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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Harish, B.P. Patil, M.B. Bhat, N. |
| Copyright Year | 2005 |
| Description | Author affiliation: Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore-560012, India. email: harish@ece.iisc.ernet.in (Harish, B.P.) |
| Abstract | A novel methodology for modeling the effects of process variations on circuit delay performance is proposed by relating the variations in process parameters to variations in delay metric of a complex digital circuit. The delay of a 2-input NAND gate with 65nm gate length transistors is extensively characterized by mixed-mode simulations which is then used as a library element. The variation in saturation current Iat the device level, and the variation in rising/falling edge stage delay for the NAND gate at the circuit level, are taken as performance metrics. A 4-bit x 4-bit Wallace tree multiplier circuit is used as a representative combinational circuit to demonstrate the proposed methodology. The variation in the multiplier delay is characterized, to obtain delay distributions, by an extensive Monte Carlo analysis. An analytical model based on CV/I metric is proposed, to extend this methodology for a generic technology library with a variety of library elements. |
| Starting Page | 761 |
| Ending Page | 764 |
| File Size | 1420280 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780393392 |
| DOI | 10.1109/EDSSC.2005.1635388 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-12-19 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Delay effects Circuit simulation Analytical models Computational modeling Software libraries Implants Digital circuits Monte Carlo methods Fluctuations Integrated circuit technology analytical modeling process variations mixed-mode simulations Monte Carlo analysis delay distribution |
| Content Type | Text |
| Resource Type | Article |
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