RE: [SI-LIST] : Standard tolerance for 1.8V supplies

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From: Suman Mamidi (suman@ambernetworks.com)
Date: Mon Apr 30 2001 - 02:14:30 PDT


Hi All,
        I had always thought +/- 5% was standard, which I guess is not.
In such a case, what should be the tolerances on 5V,2.5V and 3.3V
supply voltages.
regards,
Suman

----------------------------------------------------------------------------
----------------
Suman Mamidi,
Systems & VLSI Engineer,
Amber Networks Inc.

-----Original Message-----
From: D. C. Sessions [mailto:si-list@lumbercartel.com]
Sent: Tuesday, April 24, 2001 11:33 PM
To: si-list@silab.eng.sun.com
Subject: Re: [SI-LIST] : Standard tolerance for 1.8V supplies

On Monday 23 April 2001 10:19, Khalid Ansari wrote:
> Hi all,
>
> What is the standard practice in the industry for tolerance on 1.8V
> supply voltages. Does + 5% work or does it need to be pushed
> out further. I need this information in regards to some testing that
> I am currently doing.

The official range is 1.65 to 1.95 volts.
(The rounding on 5% is getting silly.)

-- 
| The race is not always to the swift, nor the battle to the strong. |
| Because the slow, feeble old codgers like me cheat.                |
+--------------- D. C. Sessions <dcs@lumbercartel.com> --------------+

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