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.

SN74HC540: 使用3.3V供电,输入能否接5V的TTL电平

Part Number: SN74HC540
Other Parts Discussed in Thread: SN74LV8151

SN74HC540PW,或者SN74LV8151PWR使用3.3V供电,输入能否接5V的TTL电平