simde™model introduction
TRANSCRIPT
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TMTMTMTM
SimDETM MODEL
Release 201512
Doc version: V1.0
Modeling your device with performance and accuracy
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What’s New in Release 201512 § S2i (s2ibis3) file import function § C_comp re-order feature § Warning for large mismatch on IV-VT checking (> 15%)
• Selections: Stop or Continue § IBIS file generation feature enhancement § Update for handling the latest hspice update
§ Previous in V4.4 201504 • Series/Series_switch IBIS model extraction and validation
support • Using relative path for include files and libs when they are placed
inside Project folder • Using scientific natation for IBIS buffer curve data • Updated to ibischk6
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SimDE™MODEL
§ The first complete IBIS model development and validation tool • Support all IBIS buffer type extraction / generation • Automated differential IBIS model (True, Pseudo and Half)
extraction / generation • Integrated IBIS model validation for single-end and differential-
pair IBIS buffers • Support IBIS 5.0 PDN feature extractions
§ The industry first Spice Macromodel development tool with Fitting and Validating functionalities • Support advance digital buffer model development • Automated Fitting and Validating functionalities with golden
waveforms • Support analog model development
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S2I Import
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C_comp re-order function
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Warning for large mismatch on IV-VT checking (> 15%)
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Series/Series_switch extraction support
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Using relative path for Libs and Include files
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Using scientific notation for IBIS buffer data
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Using IBISCHK6 for ibis file check
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Automated batch mode operation for IBIS buffer generations of options/programmable settings
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Auto-Set function for differential pair buffer VT fixture settings
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New Auto-Set feature can automatically set the differential pair VT fixture for IBIS modeling.
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IBIS VT/IT initial delay trim and curve length control
Proper Initial delay trim and curve length control will help for overclocking issue in IBIS simulations
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Stimulus Rising / Falling edge control for IBIS VT extraction
This feature enables the total control for VT extraction stimulus configurations. It will allow to generate more accurate models for new advanced buffers
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IBIS VT/IT Maximum Point Number Control
The most of times, VT/IT curves will only need few hundred points for keeping the accuracy of the models. This maximum number control will allow to minimize the file size significantly.
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Current-Mode True-differential pair Support
Out of ordinary IBIS extraction methods with enhanced Weighted Best Point Reduction algorithm for accurate current-mode true-differential IBIS buffer model extractions
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Selectable Extraction Simulation ONLY options for time consuming long simulations
Using script for simulation queue. Simulate first, extraction process using existing data later
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Enhanced batch-mode operation for large number buffer generations in one project
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Flexibility for IBIS version 3.2/4.2/5.0 buffer model generation to fit your customer needs
Choose the IBIS version your customer needs. SimDE™ will automatically generate version compatible IBIS buffers.
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Supports SubModel (Dynamic Clamping) IBIS model type extractions
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IBIS 5.0 PDN features with build-in test circuit
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IBIS VALIDATOR
I-V I-T
V-T
TEXT
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WAVFORM 3D View
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Flexible stimulus controls for IBIS model generations
§ Delays • Static • Pulse
§ Levels • High/Low • Typ/Min/Max
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Stimulus level control for different corner IBIS validations
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Advanced “weighted” Best-Point algorithm for I-V curve representations
Curve with OLD algorithm
Curve with NEW algorithm
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Both Transient and DC analysis modes available for I-V curve extractions
Insured to get the best result for I-V curve extractions
Spectre DC Analysis mode is not available in V2.2
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Integrated MSIM simulator support for extraction and validation
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Model Selector Builder
• Build [Model Selector] from different IBIS files • Load, Edit, Remove functionalities • Can be added as a pin in IBIS file generation wizard
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Manual Common-mode voltage setting option for differential pair IBIS extractions
§ Manual common-mode voltage setting option
§ Auto-detection still available
§ Increase IBIS buffer model accuracy by setting precision common-mode voltages for each corners
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Multiple Simulator integrations
§ Supports • Synopsys HSpice • Cadence Spectre • Mentor Eldo • Texas Instrument Spice3 • Legend MSIM
§ Seamless switching capability
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IBIS Buffer Generation
Graphical Settings
Conditional Parameters
Configurable Blackbox
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IBIS Generation Setting Wizards
Node Mapping
Node Mapping
C_comp Extraction
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Extraction with existing data
§ Save simulation time § Capable for other simulator
and / or measurement output § With syntax checker
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Easy IBIS curve inspection
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Build-in Test circuit and Flexible Topology Editor for Validations
Differential report
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Seamless Validation
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Comprehensive IBIS File Builder
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Macromodel Builder
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Fitting for Accuracy
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Fitting Result (DPI:1.14%, DAI:1.49%)
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Free-Form Topology Editor for Validation
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Validation Result
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What is new in the future releases § Model LOCK function § Batch mode Model selection § AMI and External Model wrapping § Test Data § Finally, AMI generation and validation
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TMTM
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