Design of a Nonvolatile 7T1R SRAM Cell for Instant-on Operation
Why this work is in the frame
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Bibliographic record
Abstract
Energy consumption is a major concern in nanoscale CMOS ICs; the power-Off operational mode and low-voltage circuits have been proposed to alleviate energy dissipation. Static random access memories (SRAMs) are widely used in today's chips; nonvolatile SRAMs (NVSRAMs) have been proposed to preserve data, while providing fast power- On/Off speeds. Nonvolatile operation is usually accomplished by the use of a resistive RAM circuit (hence referred to as RRAM); the utilization of a RRAM with an SRAMs not only enables chips to achieve low energy consumption for nonvolatile operation, but it also permits to restore data when a restore on power-up is performed (this operation is also commonly referred to as “Instant-on”). This paper presents a novel NVSRAM circuit for “Instant-on” operation and evaluates its performance at nanometric feature sizes. The proposed memory cell consists of a SRAM core (in this case, a 6T cell) and an oxide resistive RRAM circuit (1T1R), thus making a 7T1R scheme. The proposed cell offers better nonvolatile performance (in terms of operations such as “Store,” “Power-down,” and “Restore”) when compared with existing nonvolatile cells. The scenario of multiple-context configuration is also analyzed. Figures of merit such as energy, operational delay, and area are also substantially improved, making the proposed design a better scheme for “Instant-on” operation.
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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 | 0.000 |
| 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