DRAM Flash Asynchronous SRAM Synchronous SRAM QUAD(P) DDR-II(P) Density Data Width Product Type Burst Length Read Latency Temperature Grade(Details) 18Mb 36Mb 72Mb x18 x36 QUAD QUADP 2 4 1.5 Clock Cycles 2.0 Clock Cycles 2.5 Clock Cycles 0 to 70°C (Commercial) - 40 to 85°C (Industrial)