[SI-LIST] Re: how to evaluate the maximum overhsoot/undershoot
- From: "Martin.J Thompson" <Martin.J.Thompson@xxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Mon, 22 Jul 2002 08:33:28 +0100
>Hi,si-list
>Normally ,we get the absolute maximum voltage from DATASHEET,
>however,the DC voltage range provided is often within -0.3v~vcc+0.5v,
>
>and there is no more specification for overshoot/undershoot.
>
>Asking for component Vendors,they often think the overshoot/undershoot
>should not beyond DC requirement ,that is -0.3v~vcc+0.5V
>
Micron's SDRAM datasheets quote a value of xV for < y ns. However, they =
don't include this info in their IBIS models, which would make error =
reporting better... at least this ws the case when I last used them 18 =
months ago.
<snip>
Cheers,
Martin
--=20
Martin Thompson BEng(Hons) CEng MIEE
TRW Conekt
Stratford Road, Solihull, B90 4GW. UK
Tel: +44 (0)121-627-3569 - martin.j.thompson@xxxxxxx
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