[SI-LIST] Re: Reg: No of Decoupling capacitors
- From: steve weir <weirsi@xxxxxxxxxx>
- To: marimuthu_p@xxxxxxxxxxxx,"SI-List" <si-list@xxxxxxxxxxxxx>
- Date: Mon, 29 May 2006 23:48:32 -0700
Marinuthu, the capacitor voltage rating depends on the capacitor
chemistry and application. Many types of capacitors require voltage
derating. Refer to mfg data sheets for the parts you intend to use.
From the information you have supplied, it is impossible to tell how
many capacitors you should be using.
Steve.
At 11:00 PM 5/29/2006, Marimuthu P. wrote:
>Hi All,
> Can anyone tell about how to select the no of decoupling capacitors and its
>voltage value for a particular chip in the board?
>
>For example I am using one chip which has ten 3.3V power pins and twenty 5V
>pins. How many bulk and ceramic capacitors I have to put for decoupling and
>what should be the voltage value of those capacitors.
>
>Thanks and Regards
>Marimuthu P
>
>
>
>
>
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