{
  "slug": "read-pass-voltage",
  "term": "Read-pass voltage",
  "aliases": [
    "pass-through voltage",
    "Vpass"
  ],
  "definition": "Read-pass voltage is the bias applied to unselected NAND wordlines to make their cells conduct while another wordline is sensed.",
  "note": "It differs from the sensing reference on the selected wordline. Lowering it trades reduced disturbance against possible conduction errors. [cai]",
  "status": "shipping",
  "advantages": [],
  "limitations": [
    "Not a generic host-side SSD tuning control."
  ],
  "related": [
    "nand-wordline",
    "read-disturb",
    "read-retry",
    "read-reclaim",
    "read-reference-voltage"
  ],
  "supersedes": [],
  "supersededBy": [],
  "firstSeen": null,
  "lastSeen": null,
  "updated": "2026-10-14",
  "citations": [
    {
      "id": "cai",
      "title": "Cai et al. Read Disturb Errors in MLC NAND Flash Memory: Characterization, Mitigation, and Recovery. DSN 2015, sections 2.1 and 3.6-3.7. DOI 10.1109/DSN.2015.49.",
      "url": "https://people.inf.ethz.ch/~omutlu/pub/flash-read-disturb-errors_dsn15.pdf",
      "accessed": "2026-10-14"
    }
  ]
}