piclist 2002\12\14\073553a >
Thread: Static sensitive reset?
picon face BY : Spehro Pefhany email (remove spam text)

At 02:00 AM 12/14/02 -0500, you wrote:
>Atmel recommends a brownout circuit for 4414 and 8515's I think they
>corrupt the eeprom without it.
>Can it be made less sensitive?
>Attached is a small schematic of it.
>Any other thoughts on static induced resets? It does not take much to do it!

Suggest you use a proper reset circuit such as Microchip's MCP809/810
(or the TO-92 versions). Similar parts are available from Seiko, Motorola,
and many others. You can make your circuit less sensitive by paralleling
R1/R2 with similar ratio capacitors, but it's still going to be a crummy
temperature-sensitive circuit without timer or hysteresis. Unless you
are building very high volume goods, it just ain't worth it.

Bset regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
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In reply to: <20021214070058.TEDS23192.tomts11-srv.bellnexxia.net@piii-8 66>
See also: www.piclist.com/techref/index.htm?key=static+sensitive
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