• BS 3939-12:1991

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    Graphical symbols for electrical power, telecommunications and electronics diagrams Guide for binary logic elements

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  26-10-2018

    Language(s):  English

    Published date:  30-08-1991

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Chapter I. General
    Section
    1 Introduction
    2 General notes
    3 Explanation of terms
    Chapter II. Symbol construction
    4 Composition of the symbol
    5 Outlines
    6 Use and combination of outlines
    Chapter III. Qualifying symbols associated with inputs
                 outputs and other connections
    7 Negation, logic polarity and dynamic input
    8 Internal connections
    9 Symbols inside the outline
    10 Non logic connections and signal-flow indicators
    Chapter IV. Dependency notation
    11 General explanation
    12 Convention
    13 Types of dependency
    14 AND dependency
    15 OR dependency
    16 NEGATE dependency
    17 INTERCONNECTION dependency
    17A TRANSMISSION dependency
    18 CONTROL dependency
    19 SET and RESET dependency
    20 ENABLE dependency
    21 MODE dependency
    22 Comparison of C-, EN- and M-effects on inputs
    23 ADDRESS dependency
    24 Special techniques used in dependency notation
    25 The ordering of labels associated with inputs and
         with outputs
    Chapter V. Combinative and sequential elements
    26 General notes
    27 Combinative elements
    28 Examples of combinative elements
    29 Examples of buffers, drivers, receivers, and
         bidirectional switches
    30 Elements with hysteresis
    31 Examples of elements with hysteresis
    32 Coders, code converters
    33 Examples of code converters
    34 Signal-level converters with or without electrical
         isolation
    35 Examples of signal-level converters
    36 Multiplexers and demultiplexers
    37 Examples of multiplexers and demultiplexers
    38 Arithmetic elements
    39 Examples of arithmetic elements
    40 Binary delay elements
    41 Bistable elements
    42 Examples of bistable elements
    43 Indication of special switching properties of
         bistable elements
    44 Monostable elements
    45 Examples of monostable elements
    46 Astable elements
    47 Examples of astable elements
    48 Shift registers and counters
    49 Examples of shift registers and counters
    50 Memories
    51 Examples of memories
    52 Display elements
    53 Examples of display elements
    Chapter VI. Complex-function elements
    54 General symbol and basic rules
    55 Bus indicators and data path representation
    56 Examples of complex-function elements
    English alphabetical index
    Index of devices for which symbols are shown

    Abstract - (Show below) - (Hide below)

    Symbols, with definitions, for use on electrical diagrams.

    General Product Information - (Show below) - (Hide below)

    Committee GEL/3
    Development Note Supersedes BS 3939-12(1985) & 92/30355 DC. (03/2007)
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn
    Superseded By
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60617-10:1996 Graphical symbols for diagrams - Part 10: Telecommunications - Transmission
    IEC 60617-3:1996 Graphical symbols for diagrams - Part 3: Conductors and connecting devices
    ISO 31-11:1992 Quantities and units Part 11: Mathematical signs and symbols for use in the physical sciences and technology
    IEC 60113-7:1981 Diagrams, charts, tables - Part 7: Preparation of logic diagrams
    IEC 60617-13:1993 Graphical symbols for diagrams - Part 13: Analogue elements
    IEC 60617-2:1996 Graphical symbols for diagrams - Partie 2: Symbol elements, qualifying symbols and other symbols having general application
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