国产精品久久久久无码av色戒,大帝av在线一区二区三区,国产肥熟女视频一区二区三区,大陆少妇xxxx做受,被黑人猛躁10次高潮视频

HC648 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE, INV. HC646 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE

DESCRIPTION The M74HC646/648 are high speed CMOS OCTAL BUS TRANSCEIVERS AND REGISTERS, (3- STATE) fabricated in silicon gate C2MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low power consumption. ■ HIGH SPEED fMAX = 73 MHz (TYP.) AT VCC = 5 V ■