Bibliographic record
Abstract
In this brief, we investigate and propose solutions for integrating the clock and power distribution networks all the way to circuit level. The aim is to reduce metal requirements, routing complexity, and power. The concept of an integrated power and clock distribution network (IPCDN) is proposed in order to eliminate the need for the global and local clock distribution networks. In IPCDN, a differential power-clock signal (P <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">wr</sub> _C <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">lk</sub> ) with a suitable dc voltage level and sinusoidal voltage-swing feeds the VDD ports in combinational and sequential elements. A clock buffer is used for sequential elements in order to extract a full-swing clock from the differential P <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">wr</sub> _C <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">lk</sub> + and P <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">wr</sub> _C <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">lk</sub> - signals. IPCDN does not require any change to be made to the conventional combinational and sequential circuit design. The proposed elements of IPCDN, including the LC differential P <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">wr</sub> _C <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">lk</sub> driver and the clock buffer, have been simulated using Taiwan Semiconductor Manufacturing Company 65-nm CMOS technology with a P <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">wr</sub> _C <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">lk</sub> signal, a 1-V dc component, and 400-mV sinusoidal swing at a frequency of 5 GHz. In addition, the behavior of a master-slave flip-flop with IPCDN was investigated at extreme corners. Simulation results demonstrate correct functionality of all elements of the IPCDN. Comparing IPCDN to a buffered square-wave clock distribution network illustrates that, with a heavily loaded network, IPCDN achieves around 20% reduction in power. This percentage increases when the network capacitance is dominating.
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How this classification was reachedexpand
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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".