型号：DM74LS169AM
厂商：NSC[National Semiconductor]
大小：165.95 Kbytes
页数：共8页
功能：Synchronous 4-Bit Up/Down Binary Counter
厂商：FAIRCHILD[Fairchild Semiconductor]
大小：72.52 Kbytes
厂商：TI1[Texas Instruments]
大小：415.9 Kbytes
页数：共10页
功能：SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS
