Zilog Z80

8-bit microprocessor
Intangible instruction_set_architecture Q203315
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Summary

Zilog Z80 is an instruction set architecture[1]. It draws 4,694 Wikipedia views per month (instruction set architecture category, ranking #5 of 47).[2]

Key Facts

  • Instance of: CPU model[3]
  • Based on: Intel 8080[4]
  • Follows: Intel 8080[5]
  • Followed by: Zilog Z180[6], Zilog Z8000[7], Zilog Z800[8], Zilog Z280[9], Zilog Z380[10], Zilog eZ80[11]
  • Manufacturer: Zilog[12], Mostek[13], Synertek[14], STMicroelectronics[15], NEC[16], Sharp Corporation[17], Toshiba[18], Rohm[19], GoldStar[20], Hitachi[21], National Semiconductor[22]
  • Subclass of: central processing unit[23]
  • Commons category: Zilog Z80[24]
  • Archives at: Computer History Museum[25]
  • Has part(s): processor register[26], index register[27], stack register[28], program counter[29]
  • Inception: March 1976[30]
  • Start time: July 1, 1976[31]
  • Topic's main category: Category:Z80[32]
  • Discontinuation date: 2024[33]
  • Endianness: little endian[34]
  • Derivative work: U880[35], Sharp LH0080[36], MMN80CPU[37], T34VM1 and T34VG1[38]

Body

Influence

Things named for Zilog Z80 include Sinclair ZX80[39], a computer model[40], founded in 1980[41].

Why It Matters

Zilog Z80 has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[42] It is known by 16 alternative names across languages and contexts.[43]

Entities named for it include Sinclair ZX80[39], a computer model[40], founded in 1980[41].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . computerhistory.org. Retrieved . computerhistory.org. Provenance: wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [28] ↑ . wikidata.org.
  27. [29] ↑ . wikidata.org.
  28. [30] ↑ . wikidata.org.
  29. [31] ↑ . wikidata.org.
  30. [32] ↑ . wikidata.org.
  31. [33] ↑ . techspot.com. techspot.com. Provenance: wikidata.org.
  32. [34] ↑ . wikidata.org.
  33. [35] ↑ . wikidata.org.
  34. [36] ↑ . wikidata.org.
  35. [37] ↑ . wikidata.org.
  36. [38] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [39] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [40] ↑ . Wikidata. wikidata.org. → on this site
  2. [41] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [42] ↑ . Wikidata sitelinks. wikidata.org.
  3. [43] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Zilog Z80. Retrieved October 18, 2026, from https://4ort.xyz/entity/zilog-z80
MLA “Zilog Z80.” 4ort.xyz Knowledge Graph, 4ort.xyz, 18 Oct. 2026, https://4ort.xyz/entity/zilog-z80.
BibTeX @misc{4ortxyz_zilog-z80_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Zilog Z80}}, year = {2026}, url = {https://4ort.xyz/entity/zilog-z80}, note = {Accessed: 2026-10-18}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Zilog Z80 — https://4ort.xyz/entity/zilog-z80 (retrieved 2026-10-18)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 18w ago · Simone Biancolilla · 2026-06-11 view diff on Wikidata ↗
    Instruction set → Q135919904
    "/* wbsetclaim-create:2||1 */ Instruction set: Z80 instruction set"
  2. 20w ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
    Freebase id → /m/0898v
    Discontinuation date → —
    Library of congress authority id → —
    Babelnet id → 02804250n
    + 59 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ National library of israel j9u id: 987007534236805171, mv to monolingual text names on J9U statements"
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