Pith Number

pith:IXEGXFT2

pith:2026:IXEGXFT2MMBUFGITCRKTMU723Y

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DTCO of NOR-Type IGZO FeFETs for 3D Heterogeneous AI Memories: A Read-Centric Perspective

Arvind Sharma, Attilio Belmonte, Dwaipayan Biswas, Fernando Garc\'ia-Redondo, Gouri Sankar Kar, Jan Van Houdt, Maarten Rosmeulen, Nicol\`o Ronchi, Subhali Subhechha, Yang Xiang, Zhuo Chen

NOR-type IGZO FeFETs achieve 0.016 square micrometer SRAM-equivalent bitcells and sub-5 nanosecond random access for read-centric AI memories.

arxiv:2604.13624 v2 · 2026-04-15 · cs.ET

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Claims

C1strongest claim

We demonstrate the cross-node bitcell footprint scalability of back-end-of-line (BEOL) IGZO FeFETs capable of delivering 10-A SRAM-equivalent area (0.016 um2) with 7-nm ground rules and reaching sub-5 ns random access latency despite writability challenges.

C2weakest assumption

The DTCO models and array simulations accurately capture physical sneak currents, sensing margins, and ferroelectric behavior without post-hoc parameter tuning or unstated material assumptions; this is not verifiable from the abstract alone.

C3one line summary

NOR IGZO FeFET bitcells scale to 0.016 um2 SRAM-like area and sub-5 ns read latency but incur sensing margin loss from sneak currents unless positive-Vt engineering is applied.

Receipt and verification

First computed	2026-06-01T01:03:53.163882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45c86b967a630342991314553653fade3c7eeb299b8ce23945da414f21127a8f

Aliases

arxiv: 2604.13624 · arxiv_version: 2604.13624v2 · doi: 10.48550/arxiv.2604.13624 · pith_short_12: IXEGXFT2MMBU · pith_short_16: IXEGXFT2MMBUFGIT · pith_short_8: IXEGXFT2

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IXEGXFT2MMBUFGITCRKTMU723Y \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 45c86b967a630342991314553653fade3c7eeb299b8ce23945da414f21127a8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6f653613c1ba80df8c46b9241d2852d4ab692e3b940910fdc43b3dbdc66e98b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2026-04-15T08:47:07Z",
    "title_canon_sha256": "4dfe997b97ee67e261c1c013ab9d32e4bd2dc525fb515883aa10b17bff111009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.13624",
    "kind": "arxiv",
    "version": 2
  }
}