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Interface IC's Real Time Clock

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Part #

Real Time Clock 3-Wire Real Time Clock IC

R2033T-E2-F
Nisshinbo
1: HK$12.25
1,989In Stock

Mfr. Part No.
R2033T-E2-F

Mouser Part No
848-R2033TE2F

Nisshinbo

Real Time Clock 3-Wire Real Time Clock IC

Datasheet

1,989In Stock

Cut Tape

HK$12.25

HK$8.96

HK$8.11

HK$7.20

Reel

HK$5.86

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Serial 3-Wire

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

R2033T

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 4-wire Serial Interface

RV5C348B-E2-F
Nisshinbo
1: HK$13.48
1,675In Stock

Mfr. Part No.
RV5C348B-E2-F

Mouser Part No
848-RV5C348B-E2-F

Nisshinbo

Real Time Clock 4-wire Serial Interface

Datasheet

1,675In Stock

Cut Tape

HK$13.48

HK$9.86

HK$8.96

HK$7.90

Reel

HK$6.59

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Serial 4-Wire

YY-MM-DD-dd

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

SSOP-10

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

RV5C348

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2051L02-E2
Nisshinbo
1: HK$13.23
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

HK$13.23

HK$9.70

HK$8.80

HK$7.76

Reel

HK$6.21

View

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 RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in HXSON10 package.

PCF85363ATL/AX
NXP Semiconductors
1: HK$10.93
82,407In Stock

Mfr. Part No.
PCF85363ATL/AX

Mouser Part No
771-PCF85363ATL/AX

NXP Semiconductors

Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in HXSON10 package.

Datasheet

82,407In Stock

Cut Tape

HK$10.93

HK$8.63

HK$7.99

HK$7.34

View

Reel

HK$6.12

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

DFN2626-10

Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

PCF85363A

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2221T-E2-F
Nisshinbo
1: HK$13.23
2,603In Stock

Mfr. Part No.
R2221T-E2-F

Mouser Part No
848-R2221TE2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

2,603In Stock

Cut Tape

HK$13.23

HK$9.70

HK$8.80

HK$7.76

View

Reel

HK$6.29

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

1.5 V

5.5 V

- 40 C

+ 85 C

R2221T

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2023T-E2-F
Nisshinbo
1: HK$12.25
5,003In Stock

Mfr. Part No.
R2023T-E2-F

Mouser Part No
848-R2023TE2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

Datasheet

5,003In Stock

Cut Tape

HK$12.25

HK$8.96

HK$8.11

HK$7.20

Reel

HK$6.59

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 4-wire Real Time Clock Module

R2045S-E2-FE
Nisshinbo
1: HK$38.80
3,638In Stock

Mfr. Part No.
R2045S-E2-FE

Mouser Part No
848-R2045S-E2-FE

Nisshinbo

Real Time Clock 4-wire Real Time Clock Module

Datasheet

3,638In Stock

Cut Tape

HK$38.80

HK$29.35

HK$26.96

HK$24.33

Reel

HK$20.80

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Serial 4-Wire

YY-MM-DD-dd

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

No Backup Switching

1.7 V

5.5 V

- 40 C

+ 85 C

R2045S/D

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2223T-E2-F
Nisshinbo
1: HK$13.65
1,680In Stock

Mfr. Part No.
R2223T-E2-F

Mouser Part No
848-R2223TE2F

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

1,680In Stock

Cut Tape

HK$13.65

HK$10.03

HK$9.04

HK$8.03

Reel

HK$6.26

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

1.5 V

5.5 V

- 40 C

+ 85 C

R2223T

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 4-Wire Real Time Clock IC

RV5C348A-E2-F
Nisshinbo
1: HK$13.48
1,728In Stock

Mfr. Part No.
RV5C348A-E2-F

Mouser Part No
848-RV5C348AE2F

Nisshinbo

Real Time Clock 4-Wire Real Time Clock IC

Datasheet

1,728In Stock

Cut Tape

HK$13.48

HK$9.86

HK$8.96

HK$7.90

Reel

HK$6.59

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Serial 4-Wire, SPI

YY-MM-DD-dd

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

SSOP-10

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

RV5C348

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 2-Wire Real Time Clock IC

R2223L-E2
Nisshinbo
1: HK$13.56
5,351In Stock

Mfr. Part No.
R2223L-E2

Mouser Part No
848-R2223L-E2

Nisshinbo

Real Time Clock 2-Wire Real Time Clock IC

5,351In Stock

Cut Tape

HK$13.56

HK$9.95

HK$8.96

HK$7.90

Reel

HK$6.59

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Serial 2-Wire, I2C

BCD

QFN1818-12

No Backup Switching

1.5 V

5.5 V

- 40 C

+ 85 C

R2223L

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in HXSON10 package.

PCF85263ATL/AX
NXP Semiconductors
1: HK$10.85
49,385In Stock
32,000Expected 16/9/2026

Mfr. Part No.
PCF85263ATL/AX

Mouser Part No
771-PCF85263ATL/AX

NXP Semiconductors

Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in HXSON10 package.

Learn More

Datasheet

49,385In Stock

32,000Expected 16/9/2026

Cut Tape

HK$10.85

HK$7.85

HK$7.10

HK$6.28

View

Reel

HK$5.11

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

DFN2626-10

Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

PCF85263A

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RTC IC with 400 kHz I2C interface in HXSON10 package.

PCF85063ATL/1,118
NXP Semiconductors
1: HK$7.15
17,806In Stock
44,000Expected 21/9/2026

Mfr. Part No.
PCF85063ATL/1,118

Mouser Part No
771-PCF85063ATL1118

NXP Semiconductors

Real Time Clock RTC IC with 400 kHz I2C interface in HXSON10 package.

Learn More

Datasheet

17,806In Stock

44,000Expected 21/9/2026

Cut Tape

HK$7.15

HK$5.03

HK$4.51

HK$3.95

View

Reel

HK$3.13

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

I2C

YY-MM-DD-dd

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

DFN2626-10

No Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

PCF85063A

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RTC IC with 400 kHz SPI Interface in HXSON10 package.

PCF85063BTL/1,118
NXP Semiconductors
1: HK$6.58
5,387In Stock
8,000Expected 15/3/2027

Mfr. Part No.
PCF85063BTL/1,118

Mouser Part No
771-PCF85063BTL1118

NXP Semiconductors

Real Time Clock RTC IC with 400 kHz SPI Interface in HXSON10 package.

Learn More

Datasheet

5,387In Stock

8,000Expected 15/3/2027

Cut Tape

HK$6.58

HK$4.76

HK$4.32

HK$3.94

View

Reel

HK$3.13

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

SPI

YY-MM-DD-dd

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

DFN2626-10

No Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

PCF85063B

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package.

PCF85063ATT/AJ
NXP Semiconductors
1: HK$7.97
10,282In Stock
15,000Expected 29/3/2027

Mfr. Part No.
PCF85063ATT/AJ

Mouser Part No
771-PCF85063ATT/AJ

NXP Semiconductors

Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package.

Learn More

Datasheet

10,282In Stock

15,000Expected 29/3/2027

Cut Tape

HK$7.97

HK$5.70

HK$5.01

HK$4.39

Reel

HK$3.63

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

I2C

YY-MM-DD-dd

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

TSSOP-8

No Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

PCF85063A

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package.

PCF8563T/5,518
NXP Semiconductors
1: HK$9.95
17,951In Stock
35,000Expected 21/9/2026

Mfr. Part No.
PCF8563T/5,518

Mouser Part No
771-PCF8563T/5518

NXP Semiconductors

Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package.

Datasheet

17,951In Stock

35,000Expected 21/9/2026

Cut Tape

HK$9.95

HK$7.55

HK$6.83

HK$6.03

Reel

HK$5.03

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

5.5 V

- 40 C

+ 85 C

PCF8563

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package.

PCF8563TS/5,118
NXP Semiconductors
1: HK$14.39
3,123In Stock
7,500Expected 16/11/2026

Mfr. Part No.
PCF8563TS/5,118

Mouser Part No
771-PCF8563TS/5118

NXP Semiconductors

Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package.

Datasheet

3,123In Stock

7,500Expected 16/11/2026

Cut Tape

HK$14.39

HK$10.52

HK$9.54

HK$8.47

Reel

HK$7.03

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

TSSOP-8

No Backup Switching

1 V

5.5 V

- 40 C

+ 85 C

PCF8563

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package.

PCF85063AT/AY
NXP Semiconductors
1: HK$7.73
33,601In Stock
22,500On Order

Mfr. Part No.
PCF85063AT/AY

Mouser Part No
771-PCF85063AT/AY

NXP Semiconductors

Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package.

Learn More

Datasheet

33,601In Stock

22,500On Order

Cut Tape

HK$7.73

HK$5.46

HK$4.91

HK$4.30

Reel

HK$3.42

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

I2C

YY-MM-DD-dd

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

SOIC-8

No Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

PCF85063A

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 4-Wire Real Time Clock IC

R2043T-E2-F
Nisshinbo
1: HK$12.41
2,316In Stock

Mfr. Part No.
R2043T-E2-F

Mouser Part No
848-R2043TE2F

Nisshinbo

Real Time Clock 4-Wire Real Time Clock IC

Datasheet

2,316In Stock

Cut Tape

HK$12.41

HK$9.04

HK$8.11

HK$7.20

Reel

HK$6.09

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Serial 4-Wire, SPI

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

R2043T

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package.

PCF2131TFY
NXP Semiconductors
1: HK$30.50
23,470In Stock
32,000On Order

Mfr. Part No.
PCF2131TFY

Mouser Part No
771-PCF2131TFY

NXP Semiconductors

Real Time Clock RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package.

Learn More

Datasheet

23,470In Stock

32,000On Order

Cut Tape

HK$30.50

HK$23.10

HK$20.80

HK$18.66

View

Reel

HK$15.45

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Serial, I2C, SPI

YY-MM-DD-dd

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

Backup Switching

1.2 V

5.5 V

- 40 C

+ 85 C

PCF2131

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in SO8 package.

PCF85263AT/AJ
NXP Semiconductors
1: HK$11.18
161,938In Stock

Mfr. Part No.
PCF85263AT/AJ

Mouser Part No
771-PCF85263AT/AJ

NXP Semiconductors

Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in SO8 package.

Learn More

Datasheet

161,938In Stock

Cut Tape

HK$11.18

HK$8.30

HK$7.36

HK$6.52

Reel

HK$5.52

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Serial 2-Wire, I2C

YY-MM-DD-dd

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

SO-8

Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

PCF85263A

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Automotive RTC IC with 400 kHz I2C interface in TSSOP8 package.

PCA85073ADP/Q900Z
NXP Semiconductors
1: HK$13.56
6,172In Stock
32,500On Order

Mfr. Part No.
PCA85073ADP/Q900Z

Mouser Part No
771-PCA85073ADPQ900Z

NXP Semiconductors

Real Time Clock Automotive RTC IC with 400 kHz I2C interface in TSSOP8 package.

Learn More

Datasheet

6,172In Stock

32,500On Order

Cut Tape

HK$13.56

HK$9.95

HK$9.04

HK$8.00

View

Reel

HK$6.74

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

TSSOP-8

No Backup Switching

900 mV

5.5 V

- 40 C

+ 105 C

PCA85073A

SMD/SMT

AEC-Q100

Reel, Cut Tape, MouseReel

Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP8 package.

PCF85263ATT/AJ
NXP Semiconductors
1: HK$11.43
4,642In Stock
40,000On Order

Mfr. Part No.
PCF85263ATT/AJ

Mouser Part No
771-PCF85263ATT/AJ

NXP Semiconductors

Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP8 package.

Learn More

Datasheet

4,642In Stock

40,000On Order

Cut Tape

HK$11.43

HK$8.30

HK$7.49

HK$6.62

Reel

HK$5.52

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

I2C

YY-MM-DD-dd

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

TSSOP-8

Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

PCF85263A

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RTC IC with 400 kHz I2C interface in HWSON8 package.

PCF85063TP/1Z
NXP Semiconductors
1: HK$8.30
8In Stock
76,000Expected 12/4/2027

Mfr. Part No.
PCF85063TP/1Z

Mouser Part No
771-PCF85063TP/1Z

NXP Semiconductors

Real Time Clock RTC IC with 400 kHz I2C interface in HWSON8 package.

Datasheet

8In Stock

76,000Expected 12/4/2027

Cut Tape

HK$8.30

HK$5.92

HK$5.34

HK$4.45

View

Reel

HK$3.61

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

I2C

YY-MM-DD-dd

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

HWSON-8

No Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

PCF85063TP

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Real-Time Clock SPI interface with power management, -40 to +85 C, 16-pin QFN

AM1815AQ
Ambiq
1: HK$6.33
557In Stock
3,000Expected 8/1/2027

Mfr. Part No.
AM1815AQ

Mouser Part No
222-AM1815AQ

Ambiq

Real Time Clock Real-Time Clock SPI interface with power management, -40 to +85 C, 16-pin QFN

Datasheet

557In Stock

3,000Expected 8/1/2027

HK$6.33

HK$6.26

Min.: 1
Mult.: 1

Artasie SPI w/ Power Management

Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP10 package.

PCF85263ATT1/AZ
NXP Semiconductors
1: HK$11.92
5,642In Stock
7,500On Order

Mfr. Part No.
PCF85263ATT1/AZ

Mouser Part No
771-PCF85263ATT1/AZ

NXP Semiconductors

Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP10 package.

Learn More

Datasheet

5,642In Stock

7,500On Order

Cut Tape

HK$11.92

HK$8.71

HK$7.85

HK$6.94

Reel

HK$5.95

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Serial 2-Wire, I2C

YY-MM-DD-dd

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

TSSOP-10

Backup Switching

900 mV

5.5 V

- 40 C

+ 85 C

PCF85263A

SMD/SMT

Reel, Cut Tape, MouseReel

Interface IC's Real Time Clock

Customer Service Office

Company

Resources

Support

Artasie I2C
Artasie I2C w/ Power Management
Artasie SPI
Artasie SPI w/ Power Management
PCA2129
PCA2131
PCA85073A
PCF2131
PCF85053A
PCF85063A
PCF85063B
PCF85063TP
PCF85263A
PCF85363A
PCF8563
R2023L
R2023T
R2033T
R2043L
R2043T