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IBIS Case Studies: Comparison of Simulations. Fabrizio Zanella, EMC Corporation. Objectives. Compare SI Tools using IBIS models Compare to empirical measurements and SPICE simulations All measurements and simulations performed on SI test boards created at EMC. IBIS Model Case Studies.

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IBIS Case Studies: Comparison of Simulations


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ibis case studies comparison of simulations

IBIS Case Studies:Comparison of Simulations

Fabrizio Zanella, EMC Corporation

IBIS SUMMIT 10/15/98

objectives
Objectives
  • Compare SI Tools using IBIS models
  • Compare to empirical measurements and SPICE simulations
  • All measurements and simulations performed on SI test boards created at EMC

IBIS SUMMIT 10/15/98

ibis model case studies
IBIS Model Case Studies
  • Case 1: TTL signals: empirical,SPICE, IBIS
  • Case 2: SRAM signals: empirical,SPICE, IBIS
  • Case 3: IBIS model comparison

IBIS SUMMIT 10/15/98

case 1 lab measurement
Case 1: Lab measurement

IBIS SUMMIT 10/15/98

case 1 spice
Case 1: SPICE

IBIS SUMMIT 10/15/98

case 2 lab measurement
Case 2: Lab Measurement

IBIS SUMMIT 10/15/98

case 2 spice
Case 2: SPICE

IBIS SUMMIT 10/15/98

case 3 comparison of ibis models
Case 3: Comparison of IBIS models

Data Sheet model vs Spi2IBIS model

IBIS SUMMIT 10/15/98

summary
Summary
  • SI Simulators, using IBIS models, are complementary and accurate
  • IBIS models need to be checked: beware of data sheet models

IBIS SUMMIT 10/15/98