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
NTE74HCT373,置换半导体 OCTAL D-TYPE LATCH
NTE74HCT573,置换半导体 OCTAL D-TYPE LATCH
NTE74HCT574,置换半导体 OCTAL D-TYPE F/F
