74S__
!
74S00

Quad 2-Input NAND Gate

74S02

Quad 2-input NOR Gate

74S05

Hex Inverter

74S10

Triple 3-Input NAND Gate

74S30

8-Input NAND Gate

74S37

Quad 2-Input NAND Buffer

74S51

Dual 2-Input AND-OR-INVERT Gate

74S64

AND/OR/Invert Gate

74S85

4-Bit Magnitude Comparator

74S112

Dual J-K Negative Edge Triggered Flip-Flop