IEEE NEW LOGIC SYMBOLS : 2ED
IEEE NEW LOGIC SYMBOLS : 2ED
A PRACTICAL INTRODUCTION TO THE NEW LOGIC SYMBOLS
Institute of Electrical & Electronics Engineers
A PRACTICAL INTRODUCTION TO THE NEW LOGIC SYMBOLS
Institute of Electrical & Electronics Engineers
PART 1. INTRODUCING THE SYMBOLS
1 An international language for digital engineers
Layout of the book
2 Definitions
3 Composition of the symbol
Combination of the symbols
Embedded symbols
Common output element
Arrays
Direction of information flow
4 Inputs and outputs
Polarity
Dynamic input
Postponed output
Bi-threshold (hysteresis) input
Extension input and extender output
Non-logic and analogue connections
Internal (virtual) input and output
Fixed-mode input and fixed-state output
Special outputs
Other input/output symbols
5 Simple combinative elements
Simple gates
More complex elements
Odd/even (parity) elements
Distributed connection
Buffers with extra driving capability
Hysteresis gates
Examples
6 Delay elements
Specified delay
Tapped delay elements
Unspecified and variable delays
7 Dependency notation
I/O abbreviation
Conventions
G (AND) dependency
OR dependency between affecting I/O with identical
labels
V (OR) dependency
N (Negate) (X-OR) dependency
Z (interconnection) dependency
S (Set) R (Reset) dependency
C (Control) dependency
EN (Enable) input and EN dependency
M (Mode) dependency
A (Address) dependency
Summary of dependency notation
8 Label sequences
Input labelling
Output labelling
9 Two-state elements
The latch
Bistable elements
Monostable elements
Astable elements
Uncommon bistable elements
10 The common control block
11 Shift registers and counters
Shift registers
Counter/dividers
12 Coders
Input and output codes
Coders
Code converters
Embedded coders
13 Signal level converters
14 Selectors
Multiplexers
Demultiplexers
15 Memory
16 Arithmetic elements
Adders and subtractors
Carry look-ahead generator, multiplier, comparator
and ALU
PART 2. USING THE SYMBOLS
17 A complex signal analysed
Examples of complex devices
Gray boxes
18 Different levels of representation
The levels
Three levels - three uses
An example
The new logic symbols in documentation
The new logic symbols in commercial organizations
PART 3. CLOSELY RELATED SYMBOLS
19 Multiple signal paths
Signal lines
Grouped signals
Bus interconnections
20 The changer symbol
APPENDICES
1 Glossary of symbols and notations
Table 1 - Qualifying symbols for inputs and
outputs
Table 2 - Symbols used inside the outline
Table 3 - General qualifying symbols
Table 4 - Dependency notation
2 Participating countries
Derivation of the IEC standard
Degree of conformity
Note concerning conformity
3 Changes in this edition
INDEX
Document Type | Standard |
Status | Current |
Publisher | Institute of Electrical & Electronics Engineers |
Supersedes |
|