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20260219_A-203_Wedge.PDF

上传人: 彩旗 编号:1158862 2026-03-02 26页 2.68MB

1、Enabling Advanced Transceiver Verification for Chiplet ArchitecturesScott Wedge,Jessi Lipoth,and Lih-Jen Hou Siemens EDAFebruary 19th,2026The Chiplet ChallengeTest costs must be reduced to make chiplet-based design worthwhile.Test failures are occurring with critical components such as transceivers.

2、Feedback to EDA:“Your system-level tools are good.Your chip-level tools are good.Our failures occur with advanced packaging integration.”“Can you help us shift-left in our verification flow to detect,analyze and fix potential issues much earlier in design?”“The need is particularly acute for chiplet

3、 PHY-layer electrical interfaces as we push for greater bandwidth density.”2A-203:Enabling Advanced Transceiver VerificationThe Chiplet Die-to-Die PHY SI ChallengePHY-layer signal integrity(SI)analysis involves different design tools with different models and algorithms.System-level tools have their

4、 levels of model abstraction and standardsE.g.IBIS,IBIS-AMI Chip-level tools have their levels of model abstraction and standards.E.g.SPICE,Verilog-AMSInterconnect,PEX,EM tools have their standardsE.g.DSPF,Touchstone(S-parameters)Multi-die designs may involve mixed process technologies.How can these

5、 diverse modeling paradigms be combined to achieve a shift-leftfor PHY transceiver verification?3A-203:Enabling Advanced Transceiver VerificationHyperLynx Signal Integrity(SI)Chip/package/board SI analyses to predict signal quality and eye closure due to impedance mismatches,inter-symbol interferenc

6、e(ISI),drive impedance,slew rate,termination,signal spacing,crosstalk,and topology effects.4Import Design DataAssign SI/PI ModelsVia Parameter SetupCoupling SettingsSelect Nets to AnalyzeRun AnalysisAnalyze ResultsAutomatic Extraction of TopologySystem LevelA-203:Enabling Advanced Transceiver Verifi

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1. **芯片let验证挑战**:测试成本需降低,先进封装集成中的收发器测试失败是关键问题,需左移验证流程。 2. **多模型融合**:结合系统级(IBIS-AMI)、芯片级(SPICE)及互连模型(S参数),通过Solido SPICE与HyperLynx SI实现混合抽象级验证。 3. **UCIe标准支持**:针对32/64 GT/s高速链路,利用有理函数拟合(RFM)处理互连模型,解决阻抗失配、串扰(SSN)等问题。 4. **性能优势**:Solido SPICE实现SPICE级精度与加速仿真,HyperLynx SI支持统计眼图分析,提升多芯片PHY层验证效率。 5. **核心数据**:UCIe在32 GT/s下可展示FFE均衡后的眼图,RFM拟合可达100 GHz带宽,满足高密度互连需求。
**芯片测试成本如何降低?** **多芯片互连如何验证?** **高速信号如何保真?**
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