GB/T 20295-2014 English PDF

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GB/T 20295-2014: Application of symbols for binary logic and analogue elements
Status: Valid

GB/T 20295: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20295-2014	334	Add to Cart	3 days	Application of symbols for binary logic and analogue elements	Valid
GB/T 20295-2006	599	Add to Cart	3 days	GB/T 4728.12 and GB/T 4728.13 standard application	Obsolete

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Basic data

Standard ID: GB/T 20295-2014 (GB/T20295-2014)
Description (Translated English): Application of symbols for binary logic and analogue elements
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K04
Classification of International Standard: 29.020
Word Count Estimation: 17,188
Date of Issue: 9/30/2014
Date of Implementation: 4/1/2015
Older Standard (superseded by this standard): GB/T 20295-2006
Quoted Standard: GB/T 4728.1; GB/T 4728.2; GB/T 4728.3; GB/T 4728.4; GB/T 4728.5; GB/T 4728.6; GB/T 4728.7; GB/T 4728.8; GB/T 4728.9; GB/T 4728.10; GB/T 4728.11; GB/T 4728.12; GB/T 4728.13; GB/T 20296; IEEE 1149.1
Adopted Standard: IEC TR 61734-2006, IDT
Regulation (derived from): People's Republic of China Announcement of Newly Approved National Standards 2014 No. 22
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Standard specifies the application GB/T 4728. 12 and GB/T 4728. 13 rules drawn graphical symbols, making graphical symbols prepared consistent, and can accurately represent the function. This Standard has also developed additional provisions not incl

GB/T 20295-2014: Application of symbols for binary logic and analogue elements

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Application of symbols for binary logic and analogue elements ICS 29.020 K04 National Standards of People's Republic of China Replacing GB/T 20295-2006 Binary logic elements, and analog component symbols Application (IEC TR61734.2006, IDT) Issued on. 2014-09-30 2015-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 The common rule of 3 white box and gray box symbols 1 3.1 General 1 3.2 Terminal notation 1 3.3 Power Code 2 3.4 Non-logical representation of 2 3.5 common control box, common output element 2 3.6 embedded symbol 2 3.7 Use internal connection symbol 3 3.8 Read Only Memory (ROMs), programmable read-only memories (PROMs), and erasable programmable read only memories (EPROMs) 3 3.9 Input and output sequence 4 The order of 3.10 element 5 3.11 Total qualifying symbol position 5 3.12 Hysteresis Symbol 5 3.13 amplification symbols and binary logic element 5 3.14 symbol outside the box code of order 6 3.15 Scan function 6 3.16 Internal bus connection 6 3.17 lower power symbols 7 Open 7 3.18 ECL output Defining symbol 3.19 bidirectional channel 7 4 white box predetermined symbols 8 4.1 dynamic input symbol 8 4.2 L/H fixed mode input 8 4.3 CT input [CT output] 8 4.4 R or CT = 0 is equivalent to 8 RESET input 4.5 voltage reference element 9 4.6 adjustable reference voltage element 9 4.7 combined symbol Relations 9 5 gray box predetermined symbols 10 5.1 clock/crystal terminals 10 5.2 common control box 10 5.3 dynamic input, open collector output and tri-state output symbols 10 5.4 Part 10 5.5 Input and output code 10 Indicator 5.6 bus 11 5.7 Structure 11

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is equivalent to using IEC TR61734.2006 "binary logic elements, and analog component symbols of applications", and made editorial modify. This standard replaces GB/T 20295-2006 "GB/T 4728.12 and GB/T 4728.13 standard application." This standard compared with GB/T 20295-2006 main changes are as follows. --- Standard name to the IEC 61734.2006 the same name. "binary logic elements, and analog component symbols of application"; --- Full of symbols of the new formulation increases GB/T 4728 way of expression; --- Increasing the reference standard GB/T 20296-2012 "law and integrated circuit memory symbol"; --- In Chapter 3, we added the sentence. use-related memory function and method of input or output and focused on defining symbols GB/T 20296 provides. --- Original 11 Table 1 instead of the original images are adjusted accordingly Figure 11 after a sequence number order. This standard by the National Electrical information structures, documentation and graphical symbols Standardization Technical Committee (SAC/TC27) and focal points. This standard drafting units. China Aerospace Science and Industry Corporation II Institute 23, China Aerospace Science and Industry Corporation II Institute, Hefei Switzerland Qi Information Technology Co., Ltd., machine Productivity Promotion Center. The main drafters of this standard. Li Ping, Zhou Peng, Zhang broad and deep, high Yongmei, Zhang Dongting. The standard standard replaces the previous editions. --- GB/T 20295-2006. Binary logic elements, and analog component symbols Application

1 Scope

This standard specifies the application of GB/T 4728.12 and GB/T 4728.13 draw graphical symbols rules that allow a graphic symbol prepared Cause, and can accurately represent the function. This standard has also developed 4728.13 does not include the additional provisions in GB/T 4728.12 and GB/T , Its inclusion was recommended to GB/T 4728.12 and GB/T 4728.13, and to draw symbols to help. This standard applies to the field of design and simulation application binary logic elements element symbol. GB/T 4728.12 and GB/T 4728.13 were provided for in Rule binary logic elements, and analog components of graphical symbols for Under different circumstances indicate feature provides an alternative method.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 4728 (all parts), Graphical symbols for electrical diagrams (IEC 60617databaseIDT) GB/T 20296 IC memory method symbol (IEC 61352.2006, IDT) IEEE1149.1 Standard Access Port and Boundary-Scan Architecture (StandardtestAccessportandboundary-scanarchi- tecture) The common rule of 3 white box and gray box symbols In the white box symbols, features a device has been fully described by way of a standardized method. In the gray box symbols, it features by other methods (in part) Description (see GB/T 4728.12 symbol S01731 (12-54-01) And application notes A00037). Using the method functions and associated memory and input or output and defining symbols concentrated in GB/T 20296 provides. 3.1 General In binary logic elements and analog components - Graphic symbols Standard (GB/T 4728.12 and GB/T 4728.13) field by provisions The symbolic method, the same element can be expressed in different ways. In order to unify similar functions of notation, it is necessary to limit the different forms The number of symbols. In GB/T 4728, allowing both select one symbol, in this standard, preferably one of them. This standard aims to unify drawn graphic symbols, it does not limit the freedom of a more appropriate representation needed in the circuit diagram, such as Exchange terminals. 3.2 Terminal notation 3.2.1 NC terminals NC terminals must not be connected to the terminal does not describe the function and do not have access, it is not represented on the symbol box. 3.2.2 power supply terminal Usually on a diagram describing the function, without showing the power supply terminal, so they are generally not represented in the symbol box, and otherwise at ......

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