MM1145AF 查看數據表（PDF） - Mitsumi

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MM1145AF

System Reset (with built-in watchdog timer)

Mitsumi 

MITSUMI

Pin Assignment

8765

1234

SOP-8C

(TOP VIEW)

System Reset (with built-in watchdog timer) MM1145

1

TC

2

CK1

3

CK2

4

GND

5

VCC

6

RCT

7

VS

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8

RESET

Pin Description

Pin No. Pin name

Function

1

TC TWD, TWR, TPR time setting pins. Time determined by external capacitor.

2

CK1 Clock input pin 1 Clock input from logic system

3

CK2 Clock input pin 2 Clock input from logic system

4

GND GND pin

5

VCC Power supply pin Detection voltage 4.2V

Watchdog timer stop pin and TWD adjustment pin

6

RCT Operation modes : Operation Vcc, Stop GND

TWD time determined by external resistor RRCT and CT

7

VS Detection voltage adjustment pin

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8 RESET Reset output pin (low output)

Block Diagram

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