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SN74AUC74: ADS IBIS simulation

Part Number: SN74AUC74

I‘d like to use SN74AUC74  (D Flip-flop) to simulate the quality of the clock from D-pin input  to Q/Q- pin output. The figure shows the IBIS model of  D pin(IBIS_I)  and Q pin(IBIS_O) respectively. How to connect the models correctly to simulate wavefrom ? Thanks. 

  

I try to connect the clock source to Q-pin(IBIS_O) model directly and simulate a waveform. BUT how to describe the topology of the clock source input from D-PIN and output from Q-PIN. THANKS !