This standard is embodied in the Std_logic_1164 package declaration and the semantics of the Std_logic_1164 body. An annex is provided to suggest ways in which one might use this package.

This standard is embodied in the Std_logic_1164 package declaration and the semantics of the Std_logic_1164 package body along with this clause 1 documentation. The information annex A is a guide to users and is not part of this standard, but suggests ways in which one might use this package