Delay and current estimation in a CMOS inverter with an RC load
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Bibliographic record
Abstract
A novel and efficient method is presented for computing the delay and supply current pulse in a CMOS inverter with an RC load. The method builds on existing techniques for computing these quantities in the presence of a capacitance load. As in the work of other authors, the concept of an effective capacitance C/sub eff/ is used. However, here it captures the inverter's behavior only while the charging/discharging transistor is in saturation and, therefore, behaves like a current source to a good approximation. This capacitance is determined by means of a simple iterative procedure that uses an empirical piecewise-linear approximation to the RC circuit's output voltage, which has a normal CMOS symmetrical form. Since a C/sub eff/ defined in the above way is independent of the inverter's parameters, such as transistor size, the coefficients of the approximation have to be determined for only one reference inverter. A simple analytical method yields the inverter's output voltage outside the saturation region. The complete model has been shown to be accurate for both 0.8-/spl mu/m 5-V and 0.24-/spl mu/m 2.5-V CMOS technologies. Its speed is comparable to that of the "capacitance load" techniques that it relies on.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it