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.

SN74LVC07A: 加了一个三极管后没输出

Part Number: SN74LVC07A

请帮忙看下,加这个电路后没输出,是哪里有问题吗?