Specifications

vii
7
RAMs and Programmable Devices 121
The RAM, PROM and PLA Primitive
Types 121
RAM Device Characteristics 122
PROM Device Characteristics 123
PLA Device Characteristics 124
Complex Programmable Logic Devices
124
Using the PROM/RAM/PLA Wizard
125
Creating a RAM Device 125
Creating a PROM Device from a Data
File 127
Creating a PROM Device with Manual
Data Entry 128
Creating a PLA from a Data File 130
Creating a PLA Device with Manual
Data Entry 132
Editing RAM, PROM, and PLA
Devices 133
8
Device Symbol Editing 135
Working With Symbol Libraries 135
Editing Device Symbols 142
Creating a New Part from Scratch—
Basic Procedure 143
Editing an Existing Part in a Library
147
Saving an Edited Part Back to its
Original Library 148
Saving the Part Under a New Name
148
Zooming the Symbol Editor Window
149
Adding Sequential Pin Names 149
Setting Part and Pin Attributes 152
Editing Symbol Graphics 154
Using the Drawing Tools 154
Reordering Graphical Objects Front-To-
Back 156
Grouping Graphical Objects 156
Aligning Graphical Objects 156
Rotating and Flipping Graphical
Objects 156
Setting Grids 157
Placing Pins on a Symbol 158
Showing, Hiding, Editing or Moving a
Pin’s Name 160
Setting the Default Pin Name Prefix
161
Placing a Bus Pin 161
LW Reference.bk Page vii Monday, December 15, 2003 5:59 PM