型号：HD74LS191
厂商：HITACHI[Hitachi Semiconductor]
大小：98.42 Kbytes
页数：共7页
功能：Synchronous Up/Down 4-bit Binary Counters(single clock line)
大小：6854.82 Kbytes
页数：共274页
功能：Ouadruple 2-input Positive NAND Gates
厂商：RENESAS[Renesas Technology Corp]
大小：92.82 Kbytes
页数：共11页
功能：Synchronous Up / Down 4-bit Binary Counter (single clock line)
型号：HD74LS191FPEL
型号：HD74LS191P
