NTE74HCT04,置换半导体 HEX INVERTER/BUFFER
NTE74HCT08,置换半导体 QUAD 2-IN AND GATE
NTE74HCT138,置换半导体 3 TO 8 LINE DECODER
NTE74HCT14,置换半导体 HEX SCHMITI INVERTER
NTE74HCT240,置换半导体 OCTAL BUS BUFFER
NTE74HCT244,置换半导体 OCTAL BUS BUFFER
NTE74HCT273,置换半导体 OCTAL D FF W/CLEAR
NTE74HCT32,置换半导体 QUAD 2-INPUT OR GATE
