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SN65LVDS32: 为什么器件VOL输出电平超过指标VOLMAX=0.4V?

Part Number: SN65LVDS32


1、器件工作在50Mbps情况下,差分输入端VID约等于180mV左右。

2、供电电压VCC=3.3V,滤波电容10uF+0.1uF+0.001uF。

3、芯片LVTTL端,没有负载,已经把后面负载断开。

现在的现象是:接收端输出的LVTTL输出电压最低电平VOL为1.0V左右。