Multi-chip module

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A multi-chip module (MCM) is generically an electronic assembly (such as a package with a number of conductor terminals or "pins") where multiple integrated circuits (ICs or "chips"), semiconductor dies and/or other discrete components are integrated, usually onto a unifying substrate, so that in use it can be treated as if it were a larger IC.^[1] Other terms for MCM packaging include "heterogeneous integration" or "hybrid integrated circuit".^[2] The advantage of using MCM packaging is it allows a manufacturer to use multiple components for modularity and/or to improve yields over a conventional monolithic IC approach.

A Flip Chip Multi-Chip Module (FCMCM) is a multi-chip module that uses flip chip technology. A FCMCM may have one large die and several smaller dies all on the same module.^[3]