【Fairchild Semiconductor】DM74LS273SJX,触发器 8-Bit Register
【Fairchild Semiconductor】DM74LS273WM,触发器 8-Bit Register
【Fairchild Semiconductor】DM74LS273WMX,触发器 8-Bit Register
【Fairchild Semiconductor】DM74LS279M,闭锁 Quad S-R Latch
【Fairchild Semiconductor】DM74LS279MX,闭锁 Quad S-R Latch
【Fairchild Semiconductor】DM74LS279N,闭锁 Quad S-R Latch
【Fairchild Semiconductor】DM74LS27M,门（与/非与/或/非或） Trp 3-Input NOR Gate
【Fairchild Semiconductor】DM74LS27MX,门（与/非与/或/非或） Trp 3-Input NOR Gate
