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Record W1994439638 · doi:10.1109/tvlsi.2012.2219630

Integrated Power and Clock Distribution Network

2012· article· en· W1994439638 on OpenAlexaff
S. E. Esmaeili, Asim J. Al-Kahlili

Bibliographic record

VenueIEEE Transactions on Very Large Scale Integration (VLSI) Systems · 2012
Typearticle
Languageen
FieldEngineering
TopicLow-power high-performance VLSI design
Canadian institutionsConcordia University
Fundersnot available
KeywordsComputer sciencePower (physics)SwingAlgorithmEngineeringPhysics

Abstract

fetched live from OpenAlex

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.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.827
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0000.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.007
GPT teacher head0.199
Teacher spread0.191 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designSimulation or modeling
Domainnot available
GenreEmpirical

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".

Quick stats

Citations8
Published2012
Admission routes1
Has abstractyes

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