AM26LS31: Datasheet confusing

1) As for 5.8 Typical Characteristics, as the following Figure5-1 and Figure 5-3; both the description of the figure are Output voltage vs Enable G Input Voltage；

but in fact, Vertical axis show the Y output voltage and Output voltage as the following Figure show;

I want to know the difference between between Vertical axis show the Y output voltage and Output voltage；（as the figure show, the Vertical axis voltage is different）

2) As the following Figure, the Vertical axis is High-Level Output Voltage, I want to know the Output Voltage of High-Level Output Voltage is which one of the question 1)?

That means the High-Level Output Voltage is High-Level Output Voltage or High-Level Y Output Voltage

3)  As the following Figure show;

       Figure 5-9 description is Y output voltage vs Data Input Voltage; Figure 5-14 description is Y output voltage vs Enable G Input Voltage;

       Could you please tell me what is Date Input Voltage and what is Enable G Input Voltage；

Taylor：

Hi,

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