你好,ti专家:
需要用TXS0104E实现3.3V到1.8V的双向传输,VCCA=1.8V,VCCB=3.3V,其中3.3V启动并稳定比1.8V晚,也就是当VCCA=1.8V处稳定时,VCCB可能还没有电压生成。
设计中打算用2个电阻对VCCB进行分压,当VCCB=3.3V时,分压的输出大于或等于1.8V*0.65,并将它连接到OE,这样实现VCCB稳定前TXS0104E一直为高阻状态。
请问这样的设计是否可以?
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