GS8640Z18/36T-xxxV 100-Pin TQFP Commercial Temp I.
GS8640Z36T-xxxV - 72Mb Pipelined and Flow Through Synchronous NBT SRAM
GS8640Z18/36T-xxxV 100-Pin TQFP Commercial Temp Industrial Temp 72Mb Pipelined and Flow Through Synchronous NBT SRAM 250 MHz–167 MHz 1.8 V or 2.5 V.