NTE74LS114,置换半导体 LOW PWR SCHOTTKY F/F
NTE74LS12,置换半导体 TRIP 3-IN POS NAND
NTE74LS122,置换半导体 MNSTBL MLTIVB DIP-14
NTE74LS123,置换半导体 DIP-16 MONO MULTIVIB
NTE74LS124,置换半导体 DIP-16 DUAL VLTG OSC
NTE74LS125A,置换半导体 QUAD BUS BUF DIP-14
NTE74LS126A,置换半导体 QUAD BUS BUF DIP-14
NTE74LS13,