[SI-LIST] Re: Bi directional Level Shifters
- From: Dudi Tash <dudi@xxxxxxxxxxxxxxxxx>
- To: "sunil_bharadwaz@xxxxxxxxx" <sunil_bharadwaz@xxxxxxxxx>, SI LIST <si-list@xxxxxxxxxxxxx>
- Date: Tue, 4 Sep 2012 14:58:51 +0300
Hi Sunil,
Since you have lots of IOs to shift their levels, I'd suggest you to use a
CPLD/FPGA. Provide a relevant supply voltage per bank.
Best Regards,
Dgtronix Ltd. I Founder & CEO I Dudi Tash
eFax: +972-3-7256490 I Mobile: +972-54-6345629 I Office: +972-9-9660967
www.dgtronix-tech.com
*This email contains confidential and proprietary information of Dgtronix Ltd.*
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of sunil bharadwaz
Sent: Tuesday, September 04, 2012 2:27 PM
To: SI LIST
Subject: [SI-LIST] Bi directional Level Shifters
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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