A 4.9 ns, 3.3 volt, 512 macrocell, CMOS PLD with hot socket protection and fast in system programming. - Brad Vest; Gwen Liang; Mark Chan; Eric Chun; Mark Fiester; Weiying Ding; Edmond Lau; Guu Lin; Behzad Nouban; Dirk Reese; Mian Smith; Nghia Tran; et al. (CICC, 1999)