7447 TTL BCD—7段高有效译码、驱动器
The DM7446A and DM7447A feature active-LOW outputsdesigned for driving common-anode LEDs or i
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The DM7446A and DM7447A feature active-LOW outputsdesigned for driving common-anode LEDs or i
These BCD-to-decimal decoders/drivers consist of eightinverters and ten, four-input NAND gate
These data selectors/multiplexers contain full on-chipdecoding to select the desired data sou
This device contains four independent set-reset type flipflopswith one Q output each.
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1、TTL电路TTL电路以双极型晶体管为开关元件,所以又称双极型集成电路。双极型数字集成电路是利用电子和空穴两种不同极性的载流子进行电传导的器件。它具有速度高(开关速度快)、驱动能力强等优点,但其功耗较大,集成度相对较低。根据应用领域的不同...
This device contains four independent gates each of whichperforms the logic AND function. The