Standard 1998, Edition 3
Red Line
September 24, 2018
UL 1998
ACTIVE

Standard for Software in Programmable Components

UL Red Line
Published Date: September 24, 2018
Last Revision: November 16, 2022
Summary of Topics s1998_3_sum.html

Summary of Topics

This revision of ANSI/UL 1998 includes the following:

Clarification of Scope

Clarification of Process Definition and Risk Analysis

Clarification of Variable Initialization

Clarification Regarding Use of Volatile Memory for Program Execution and Data Storage During Operation

Addition of Consideration of Programmable Component Errata as a Potential Cause of Microelectronic Hardware Failures

Clarification of Requirements for User Cancellation

Clarification of Requirements for Unique Identifier

Clarification of Applicability of Appendix A
Back to Standard 1998, Edition 3

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