NTE74LS157,置换半导体 QUAD SELECT/MLTIPLXR
NTE74LS158,置换半导体 DATA SELC/MLT DIP-16
NTE74LS162A,置换半导体 4-BIT BIN CNTR SYNC
NTE74LS163A,置换半导体 BIN CNTR W/SYNC CLR
NTE74LS164,置换半导体 8-BIT SHFT REG DIP16
NTE74LS165,置换半导体 8-BIT PAR-SER CNVRTR
NTE74LS166,置换半导体 8-BIT PAR-SER RGISTR
NTE74LS168A,置换半导体 BCD UP/DWN CNTR DP16