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컬렉션/Texas Instruments/Source-listed TI 54LS139A specimen; die marked LS155A
Source-listed TI 54LS139A specimen; die marked LS155A사진 자세히 보기
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.

Texas InstrumentsTTL logic
SPECIMEN / DATE NOT RECORDED

Source-listed TI 54LS139A specimen; die marked LS155A

A photographed logic specimen listed as TI 54LS139A by the archive. The visible die bears an LS155A marking, so the exact relationship between the part label and silicon marking remains unresolved.

Texas InstrumentsTTL logic

관련 기술 탐색

기업Texas Instruments ↗제품군TTL logic ↗

사양

2 SOURCE-LINKED FIELDS
Photographed specimen
Published analysisZeptoBars

Scope: physical-specimen

Photographic scope
Published analysisZeptoBars

Scope: physical-specimen

THE VISUAL EVIDENCE

시각 자료

1 개의 확인된 출처
게시 이미지 출처 · 1
Die photographMuseum 게시

Source-listed TI 54LS139A specimen; die marked LS155A — Die photograph

Zeptobars · ZeptoBars

4,230 × 3,583 px기술 아카이브 · 분석

The archive lists TI 54LS139A and links this HD photograph. Museum visual review observes LS155A on the die. This discrepancy is retained; no exact function or shared-die SKU match is inferred.

링크 검사 전

원본 다이 사진 보기
권리 · 출처 · 링크 이력
Rights status
CC LICENSED
Local hosting / thumbnails / hotlinking
Allowed / Allowed / Not enabled
Attribution
Source-listed TI 54LS139A specimen; die marked LS155A — ZeptoBars / CC BY 3.0
Identity / confidence
matched / high
Evidence reviewed
2026-09-06
Link checked
Not yet checked · unchecked
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기록의 신원과 범위

specimen · Source-listed TI 54LS139A specimen; die marked LS155A

이 사진이 보여주는 것

The archive lists TI 54LS139A and links this HD photograph. Museum visual review observes LS155A on the die. This discrepancy is retained; no exact function or shared-die SKU match is inferred.