Real Time Clock – Mouser Philippines

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Real Time Clocks for Thermostats

Real Time Clocks (RTCs) are IC devices that keep track of time. A typical RTC can provide the time of day as well as the date via a serial bus such as I2C or SPI

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Mga Resulta: 12

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RTC Bus Interface

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May Stock

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# ng Piyesa

Real Time Clock I C Serial Real-Time Clock

DS1339U-3+
Analog Devices / Maxim Integrated
1: ₱449.08
1,339May Stock

Mfr. # ng Piyesa
DS1339U-3+

# ng Piyesa ng Mouser
700-DS1339U-3

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Alamin Pa

Datasheet

1,339May Stock

₱449.08

₱346.01

₱310.43

₱283.44

Tingnan

Min.: 1
Mult.: 1

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

Tube

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

MCP79410-I/MS
Microchip Technology
1: ₱66.26
2,260May Stock

Mfr. # ng Piyesa
MCP79410-I/MS

# ng Piyesa ng Mouser
579-MCP79410-I/MS

Microchip Technology

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

Alamin Pa

Datasheet

2,260May Stock

₱66.26

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

64 B

MSOP-8

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tube

Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc

M41ST87WSS6F
STMicroelectronics
1: ₱473.62
415May Stock

Mfr. # ng Piyesa
M41ST87WSS6F

# ng Piyesa ng Mouser
511-M41ST87WSS6F

STMicroelectronics

Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc

Datasheet

415May Stock

Cut Tape

₱473.62

₱365.03

₱338.04

₱308.59

Reel

₱266.87

Tingnan

Available ang MouseReel

Min.: 1
Mult.: 1

: 1,350

Serial 2-Wire, I2C

YY-MM-DD-dd

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

160 B

SSOP-20

Backup Switching

2.7 V

3.6 V

- 40 C

+ 85 C

M41ST87W

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I C Serial Real-Time Clock

DS1339U-33+
Analog Devices / Maxim Integrated
1: ₱465.65
572May Stock
1,000Inaasahan 8/7/2026

Mfr. # ng Piyesa
DS1339U-33+

# ng Piyesa ng Mouser
700-DS1339U-33

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Alamin Pa

Datasheet

572May Stock

1,000Inaasahan 8/7/2026

₱465.65

₱359.51

₱319.02

₱303.07

Min.: 1
Mult.: 1
Max.: 100

Serial 2-Wire, I2C

YY-MM-DD-dd

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

uSOP-8

Backup Switching

2.97 V

5.5 V

- 40 C

+ 85 C

DS1339U

SMD/SMT

Tube

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

PCF8563TS/5,118
NXP Semiconductors
1: ₱107.36
5,509May Stock
7,500Inaasahan 11/16/2026

Mfr. # ng Piyesa
PCF8563TS/5,118

# ng Piyesa ng Mouser
771-PCF8563TS/5118

NXP Semiconductors

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

Datasheet

5,509May Stock

7,500Inaasahan 11/16/2026

Cut Tape

₱107.36

₱78.53

₱71.17

₱63.19

Tingnan

Reel

₱49.57

Available ang MouseReel

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 I2C GP RTCC 64B SRAM

MCP7940N-I/MS
Microchip Technology
1: ₱55.22
440May Stock
1,800Inaasahan 8/10/2026

Mfr. # ng Piyesa
MCP7940N-I/MS

# ng Piyesa ng Mouser
579-MCP7940N-I/MS

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM

Alamin Pa

Datasheet

440May Stock

1,800Inaasahan 8/10/2026

₱55.22

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

64 B

MSOP-8

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tube

Real Time Clock I2C GP RTCC 64B SRAM

MCP7940N-I/ST
Microchip Technology
1: ₱55.22
301May Stock
500Inaasahan 1/1/2027

Mfr. # ng Piyesa
MCP7940N-I/ST

# ng Piyesa ng Mouser
579-MCP7940N-I/ST

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM

Alamin Pa

Datasheet

301May Stock

500Inaasahan 1/1/2027

₱55.22

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 1Kb EE 64B SRAM ID

MCP79410-I/ST
Microchip Technology
1: ₱66.26
954May Stock

Mfr. # ng Piyesa
MCP79410-I/ST

# ng Piyesa ng Mouser
579-MCP79410-I/ST

Microchip Technology

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

Alamin Pa

Datasheet

954May Stock

₱66.26

Min.: 1
Mult.: 1

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 Parallel RTC A 595-B Q4802LYPWR A 595-BQ A 595-BQ4802LYPWR

BQ4802LYPW
Texas Instruments
1: ₱589.57
53May Stock
End of Life

Mfr. # ng Piyesa
BQ4802LYPW

# ng Piyesa ng Mouser
595-BQ4802LYPW

End of Life

Texas Instruments

Real Time Clock Parallel RTC A 595-B Q4802LYPWR A 595-BQ A 595-BQ4802LYPWR

Datasheet

53May Stock

₱589.57

₱476.69

₱404.30

₱384.05

Tingnan

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

16 B

TSSOP-28

Backup Switching

2.7 V

3.6 V

0 C

+ 70 C

BQ4802LY

SMD/SMT

Tube

Real Time Clock I C Serial Real-Time Clock

DS1337U+
Analog Devices / Maxim Integrated
1: ₱315.95
242May Stock

Mfr. # ng Piyesa
DS1337U+

# ng Piyesa ng Mouser
700-DS1337U

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Alamin Pa

Datasheet

242May Stock

₱315.95

₱241.11

₱215.34

₱200.61

Tingnan

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

uSOP-8

No Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

DS1337U

SMD/SMT

Tube

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

DS1338U-33+
Analog Devices / Maxim Integrated
1: ₱423.32
199May Stock
200Inaasahan 10/6/2026

Mfr. # ng Piyesa
DS1338U-33+

# ng Piyesa ng Mouser
700-DS1338U-33

Analog Devices / Maxim Integrated

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

Datasheet

199May Stock

200Inaasahan 10/6/2026

₱423.32

₱324.54

₱296.93

₱277.30

Tingnan

Min.: 1
Mult.: 1

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

Tube

Real Time Clock I C RTC with Trickle Charger

DS1340U-33+
Analog Devices / Maxim Integrated
1: ₱442.95
159May Stock
100Inaasahan 8/7/2026

Mfr. # ng Piyesa
DS1340U-33+

# ng Piyesa ng Mouser
700-DS1340U-33

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Alamin Pa

Datasheet

159May Stock

100Inaasahan 8/7/2026

₱442.95

₱327.61

₱302.46

₱287.73

Tingnan

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

uSOP-8

Backup Switching

2.97 V

5.5 V

- 40 C

+ 85 C

DS1340U

SMD/SMT

Tube

Real Time Clocks for Thermostats

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