NTE74S138,置换半导体 3 TO 8 LINE DECODER
NTE74S140,置换半导体 DUAL 4-IN NAND GATE
NTE74S15,置换半导体 TRIPLE 3-IN AND GATE
NTE74S157,置换半导体 QUAD 2TO1 LN MULTPLX
NTE74S175,置换半导体 QUAD D-TYPE FF W/CLR
NTE74S181,置换半导体 4-BIT ARITH LOGIC
NTE74S182,置换半导体 LOOK-AHD GEN DIP-16
NTE74S20,置换半导体 DUAL 4-IN NAND GATE
