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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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Physical Design Engineer (All Levels) at InSemi Technology

 Hello Dear Readers, 

Currently at InSemi Technology vacancy for a Physical Design Engineer role.

Preferred Education:

  • B.Tech/M.Tech

Area of Expertise:

  • Good knowledge of VLSI process and device characteristics
  • Experience doing physical design targeted to the 7nm/16nm FinFet process
  • Good knowledge of cell libraries’ various views and models
  • Good understanding of static timing analysis (STA), EM/IR, and sign-off.
  • Strong hands-on experience with Chip Level / Sub-chip level floor planning, > partition, pin assignment, Power planning, Bump Planning, Pad Ring Creation, > Block level physical implementation, timing closure, physical verification, Chip level integration of different sub-blocks, and custom macros/IPs, Timing, IR/EM analysis and closure, Physical Verification – block and chip level
  • EDA Tool Expertise: Innovus, Tempus/PrimeTime-SI, Voltus/RedHawk, StarXT/Quantus, Calibre,LEC, etc
  • Good software and scripting skills (Python, tcl)
  • Good communication skills and the ability and desire to work as part of a team
  • Self-driven individual and an excellent team player
  • Good communication abilities

 Apply Here

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