IEC 821:1987
What is the item title for IEC 821:1987?
For IEC 821:1987, item title is Bus — Microprocessor system bus for 1 to 4 byte data; replacement named by the register is IEC 821:1991; publication date is 1987-06-01, verified against its source on 2026-11-03.
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
- Identifier
- IEC 821:1987 verified
- Item title
- Bus — Microprocessor system bus for 1 to 4 byte data verified
- Replacement named by the register
- IEC 821:1991 verified
- Publication date
- 1987-06-01 verified
Verified
Review by
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.
Replacement named by the register
5175,IS,,IEC 821:1991,IEC 821 VMEbus — Microprocessor system bus for 1 byte to 4 byte data,Bus CEI 821 VMEbus — Bus système à microprocesseurs pour données de 1 octet à 4 octets,1991-12-26,2,['35.160'],ISO/IEC JTC 1/SC 25
— all from 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