256K x 18, 128k x 32, 128k x 36 4Mb sync Burst SRAMs 256K x 18 CACHE SRAM, 8.5 ns, PBGA119 256K x 18, 128k x 32, 128k x 36 4Mb sync Burst SRAMs 128k x 36 CACHE SRAM, 8.5 ns, PBGA119 4Mb56K x 18Bit) synchronous Burst SRAM(4M位(256K x 18位)同步静态RAM(带2位脉冲地址计数器))