From: "Philip Pemberton" <philpem_at_dsl.pipex.com>
> What about using a GAL programmable logic chip?
> Use CUPL's "lookup table" feature, use the 8 (or was it 9?) inputs on a
> GAL16V8 as address inputs and use the outputs as data outputs. IIRC the
> propagation delay for a normal GAL is 15nS, but you can get them in speeds
> down to 7nS.
Isn't there a shortage of product terms? I thought there were only 8
product terms per output. Unless the data in the PROMs being replaced is
fairly regular, that doesn't seem enough to guarantee success.
Vince
Received on Sun Aug 01 2004 - 09:42:10 BST