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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Quader, K.N. Peng Fang Yue, J.T. Ko, P.K. Chenming Hu |
| Copyright Year | 1963 |
| Abstract | Long term ring-oscillator hot-carrier degradation data and simulation results are compared to demonstrate that a circuit reliability simulator BERT can predict CMOS digital circuit speed degradation from transistor DC stress data. Initial fast degradation is noted and attributed to the "zero crossing" effect caused by PMOSFET current enhancement. Saturation drain current, measured at V/sub gs/=V/sub ds/=Vdd/2, is a better monitor for CMOS circuit hot-carrier reliability. We present generalized hot-carrier-reliability design rules, lifetime and speed factors, that translate DC device lifetime to CMOS digital circuit lifetime. The design rules can roughly predict CMOS circuit degradation during the initial design and can aid reliability engineers to quickly estimate the overall product hot-carrier reliability. The NMOSFET and PMOSFET lifetime factors are found to obey 4/ft/sub rise/ and 10/ft/sub fall/, respectively. Typically, the NMOSFET and PMOSFET speed degradation factors are 1/4 and 1/2, respectively, with saturation region drain current as the monitor while, for a 100 MHz operating frequency and for an input rise time of 0.35 ns, the NMOSFET and PMOSFET lifetime factors are 120 and 300, respectively.< |
| Sponsorship | IEEE Electron Devices Society |
| Starting Page | 681 |
| Ending Page | 691 |
| Page Count | 11 |
| File Size | 1070462 |
| File Format | |
| ISSN | 00189383 |
| Volume Number | 41 |
| Issue Number | 5 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1994-05-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Hot carriers MOSFET circuits Degradation Predictive models Circuit simulation CMOS digital integrated circuits Digital circuits Monitoring Bit error rate Stress |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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