From: "Ian Chapman" <[email protected]>
Subject: RE: CMOS Driver Chips.
Sounds like ye old latch up problem. That is the structure of the
cmos is that of an scr when Vcc, Vdd are exceeded. Once on the only way to
switch the scr off is to power down. yuk ESD Lightning keep it out.
Regards Ian.
> ----------
> From: [email protected][SMTP:[email protected]]
> Sent: Wednesday, September 02, 1998 10:36 AM
> To: [email protected]; [email protected]
> Subject: CMOS Driver Chips.
>
> A small request for information from the informed group.
>
> Does anyone have any experience, or information, of CMOS 1488 Line drivers
> suffering from a sensitivity
> to static or transients. Particularly when the failure mode results in an
> almost dead short
> between the + & - 12 volt supply rails.?
>
> I am sure I read an article describing how this effect occurs a few years
> ago and now, probably because
> I am old and grey, I cannot remember where!
>
> All information gratefully received.
>
>
