IN1232(2011) Ver la hoja de datos (PDF) - IK Semicon Co., Ltd

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IN1232
(Rev.:2011)

POWER SUPPLY CONTROL WITH BUILT-IN WATCHDOG TIMER

IK Semicon Co., Ltd 

I N1232

______

PBRST

tPB

tPDLY

VIH

VIL

tRST

____

RST

RST

tPB≥20 ms

tPDLY≤20 ms

250 ms≤tRST≤1000 ms

Fig. 2 – Timing diagram of forming reset signal from external PBRST control button

Invalid strob

___

ST

t ST

Valid strob

Indeterminate strob

t TD1 - t TD3

MIN

MAX

RST

tST ≥20 нс

62.5 ms≤ tTD1 ≤250 ms 250 ms≤ tTD2 ≤1000 ms 500 ms≤ tTD3 ≤2000 ms

Fig. 3 – Timing diagram : Strobe input

2011, February, Rev. 01

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