型号:HD74LS221
厂商:HITACHI[Hitachi Semiconductor]
大小:89.58 Kbytes
页数:共7页
功能:Dual Monostable Multivibrators
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:104.9 Kbytes
页数:共9页
型号:HD74LS221P
型号:HD74LS221RPEL