On Mon, 23 Feb 2009, Glen Slick wrote:
  On Mon, Feb 23, 2009 at 6:03 PM, Steven Hirsch
<snhirsch at gmail.com> wrote:
  Does anyone have a pet source for:
 DM74S287
 DM74S571
 
 Here's one alternative source...
 
http://www.unicornelectronics.com/IC/74S.html
 74S287 DIP 16 256 x 4 Bipolar PROM (Tri-State Output) 9.99
 74S571 DIP 16 512 x 4 PROM (Tri-State Output) 6.99 
<sigh..>  I used the "search" feature on Unicorn's site and it turned
up
nothing.  Go figure.  Thanks for the tip!
--