采用SN74LVC2G14DBV,该芯片供电电压采用3.3V,两个输入端(1A、2A)均接收外部5V电平信号输入(信号电平不是3.3V),请教一下,这么使用允许吗?
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采用SN74LVC2G14DBV,该芯片供电电压采用3.3V,两个输入端(1A、2A)均接收外部5V电平信号输入(信号电平不是3.3V),请教一下,这么使用允许吗?
您好
https://www.ti.com.cn/cn/lit/ds/symlink/sn74lvc2g14.pdf
根据datasheet显示理论上没有问题,但实际上建议您进行实际测试来验证您的问题。