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TXS0108输出异常

Other Parts Discussed in Thread: TXB0108

使用TXS作为3.3V到5V的SPI转换。在350k频率下,输入正常,但断开芯片负载的输出管脚异常,如图所示。这种上升沿严重变形的案例我看其他人在本网站也出现了。

1.因为输出断开了,所以不存在负载不足的问题

2.CPU给TXS的输出为推挽,所以也不存在输入的问题

详细说明如附件

TXS0108调试-20170405.docx