Analysis and Design of LVTSCR-based EOS/ESD Protection Circuits for Burn-in Environment
Bibliographic record
Abstract
As technology feature size is reduced, ESD becomes one of the dominant failure modes due to the lower gate oxide breakdown voltage. Also, the holding voltage of LVTSCR devices is reduced with operating temperature increase. As a result, during stress testing (burn-in), the risk of latch-up in LVTSCR is extremely high. In this paper, a new latch-up free LVTSCR-based protection circuit is proposed. It can be reliably used in sub-0.18 /spl mu/m CMOS technologies and burn-in environment. The proposed ESD circuit has higher holding voltage by 1.5/spl times/ than the conventional LVTSCR structure at burn-in temperature. Under 3 kV HBM ESD stress, the developed LVTSCR-based protection circuit has the voltage peak less than the conventional LVTSCR structure and GG-MOSFET by 2/spl times/ and 1.25/spl times/, respectively.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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 | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 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 source (direct Gemma or distilled Codex), 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".