型号：DM74AS169AM
厂商：FAIRCHILD[Fairchild Semiconductor]
大小：61.86 Kbytes
页数：共6页
功能：Synchronous 4-Bit Binary Up/Down Counter
型号：DM74AS169AMX
厂商：ON Semiconductor
大小：67.96 Kbytes
页数：共7页
功能：IC COUNTER 4BIT SYNC BIN 16SOIC
