型号：DM74LS221M
厂商：FAIRCHILD[Fairchild Semiconductor]
大小：108.95 Kbytes
页数：共8页
功能：Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs
厂商：NSC[National Semiconductor]
大小：142.7 Kbytes
页数：共6页
