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UCIe

Universal Chiplet Interconnect Express — die-to-die signalling for chiplet-era SoCs.

Expert 3h 20m readChipletDie-to-die

The chiplet era is here. UCIe is the standard for die-to-die communication in multi-chiplet packages. Industry hiring for UCIe is exploding.

What you'll learn

  • Why chiplets — yield, cost, heterogeneous integration
  • UCIe stack: physical, die-to-die adapter, protocol layers
  • Standard package vs advanced package
  • Side-band signals and link management
  • UCIe vs BoW vs Open HBI — when to pick which
  • Verifying a UCIe link