NTE74LS193,置换半导体 SYNC BIN CNTR DIP-16
NTE74LS194,置换半导体 4BIT BIDIR REG DIP16
NTE74LS194A,置换半导体 4BIT BIDIR REG DIP16
NTE74LS195A,置换半导体 4BIT PARL REG DIP-16
NTE74LS196,置换半导体 DECD CNTR/LTCH DIP14
NTE74LS197,置换半导体 MOD-16 BIN CNTR/LTCH
NTE74LS20,置换半导体 DUAL 4-IN NAND DIP14
NTE74LS22,置换半导体 DUAL 4-IN NAND O/C
