C8-32.768kHz-1PPM-TA-QA
Micro Crystal
1: $4.29
1,899In 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

1,899In Stock

Cut Tape

$4.29

$2.84

$2.59

$2.20

Reel

$1.65

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 I C RTC with 56-Byte NV RAM

DS1338U-33+T&R
Analog Devices / Maxim Integrated
1: $6.01
8,350In Stock

Mfr. Part No.
DS1338U-33+T&R

Mouser Part No
700-DS1338U-33T&R

Analog Devices / Maxim Integrated

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

Datasheet

8,350In Stock

Cut Tape

$6.01

$4.61

$4.26

$3.88

View

Reel

$3.37

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

56 B

uSOP-8

Backup Switching

3 V

5.5 V

- 40 C

+ 85 C

DS1338U

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial Alarm Real-Time Clock

DS1306E+T&R
Analog Devices / Maxim Integrated
1: $7.88
3,244In Stock

Mfr. Part No.
DS1306E+T&R

Mouser Part No
700-DS1306ET&R

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

3,244In Stock

Cut Tape

$7.88

$6.10

$5.66

$5.17

View

Reel

$4.46

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Serial 3-Wire, SPI

YY-MM-DD

HH:MM:SS (24 hr)

96 B

TSSOP-20

Backup Switching

2 V

5.5 V

0 C

+ 70 C

DS1306E

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Extremely Accurate I C RTC with Integrat

DS3232SN#T&R
Analog Devices / Maxim Integrated
1: $14.13
10,017In 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

10,017In Stock

Cut Tape

$14.13

$11.15

$10.41

$9.59

View

Reel

$8.76

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-Voltage SPI/3-Wire RTCs with Trickle

DS1394U-33+T&R
Analog Devices / Maxim Integrated
1: $6.01
6,919In 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

6,919In Stock

Cut Tape

$6.01

$4.61

$4.26

$3.88

View

Reel

$3.46

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 I C 32-Bit Binary Counter RTC

DS1672S-33+T&R
Analog Devices / Maxim Integrated
1: $5.31
6,013In Stock

Mfr. Part No.
DS1672S-33+T&R

Mouser Part No
700-DS1672S-33T&R

Analog Devices / Maxim Integrated

Real Time Clock I C 32-Bit Binary Counter RTC

Datasheet

6,013In Stock

Cut Tape

$5.31

$4.06

$3.75

$3.40

View

Reel

$2.92

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Serial 2-Wire, I2C

Binary

SOIC-8

Backup Switching

2.97 V

3.63 V

- 40 C

+ 85 C

DS1672S

SMD/SMT

Reel, Cut Tape, MouseReel

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: $5.33
1,777In 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

1,777In Stock

Cut Tape

$5.33

$3.67

$3.42

$3.01

Reel

$2.15

View

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: $2.54
2,009In 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

2,009In Stock

Cut Tape

$2.54

$1.64

$1.47

$1.21

Reel

$0.763

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 Serial Access Real Time Clock

M41T81SMY6F
STMicroelectronics
1: $8.74
3,074In Stock

Mfr. Part No.
M41T81SMY6F

Mouser Part No
511-M41T81SMY6F

STMicroelectronics

Real Time Clock Serial Access Real Time Clock

Datasheet

3,074In Stock

Cut Tape

$8.74

$6.79

$6.31

$5.77

View

Reel

$4.92

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 RV-8803-C7, Real-Time Clock, I C-bus, 3ppm @ -40 to +85C (SMD 3.2 x 1.5 x 0.8)

RV-8803-C7-TA-QC
Micro Crystal
1: $4.65
986In Stock

Mfr. Part No.
RV-8803-C7-TA-QC

Mouser Part No
428-RV-8803-C7-TA-QC

Micro Crystal

Real Time Clock RV-8803-C7, Real-Time Clock, I C-bus, 3ppm @ -40 to +85C (SMD 3.2 x 1.5 x 0.8)

Datasheet

986In Stock

Cut Tape

$4.65

$3.07

$2.80

$2.38

Reel

$1.72

View

Min.: 1
Mult.: 1

: 1,000

RV-8803-C7

SMD/SMT

Reel, Cut Tape

Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP

ISL12057IBZ-T
Renesas / Intersil
1: $2.73
12,732In 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

12,732In Stock

Cut Tape

$2.73

$2.04

$1.85

$1.67

Reel

$1.35

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 Ultra-Low power RTC w/ integrated power

MAX31334EWC+T
Analog Devices / Maxim Integrated
1: $3.37
1,658In Stock

Mfr. Part No.
MAX31334EWC+T

Mouser Part No
700-MAX31334EWC+T

Analog Devices / Maxim Integrated

Real Time Clock Ultra-Low power RTC w/ integrated power

Learn More

Datasheet

1,658In Stock

Cut Tape

$3.37

$2.54

$2.32

$2.10

Reel

$1.80

View

Min.: 1
Mult.: 1

: 2,500

MAX31334

Reel, Cut Tape

Real Time Clock 32.768kHz I2C Time Acc. 6ppm

RV-3129-C3 32.768kHz OPTION A TA QC
Micro Crystal
1: $5.82
977In Stock
1,000Expected 19/06/2026

Mfr. Part No.
RV-3129-C3 32.768kHz OPTION A TA QC

Mouser Part No
428-203688-MG01

Micro Crystal

Real Time Clock 32.768kHz I2C Time Acc. 6ppm

Learn More

Datasheet

977In Stock

1,000Expected 19/06/2026

Cut Tape

$5.82

$4.00

$3.73

$3.28

Reel

$2.43

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 B

Backup Switching

1.3 V

5.5 V

- 40 C

+ 85 C

RV-3129

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial 512 (64x8)

M41T81M6F
STMicroelectronics
1: $2.76
11,667In Stock

Mfr. Part No.
M41T81M6F

Mouser Part No
511-M41T81M6F

STMicroelectronics

Real Time Clock Serial 512 (64x8)

Datasheet

11,667In Stock

Cut Tape

$2.76

$2.06

$1.89

$1.69

Reel

$1.40

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

I2C

YY-MM-DD-dd

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

20 B

SOIC-8

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

M41T81

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial I2C bus RTC

M41T82ZM6F
STMicroelectronics
1: $3.08
13,710In Stock

Mfr. Part No.
M41T82ZM6F

Mouser Part No
511-M41T82ZM6F

STMicroelectronics

Real Time Clock Serial I2C bus RTC

Datasheet

13,710In Stock

Cut Tape

$3.08

$2.31

$2.12

$1.90

Reel

$1.58

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: $2.31
3,003In Stock
2,000Expected 02/07/2026

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 02/07/2026

Cut Tape

$2.31

$1.49

$1.33

$1.10

Reel

$0.735

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 Low Power Real time clocks

PCF85363ATL/AX
NXP Semiconductors
1: $1.44
85,981In Stock

Mfr. Part No.
PCF85363ATL/AX

Mouser Part No
771-PCF85363ATL/AX

NXP Semiconductors

Real Time Clock Low Power Real time clocks

Datasheet

85,981In Stock

Cut Tape

$1.44

$0.885

$0.806

$0.748

View

Reel

$0.644

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 I C Serial Real-Time Clock

DS1337C#T&R
Analog Devices / Maxim Integrated
1: $8.36
1,407In Stock

Mfr. Part No.
DS1337C#T&R

Mouser Part No
700-DS1337C#T&R-

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Learn More

Datasheet

1,407In Stock

Cut Tape

$8.36

$6.49

$6.02

$5.50

View

Reel

$4.84

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

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

SO-16

No Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

DS1337C

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I C Serial Real-Time Clock

DS1339U-3+T&R
Analog Devices / Maxim Integrated
1: $6.27
2,433In Stock

Mfr. Part No.
DS1339U-3+T&R

Mouser Part No
700-DS1339U-3T&R

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Learn More

Datasheet

2,433In Stock

Cut Tape

$6.27

$4.82

$4.45

$4.05

View

Reel

$3.53

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

uSOP-8

Backup Switching

2.7 V

3.3 V

- 40 C

+ 85 C

DS1339U

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2C RTCC 64B SRAM No VBAT

MCP7940MT-I/MNY
Microchip Technology
1: $0.77
5,734In Stock

Mfr. Part No.
MCP7940MT-I/MNY

Mouser Part No
579-MCP7940MT-I/MNY

Microchip Technology

Real Time Clock I2C RTCC 64B SRAM No VBAT

Learn More

Datasheet

5,734In Stock

Cut Tape

$0.77

$0.70

$0.675

Reel

$0.675

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

I2C

YY-MM-DD-dd

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

64 B

TDFN-8

No Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel, Cut Tape, MouseReel

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

MCP79511T-I/MS
Microchip Technology
1: $1.39
2,218In Stock

Mfr. Part No.
MCP79511T-I/MS

Mouser Part No
579-MCP79511T-I/MS

Microchip Technology

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

Learn More

Datasheet

2,218In Stock

Cut Tape

$1.39

$1.28

$1.22

Reel

$1.22

Min.: 1
Mult.: 1

: 2,500

Serial, I2C, SPI

YY-MM-DD-dd

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

64 B

Backup Switching

1.8 V

3.6 V

- 40 C

+ 85 C

SMD/SMT

Reel, Cut Tape

Real Time Clock Trickle-Charge Timekeeping Chip

DS1302S+T&R
Analog Devices / Maxim Integrated
1: $5.45
1,856In Stock

Mfr. Part No.
DS1302S+T&R

Mouser Part No
700-DS1302ST&R

Analog Devices / Maxim Integrated

Real Time Clock Trickle-Charge Timekeeping Chip

Learn More

Datasheet

1,856In Stock

Cut Tape

$5.45

$4.22

$3.85

$3.52

Reel

$3.04

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Serial 3-Wire

YY-MM-DD-dd

HH:MM:SS (24 hr)

31 B

SOIC-8

Backup Switching

2 V

5.5 V

0 C

+ 70 C

DS1302S

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output

DS1374C-33#T&R
Analog Devices / Maxim Integrated
1: $10.12
1,721In Stock

Mfr. Part No.
DS1374C-33#T&R

Mouser Part No
700-DS1374C-33#T&R-

Analog Devices / Maxim Integrated

Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output

Datasheet

1,721In Stock

Cut Tape

$10.12

$7.91

$7.35

$6.74

Reel

$6.11

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Serial 2-Wire, I2C

Binary

3 B

SO-16

Backup Switching

2.97 V

5.5 V

- 40 C

+ 85 C

DS1374C

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2051L02-E2
Nisshinbo
1: $1.55
3,620In Stock

Mfr. Part No.
R2051L02-E2

Mouser Part No
848-R2051L02-E2

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

3,620In Stock

Cut Tape

$1.55

$1.13

$1.03

$0.912

View

Reel

$0.687

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

QFN023023-16

Backup Switching

750 mV

5.5 V

- 40 C

+ 85 C

R2051L

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2C GP RTCC 64B SRAM ID

MCP79400T-I/SN
Microchip Technology
1: $0.95
3,759In Stock

Mfr. Part No.
MCP79400T-I/SN

Mouser Part No
579-MCP79400TISN

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM ID

Learn More

Datasheet

3,759In Stock

Cut Tape

$0.95

$0.88

$0.83

Reel

$0.83

Min.: 1
Mult.: 1

: 3,300

Serial 2-Wire, I2C

YY-MM-DD-dd

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

64 B

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Reel, Cut Tape

Reel Real Time Clock

Customer Service Office

Company

Resources

Support

2 B
3 B
4 B
7 B
8 B
10 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
512 B

DFN-16
DFN-20
DFN2626-10
DFN-8
HWSON-8
LGA-10
MSOP-10
MSOP-8
PLCC-28
QFN0202-18
QFN023023-16
QFN-16
QFN1818-12
SNT-A-8
SO-16
SO-20
SO-24
SO-28
SO-8
SOH-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
2.3 V
2.38 V
2.4 V
2.5 V
2.7 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
BQ4802LY
BQ4802Y
BQ4845
DP8570A