GB/T 20296-2012Mnemonics and symbols for integrated circuits (English PDF)

GB/T 20296-2012 is the English-translated version of 集成电路记忆法与符号.

GB/T 20296-2012 — This standard specifies the use of symbols and memory devices and methods should be consistent with defining symbol is expected to reach two objectives, namely. --- Symbol dialogue box gives the standard name; --- On the gray box symbols, we want to limit the possible variation.

White box Symbol. Symbol Symbol elements completely functional behavior described by standardized methods and interpretation of the relevant rules in binary Logic element symbols and application notes, analog component symbols, application notes found.

Gray box Symbol. Symbol functional behavior of elements, usually because of their complexity, some non-white box with a symbol used methods, especially Reference symbol by the supporting documents described; relevant rules and interpretations can be found in the application notes and symbols.

The standard proposed the concept of the white box and gray box sign symbols to facilitate the application designer. This standard applies to integrated circuits design.

Chapter 3, the second column is the letter W, indicates that the associated tag can be used white box and gray box sign symbols. The second column is the word Mother G, mean that the mark may only be used in the gray box symbol or symbols can be used only white box between the blocks (such as "Power Off Off "for additional information).

In place of the letter m, m shall be required in each case with the associated value, instead of the identification number, cycle length, or the number of digits in order.

Local m1 × m2 appeared, the number of bits m1 application of words, m2 application per word instead, see symbols.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 19 pages — is available in the English PDF.

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