GD74HC390
【用 途】 十进制计数器 【性能 参数】双列16脚封装,双重4位十进制计数器,低功耗肖特基TTL扇出是10,是74HC90双电路的型号,其中预置9被省略。 【代换】74HC390 TC40H390P CD74HC390 CC74HC390 MC74HC390 MM74HC390 SN74HC390 HC390 TC74HC390P MSM74HC390 uPD74HC390 HD74HC390P MN74HC390 M74HC390 【GD74HC390 的】
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