Collection/National Semiconductor/National DM5400

ZeptoBars ·CC BY 3.0· Die photograph · Original retained in the acquisition archive. Display resized to at most 1920 pixels; responsive AVIF/WebP encodings. No crop, recoloring, annotations, or generated detail.

Origin & contributions

Original source · Retrieved 2026-09-06

ZeptoBars (publishing archive and CC BY licensor; individual photographer uncredited) · archive · Included in this image

Credit the photograph title and ZeptoBars; link to the original source page and CC BY 3.0; indicate modifications. No endorsement is implied.

SPECIMEN / DATE NOT RECORDED

National DM5400

A quad two-input NAND-gate die.

National SemiconductorTTL logic

Research connections

CompanyNational Semiconductor ↗SeriesTTL logic ↗

Specifications

2 SOURCE-LINKED FIELDS

Photographed specimen	Published analysisZeptoBars Scope: physical-specimen
Photographic scope	Published analysisZeptoBars Scope: physical-specimen

THE VISUAL EVIDENCE

Visual sources

1 DOCUMENTED SOURCES

Hosted image provenance · 1

Die photographHosted in Museum

National DM5400 — Die photograph

Zeptobars · ZeptoBars

4,499 × 4,824 pxTechnical archive / analysis

Exact article caption identifies National Semiconductor DM5400 quad NAND gates.

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Rights, provenance & link history

Rights status: CC LICENSED
Licence: CC BY 3.0 ↗
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Attribution: National DM5400 — ZeptoBars / CC BY 3.0
Identity / confidence: matched / high
Evidence reviewed: 2026-09-06
Link checked: Not yet checked · unchecked

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Record identity & scope

specimen · National DM5400

What this photograph shows

Exact article caption identifies National Semiconductor DM5400 quad NAND gates.