ParameterComparisonValue Vcc range (V) equals not equal All 2.0 to 3.6 2.7 to 3.6 4.5 to 5.5 Input Level equals not equal All TTL TTL/CMOS Output Level equals not equal All CMOS TTL LVTTL Output Drive (mA) = < != >= > <= All -32/64 -24/24 -15/64 No. of Outputs = < != >= > <= All 8 16 Logic equals not equal All True Inv Static Current = < != >= > <= All 0.01 0.02 0.08 2.56 6.1 15.12 18.5 39.5 112.5 th (ns) = < != >= > <= All .5 1.3 1.5 1.8 2 3.5 4 tpd(max) (ns) = < != >= > <= All 4.6 4.7 5.1 6.2 8.5 9.6 11.6 tsu (ns) = < != >= > <= All .9 1.6 2.5 3.5 4.5