ParameterComparisonValue Vcc range (V) equals not equal All 2.3 to 3.6 4.5 to 5.5 4.75 to 5.25 Input Level equals not equal All TTL LVTTL Output Level equals not equal All CMOS TTL LVTTL Output Drive (mA) = < != >= > <= All -32/64 -24/24 -24/48 -15/64 No. of Outputs = < != >= > <= All 8 16 18 Logic equals not equal All True Inv Static Current = < != >= > <= All 0.04 0.08 18.5 19 19.12 20.12 21 80 100 137.5 tpd(max) (ns) = < != >= > <= All 4.3 4.4 4.6 5.3 8 10 10.7