A Memristive Cell with Long Retention Time in 65 nm CMOS Technology
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Bibliographic record
Abstract
Abstract The memristor, which Leon Chua discovered in 1971 and Hewlett Packard fabricated for the first time in 2008, is still facing many design and fabrication challenges. Luckily, memristor emulators using mature Complementary Metal Oxide Semiconductor (CMOS) processes are good substitutes for memristors in several applications. The common setback for these emulators is their inability to retain their internal states for long periods of time. This article presents a memristive cell that not only has the memristor's characteristics but also can retain its resistance for up to 10 years. To bring forward such a cell, a charge trap in a 1 mm 2 chip is designed and fabricated using a standard 65 nm CMOS process. By characterizing the proposed trap prototype, its unexpected yet interesting behavior is revealed, such as charge tunneling that occurrs at voltages between 350 mV and 650 mV despite the process sensitivity. Next, based on the measurement results and using the VerilogAMS programming language, the charge trap to be combined with other circuits that constitute the proposed memristive cell is modeled. This model, which is partly based on previously reported models, matches the measured characteristics of the fabricated charge trap and can be easily integrated into circuit simulations.
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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 | 0.000 | 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 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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 it