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发表于 2021-10-1 22:58:55
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https://en.wikipedia.org/wiki/Level_shifter
A level shifter (level translator), in digital electronics, also called logic-level shifter or voltage level translation, is a circuit used to translate signals from one logic level or voltage domain to another, allowing compatibility between ICs with different voltage requirements, such as TTL and CMOS
Modern systems use level shifters to bridge domains between processors, logic, sensors, and other circuits. In recent years
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