M51957A Просмотр технического описания (PDF) - Renesas Electronics

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M51957A

VOLTAGE DETECTING/ SYSTEM RESETTING IC SERIES

Renesas Electronics 

M51957A,B/M51958A,B

Block Diagram

M51957A, B

Power-

supply

A: Built-in Load

B: Open Collector

Input

5µA

Typ

–

+

1.25V

25µA

Typ

–

Output

Input

M51958A, B

Power-

supply

A: Built-in Load

B: Open Collector

5µA

Typ

–

+

1.25V

25µA

Typ

+

Output

GND Delay capacitor

Operating Waveform

M51957A, B

1.25V

t

H

td

td

L

td ≈ 0.34 × Cd(pF) µs

t

GND Delay capacitor

1.25V

H

L

M51958A, B

t

td

td

td ≈ 0.34 × Cd(pF) µs

t

REJ03D0778-0300 Rev.3.00 Sep 18, 2007

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