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Signal Electromigration (Signal EM): Violations, Examples, and Practical Fixes

  Hello Dear Readers,   Today in this post, I will provide some deep insight into the Signal Electromigration (Signal EM): Violations, Examples, and Practical Fixes. 1. Introduction: As technology nodes shrink into the deep‑submicron and nanometer regime (7nm, 5nm, 3nm and beyond), electromigration (EM) has become a first‑order reliability concern—not only for power/ground (PG) networks but also for signal nets. Signal EM failures are often underestimated because signal currents are transient and bidirectional. However, with higher switching activity, tighter metal pitches, thinner wires, and aggressive timing closure, signal EM can cause latent or early‑life failures if not addressed properly. This article explains: What Signal EM is and how it differs from PG EM Typical Signal EM violation scenarios Detailed, practical examples Root causes behind each violation Proven solutions and best practices to fix and prevent Signal EM issues 2. What is Signal Electromigration: El...
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Intern - CAD Automation at Global Foundries

 Hello Dear Readers, 

Currently at Global Foundries vacancy for an Intern - CAD Automation role.

GlobalFoundries is a leading full-service semiconductor foundry providing a unique combination of design, development, and fabrication services to some of the world’s most inspired technology companies. With a global manufacturing footprint spanning three continents, GlobalFoundries makes possible the technologies and systems that transform industries and give customers the power to shape their markets.

Introduction:

This position is for a CAD flow/ EDA Engineer who will work on EDA/CAD related topics. The successful candidate needs to have a good background in working on CAD/EDA infrastructure and needs to be a team player with a solution-oriented approach.

Your Job:  

  • Work on CAD design environment, PDK versioning and enablement and Tool license management related topics.
  • Digital design background with Skill/python, scripting, logic verification and porting database.
  • Support and development for our existing QA flow.
  • Manage timely resolution of issues related to EDA tool features, Tool flows and methodologies
  • Work with cross-geo, cross-vertical teams to understand requirements and communicate resolution

Required Qualifications:

  • Requires a Bachelor of Engineering (B.E.) or equivalent degree in a related field from an accredited university.
  • Language Fluency – Fluent in English Language – written & verbal. 
  • Design Engineer with knowledge of EDA tools and flows - PnR tools, Layout (Virtuoso), PERC etc.
  • Proficiency with data analytics, data organization and be able to understand usage and statistics for EDA tools
  • Must have proficient knowledge of and experience with Unix environment
  • Must have hands-on experience with SKILL language
  • Should be fluent with Cadence EDA tools for schematic and physical layout, design rule checking (DRC), layout versus schematic checking (LVS, schematic and layout extraction, methodology checking) 
  • Must have good technical verbal and written communication skills and ability to work with cross functional teams is necessary
  • Be able to collaborate with program and technical design leads on multiple concurrent projects. 
  • Should have excellent problem-solving skills, written & oral communication, teaming & interpersonal skills
  • Perform all activities in a safe and responsible manner and support all Environmental, Health, Safety & Security requirements and programs
  • Familiarity with standard engineering practices like Version Control systems, Configuration Management and Regression process

Preferred Qualifications:    

  • Knowledge of scripting languages like Python/Perl
  • Experience with PowerBI, Excel, Powerpoint and other office productivity tools
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