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六路施密特触发反向器These Schmitt-trigger devices contain six independent inverters. They perform the Boolean function Y = A. Because of the Schmitt action, they have different input threshold levels for positive-going (VT+) and for negative-going (VT–) signals.
四路 2 输入正与非门The SN54AC00 device contains four independent 2-input NAND gates. Each gate performs the Boolean function of Y = A • B or Y = A + B in positive logic.
SN74AVCB164245-EP 16 位双电源总线收发器这个 16 位(双八进制)非反相总线收发器使用两个独立的可配置电源轨。
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