【Fairchild Semiconductor】DM74S40N,门（与/非与/或/非或） Dl 4-Input NAND Buff
【Fairchild Semiconductor】DM74S51N,IC GATE AND/OR/INVERT DUAL 14DIP
DM74S572N,4K (1024X4) PROM OC
【Fairchild Semiconductor】DM74S64N,IC 4-2-3-2INPUT AND-OR INV 14DIP
【Fairchild Semiconductor】DM74S74M,触发器 Dl D-Type Flip-Flop
【Fairchild Semiconductor】DM74S74MX,触发器 Dl D-Type Flip-Flop
【Fairchild Semiconductor】DM74S74N,触发器 Dl D-Type Flip-Flop
【Fairchild Semiconductor】DM74S86N,门（与/非与/或/非或） Qd 2-Input OR Gate
