who can shall some experience of Power on reset?

[godsun]

i know that most power on reset circuit is RC+Schmitt-trigger

but assume RC delay is 1s, Vcc stable is 10s, but one glitch happened and it is 100ms
then it is not long enough for RC discharge ,which will result in reset not active and meta state of system .

how to avoid it? only choice RC according to system?

 

[dfullmer]

Hello

The chance of using a simple supervisory chip is not possible?


regards

dfullmer

 

[DenisMark]

Look for US patents:
US5302861.pdf
US5477176.pdf
US5602502.pdf
US5821787.pdf
US5898327.pdf
US6107847.pdf
US6314040.pdf
US6335646.pdf
US6882193.pdf
US6911852.pdf
US6943596.pdf
US6970026.pdf
US6998884.pdf
on the **broken link removed** of uspto.gov
I hope there u'll find some appropriate solutions.

 

[ezra]

You can using 3-pin microprocessor reset circuits, MAX809.

 

[pit1000]

MAXIM app. note 3227 Power-On Reset and Related Supervisory Functions

h**p://www.maxim-ic.com/appnotes.cfm/an_pk/3227

 

[satyasiva]

YOU CAN IMPLENT IN OTHER WAYS ALSO