型号：74LS193
厂商：MOTOROLA[Motorola, Inc]
大小：276.15 Kbytes
页数：共9页
功能：PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
厂商：FAIRCHILD[Fairchild Semiconductor]
大小：74.02 Kbytes
页数：共7页
功能：Synchronous 4-Bit Binary Counter with Dual Clock
厂商：HITACHI[Hitachi Semiconductor]
大小：104.88 Kbytes
功能：Synchronous Up/Down 4-bit Binary Counters(dual clock lines)
