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SN74AVC2T245: Hspice model question

Part Number: SN74AVC2T245

Tool/software:

Hi TI,

About the SN74AVC2T245 Hspice model.

The VCC & data pin definition in the Hspice model was not found in the Datasheet(Fig.1).

Q1. How to connect VCC and data pin?

In my topology(Fig.2), the a1 and b2 pin are inputs, a2 and b1 pin are outputs, the voltage on side a is 1.8V, and the voltage on side b is 3.3V.

When I input the pulse to a1 and b2, the a2 and b1 should output a similar waveform with different voltage(Fig.3), but I cannot get that waveform at a2 and b1(Fig.4).

Q2. Is this because the VCC and data pin are not connected?

Q3. Does TI have the user guide document about this model?

By the way, I am using ADS for simulation.

Thank you.

Fig.1

Fig.2

Fig.3

Fig.4