[SI-LIST] Re: Multi Billion Dollar Company That Uses Only Multiplexers

  • From: steve weir <weirsi@xxxxxxxxxx>
  • To: si-list@xxxxxxxxxxxxx
  • Date: Fri, 19 Sep 2014 05:45:34 -0700

No, the Xilinx LUT is an SRAM based look-up table.  It is part of a 
configurable logic block that contains registers and multiplexors in 
addition to LUTs.
The Actel logic block is based on a 4 input mux.  If Amr Moshen were not 
cooling his heels in federal prison, he could explain his architecture.

Steve.
On 9/19/2014 5:30 AM, Chauhan, Rajat wrote:
> Yes, Xilinx LUT is programmable registers followed by MUX (or layer of MUXs)
>
> -----Original Message-----
> From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On 
> Behalf Of Hal Murray
> Sent: Friday, September 19, 2014 1:01 PM
> To: si-list@xxxxxxxxxxxxx
> Cc: Hal Murray
> Subject: [SI-LIST] Re: Multi Billion Dollar Company That Uses Only 
> Multiplexers
>
>> No, Xilinx is based on LUT's.
> One way to build a LUT is with a pyramid of muxes, one layer for each address 
> bit.
>
>
>
>


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