MB3773 データシートの表示（PDF） - Fujitsu

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MB3773

Power Supply Monitor with Watch-Dog Timer

Fujitsu 

MB3773

• MB3773 Basic Operation

VCC

VCC

CT

RESET

RESET

CK

GND

Logic Circuit

RESET

RESET

CK

TPR (ms) =: 1000 · CT (µF)

TWD (ms) =: 100 · CT (µF)

TWR (ms) =: 20 · CT (µF)

Example : CT = 0.1 µF

TRR (ms) =: 100 (ms)

TWD (ms) =: 10 (ms)

TWR (ms) =: 2 (ms)

VCC

VSH

VSL

0.8 V

CK

TCK

CT

RESET

TPR

TWD

TWR

(1) (2)

(3)(4)(5) (5)

(6) (7)

(8)(9)

TPR

(10)

(11) (12)

5

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