72-Mbit (2M x 36/4M x 18/1M x 72) Pipelined Sync sram 1M X 72 CACHE sram, 3 ns, PBGA209 72-Mbit (2M x 36/4M x 18/1M x 72) Pipelined Sync sram 4M X 18 CACHE sram, 3 ns, PQFP100 72-Mbit (2M x 36/4M x 18/1M x 72) Pipelined Sync sram 2M X 36 CACHE sram, 3 ns, PBGA165