型号：DM54LS169A
厂商：NSC[National Semiconductor (TI)]
大小：165.95 Kbytes
页数：共8页
功能：Synchronous 4-Bit Up/Down Binary Counter
厂商：TI1[Texas Instruments]
大小：415.9 Kbytes
页数：共10页
功能：SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS
型号：DM54LS169AJ
厂商：NSC[National Semiconductor]
型号：DM54LS169AW
