IBIS_HowToUse

IBIS_HowToUse




How to Use the
IBIS Model

Roy Leventhal

Last Update: 12/14/99



Table of Contents

Introduction 5
Scope 5
History and Motivation of IBIS Modeling 5
Current State of IBIS Modeling 6
Whither IBIS? 7
Symbolic Representation of an IBIS Device – Input Side 8
Symbolic Representation of an IBIS Model – Output Side 9

Model Types 9
Input 9
Output 9
I/O 10
3-state 10
Open-drain 10
I/O_open_drain 10
Open_sink 10
I/O_open_sink 10
Open_source 10
I/O_open_source 10
Input_ECL 11
Output_ECL 11
I/O_ECL 11
3-state_ECL 11
Terminator 11

V-I Data 11