HA16117F Ver la hoja de datos (PDF) - Renesas Electronics

Número de pieza

componentes Descripción

Lista de partido

HA16117F

CMOS Watchdog Timer

Renesas Electronics 

HA16117F Series

7. When P-RUN frequency fluctuates (2)

If there is a double-pulse in P-RUN, RES will not be output as long as the ratio of P-RUN

pulse interval minimum value to maximum value is 3 or less. The timing chart for a P-RUN

minimum interval of 8 ms and maximum interval of 22 ms is shown below.

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

8 ms

22 ms

Rev.3.00 Jun 15, 2005 page 14 of 30

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