目前项目上使用SN74CBTLV3257做SPI信号的开关切换,芯片的VCC供电使用了1.8V供电,SPI信号也是1.8V电平的,但看规格书VCC最低供电时2.3V,我们项目已经试产了100多套,没发现问题,请问这样接是否有隐患,谢谢。
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目前项目上使用SN74CBTLV3257做SPI信号的开关切换,芯片的VCC供电使用了1.8V供电,SPI信号也是1.8V电平的,但看规格书VCC最低供电时2.3V,我们项目已经试产了100多套,没发现问题,请问这样接是否有隐患,谢谢。