IEC 821:1991
(Main)IEC 821 VMEbus — Microprocessor system bus for 1 byte to 4 byte data
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
General Information
- Status
- Withdrawn
- Publication Date
- 25-Dec-1991
- Technical Committee
- ISO/IEC JTC 1/SC 25 - Interconnection of information technology equipment
- Current Stage
- 9599 - Withdrawal of International Standard
- Start Date
- 28-Oct-2020
- Completion Date
- 14-Feb-2026
Relations
- Effective Date
- 06-Jun-2022
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Frequently Asked Questions
IEC 821:1991 is a standard published by the International Organization for Standardization (ISO). Its full title is "IEC 821 VMEbus — Microprocessor system bus for 1 byte to 4 byte data". This standard covers: IEC 821 VMEbus — Microprocessor system bus for 1 byte to 4 byte data
IEC 821 VMEbus — Microprocessor system bus for 1 byte to 4 byte data
IEC 821:1991 is classified under the following ICS (International Classification for Standards) categories: 35.160 - Microprocessor systems. The ICS classification helps identify the subject area and facilitates finding related standards.
IEC 821:1991 has the following relationships with other standards: It is inter standard links to IEC 60821:1991. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
IEC 821:1991 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.




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