[coreboot] Flash_Voltage_question
Joseph Smith
joe at settoplinux.org
Thu Jul 23 04:50:10 CEST 2009
On Thu, 23 Jul 2009 04:30:37 +0200, Peter Stuge <peter at stuge.se> wrote:
> Oliver Niesner wrote:
>> I have an 5V parallel programmer.
>
> Which programmer?
>
>
>> The simple question is:
>>
>> Does anybody in this list has some experience with programming an
>> 3.3V Flash with 5V?
>
> That does not work.
>
>
>> Does this destroy the chip,
>
> Yes.
>
>
>> or are there good chances that the flash survives the higher
>> Voltage?
>
> Nope.
>
>
I have to agree with Peter. 3.3v flash chips usually only have a +-.5v
tolerance. Could you add a voltage regulator in between the programmer and
chip?
--
Thanks,
Joseph Smith
Set-Top-Linux
www.settoplinux.org
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