TEXAS INSTRUMENTS CD54HC640, CD74HC640, CD54HCT640, CD74HCT640 High-Speed CMOS Logic Octal Three-State Bus Transceiver, Inverting 数据手册

CD54HC640和CD74HC640是硅栅CMOS三态双向反相和非反相缓冲器,用于数据总线之间的双向异步通信。它们具有高驱动电流输出,可在驱动大总线电容时实现高速操作。这些电路具有CMOS电路的低功耗,速度与低功耗肖特基TTL电路相当。它们可以驱动15 LSTTL负载。


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