HA16117FA 查看數據表（PDF） - Hitachi -> Renesas Electronics

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产品描述 (功能)

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HA16117FA

CMOS Watchdog Timer

Hitachi -> Renesas Electronics 

HA16117F Series

1. When P-RUN signal is not input

The watchdog filter circuit output (WD) is fixed low, so the RES signal is output as shown in

the figure below in accordance with power-on and auto-reset circuit CR charge/discharge.

H

P-RUN

L

H

Q

L

H

Q

L

H

A

L

5V

3.6 V

CF

0.9 V

0V

H

WD

L

5V

3.2 V

CR

1.6 V

0V

H

B

L

H

C

L

H

RES

L

20 ms

60 ms

8

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