Glossary Definition for MCM

Glossary Term: MCM 

Definition

  1. Multi-Chip Module (MCM): An integrated circuit package that contains two or more interconnected chips.
  2. MCM is an abbreviation for thousands of circular mils, an old measurement of wire gauge. 1 MCM = 1 kcmil = 0.5067 square milimeters. A mil is 1/1000 inch. A wire 200 mils in diameter is 40 MCM.
  3. MCM is generally used for very large-diameter wire. Most wire uses AWG.
  4. MCM is also used for "million cubic meters."
Synonyms
  • kcmil
  • Multi-Chip Module
See Also
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