New IBIS Cookbook 1.0 Introduction 2.0 Pre-Modeling Steps

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Presentation transcript:

New IBIS Cookbook 1.0 Introduction 2.0 Pre-Modeling Steps 1.1 Quick Overview of an IBIS File 1.2 Steps to creating an IBIS Model 2.0 Pre-Modeling Steps 2.1 Basic Decisions Model Version and Complexity Specification Model vs. Part Model Fast and Slow Corner Model Limits Inclusion of SSO Effects Mention of [Pin Mapping] 2.2 Information Checklist 2.3 Tips For Component Buffer Grouping 3.0 Extracting the Data 3.1 Using Spice to IBIS (s2ibis) 3.1 Extracting I/V and Switching Data via Simulations 3.1.1 Extracting the I/V Data Simulation Setup Sweep Ranges Making Pullup and Power Clamp Sweeps Vcc Relative Diode Models ALL OTHER INFORMATION SHOWN THROUGH EXAMPLES 3.1.2 Extracting the Ramp Rate or V/T Waveform Data Extracting Data for the [Ramp] Keyword Extracting Data for the Rising and Falling Waveform Keywords Minimum Time Step 3.2 Automatic tool extraction and checklist Right ranges? Right timestep? Point selection? Right clamp counting? 3.3 Obtaining I/V and Switching Information via Lab Measurement

New IBIS Cookbook 4.0 Putting the Data Into an IBIS File 4.1 IBIS File Header Information 4.2 Component and Pin Information 4.3 The [Model] Keyword Parameter section Temperature and Voltage Keywords I/V data section Pulldown Ground Clamp Pullup Power Clamp Extrapolation Errors [Ramp] and Waveform Tables 4.4 Thresholds & Delay Vinh, Vinl [Model Spec] 4.5 External Package Models See ICM & Package Cookbook 4.6 Verifying the IBIS file See Quality and Accuracy Handbooks Parser notes: version makes a difference

New IBIS Cookbook 5.0 Examples of Common Model Types CMOS totem-pole (input, output, I/O) Concept: include only necessary I-V and V-t curves I/O CMOS buffer with termination Concept: clamp “counting” PECL/ECL Concept: supply referencing Multi-stage buffers Concept: Using [Driver Schedule] Differential buffers Concept: Using [Diff Pin] Pre-emphasis? Current-mode? [Bus Hold] Concept: Using [Submodel] Highlight only differences from generic steps shown earlier

New IBIS Cookbook 6.0 Validating the Model 7.0 Correlating the Data 8.0 Resources Simple updates

ICM Cookbook 1.0 Introduction 2.0 Pre-Modeling Steps 1.1 Quick Overview of an ICM File 1.1.1: Families 1.1.2: Models 1.1.3: Sections 2.0 Pre-Modeling Steps 2.1 Basic Decisions What cases within the family? S-parameters or RLGC? RLGC: Lumped or Distributed? RLGC: What frequency? Tree or Nodal? 2.2 Information Checklist Pictures? Lengths?