PARAMETER -70 tCK Clock Cycle Time (min) 7 ns 40 ns 5.4 ns 56 ns 80 mA 100 mA 3 mA TC59SM816/M808/M804 -75 7.5 ns 45 ns 5.4 ns 65 ns 75 mA 95 mA 3 mA -80 8 ns 48 ns 6 ns 68 ns 70 mA 90 mA 3 mA tRAS Active to Precharge Command Period (min) tAC tRC Access Time from CLK (max) Ref/Active to Ref/Active .