wei_vsource_02

Figure 2: Stage delay of a 5-stage ring oscillator with different charge models.  QB model predicts only a 5% and 3% less delay than Vsat and NVsat models, respectively.

Figure 2: Stage delay of a 5-stage ring oscillator with different charge models. QB model predicts only a 5% and 3% less delay than Vsat and NVsat models, respectively.