IEC 821:1987

For IEC 821:1987, item title is Bus — Microprocessor system bus for 1 to 4 byte data; status code is 9599; successor is IEC 821:1991; withdrawn / published date is 1987-06-01, recorded from its source on 2026-08-05.

Identifier: IEC 821:1987 verified
Item title: Bus — Microprocessor system bus for 1 to 4 byte data verified
Status code: 9599 verified
Successor: IEC 821:1991
Withdrawn / published date: 1987-06-01 verified

Sourceisopublicstorageprod.blob.core.windows.net

Verified2026-08-05

Review by2027-02-01

DatasetWithdrawn and superseded ISO standards

What the source says

5174,IS,,IEC 821:1987,Bus — Microprocessor system bus for 1 to 4 byte data,Bus système à microprocesseurs pour données de 1 à 4 octets,1987-06-01,1,['35.160'],ISO/IEC JTC 1,9599,,[5175],['en'],471,

— isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05

Source

isopublicstorageprod.blob.core.windows.nethttps://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified against source: 2026-08-05. Due for re-check by 2027-02-01. This page as Markdown · OKF bundle · full dataset as JSON.