M41T80M 데이터 시트보기 (PDF) - STMicroelectronics

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M41T80M

Serial access real-time clock with alarm

STMicroelectronics 

Description

Figure 2. 8-pin SOIC connections

XI

XO

F32K(1)

VSS

1

8

2

7

3 M41T80 6

4

5

VCC

IRQ/OUT/SQW(1)

SCL

SDA

1. Open drain output

Figure 3. Block diagram

CRYSTAL

32KHz

OSCILLATOR

REAL TIME CLOCK

CALENDAR

RTC W/ALARM

AF

SDA

SCL

I2C

INTERFACE

SQUARE WAVE

1. Open drain output

M41T80

AI07006

IRQ/OUT/SQW(1)

F32K(1)

AI07007

6/27

Doc ID 9074 Rev 5

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