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SIMULATION / SA-MEM-PCM-001

PCM SET/RESET pulse and resistance-drift replay
PCM Drift

Replay SET/RESET pulse proxies, retention time, drift coefficient, and read margin so PCM is taught as a window-and-drift problem, not one ideal resistance ratio.

sectionExploresectionRun CardsectionExportsectionMethodssectionLimitssectionEvidence

EXPLORE

Start with the observable.

Use this page when the simulation is the primary artifact. The linked lesson explains the concept; the linked lab keeps the visual replay surface available.

guided exploration
  • Read PCM margin through fresh and aged resistance windows, not just a SET/RESET label.
  • Move retention time and temperature together because drift turns a fresh window into a future read problem.
  • Compare margin and risk side by side before using PCM in a memory-hierarchy note.

RUN CARD

Conditions before conclusions.

This page replays saved PCM Drift rows and does not run a live solver, upload workflow, proprietary model, process recipe, or signoff flow.

precomputed PCM drift sweep

Primary knobs

  • RESET energy proxy
  • SET pulse duration
  • Ambient temperature
  • Retention time
outputs

Saved outputs

  • SET resistance
  • aged RESET resistance
  • window ratio
  • read margin
  • retention risk

EXPORT

Download the public artifacts.

These exports are the supported public files for review. PDK files and restricted third-party material are not redistributed.

download

Dataset JSON

/data/pcm-set-reset-drift-read-margin-web-v1.json

Open file ->
download

Dataset CSV

/data/pcm-set-reset-drift-read-margin-v69.csv

Open file ->
download

v69 knowledge sprint summary CSV

/data/v69-knowledge-sim-sprint-summary.csv

Open file ->
download

v69 knowledge sprint model script

/data/v69_knowledge_sim_sprint.mjs

Open file ->
download

v69 knowledge sprint model card

/data/v69-knowledge-sim-sprint-model-card.md

Open file ->

METHODS

How the number was made.

Methods are written for citation discipline: the extraction rule matters as much as the plotted value.

method

A normalized amorphous-fraction proxy sets the RESET resistance and drift coefficient.

Keep this method attached when reusing the figure or metric.

method

A normalized crystalline-recovery proxy sets the SET resistance after the pulse.

Keep this method attached when reusing the figure or metric.

method

Read margin is computed from the aged resistance window with a spread penalty.

Keep this method attached when reusing the figure or metric.

LIMITS

What this page does not claim.

The MVP is useful because the limits are visible. These statements prevent a teaching simulation from being cited as silicon evidence.

non-claim

No PCM material stack, heater geometry, thermal PDE, array selector, or measured drift dataset is included.

Carry this boundary into any derivative note, paper draft, or slide.

non-claim

The drift coefficient and resistance values are teaching proxies, not calibrated device physics.

Carry this boundary into any derivative note, paper draft, or slide.

non-claim

Use this page for vocabulary and margin discipline, not memory-array design signoff.

Carry this boundary into any derivative note, paper draft, or slide.

EVIDENCE

Trace the claim back to artifacts.

The evidence route remains the catalog-level browser; this page is the simulation-level reading card.

evidence note

The public JSON stores every pulse, temperature, retention, resistance, margin, and risk row.

SA-MEM-PCM-001

evidence note

The CSV export supports paper-note tables without copying external PCM text or figures.

SA-MEM-PCM-001

evidence note

The simulation fills the PCM gap beside the existing MRAM, FeFET, NAND, and emerging-memory cards.

SA-MEM-PCM-001

Public execution boundary

No server-side live ngspice execution, uploads, accounts, payments, comments, newsletter signup, or job/event submissions are active on this page.