[SI-LIST] Re: Bi directional Level Shifters
- From: steve weir <weirsi@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Tue, 04 Sep 2012 05:33:49 -0700
There are many options in xx2245 parts. TI is still in that business.
Steve.
On 9/4/2012 4:26 AM, sunil bharadwaz wrote:
> Hi friends ,
> I'am designing a controller board which works at 1.8 V / 2.5 V.
> However , most of the interfaces connected to it like SDIO ,
> Pcie , PCI , memories & plenty of other stuff on the board operates
> at 3.3 V.
>
> I have about 200 or more signals where a level conversion is
> required from 1.8V to 3.3V & Vice Versa .I'am planning to use
>
> a bi-directional level shifter for this purpose with ideally zero delay.
> Else , with delay's as low as possible.
>
>
> Can anyone suggest. a good bidirectional level shifter ( 1.8V <--> 3.3V)
> with minimum pipe line delay's .Since i have large no of signals which
> require level conversion , it is preferable to use IC's with as many no of
> pin connections as possible ( Idea is to reduce the BOM count - not the
> price ).
>
> The key is bi directional & Auto sensing with lowest delay's possible.
>
>
> Thanks in Advance !!
>
> Regards
> Sunil.
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