All of the asynchronous-circuits-on-Xilinx work I've found to date has involved either the XC6200 or jbits (Virtex-2-nonpro and earlier only).
Is anybody aware of any self-timed/async work using Spartan-3 or Virtex-IIPro/4/5?
- a
PGP/GPG: 5C9F F366 C9CF 2145 E770 B1B8 EFB1 462D A146 C380