SN74AHCT245和SN74HCT245的区别是什么?我原来用的SN74AHCT245,现在可以直接换成SN74HCT245?
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
SN74AHCT245和SN74HCT245的区别是什么?我原来用的SN74AHCT245,现在可以直接换成SN74HCT245?
1)能够支持的信号最大频率
2)静态电流大小,测试条件为VI = VCC or GND, IO = 0
3)传输延迟的大小,指的是输出与输出之间的传输延迟。 可以参考datasheet中的输入输出波形,tPHL,tPLH参数。