MULTICHIP MODULES (MCMs)

Virtually every large computer manufacturer, telecommunications products manufacturer, high volume consumer electronics manufacturer and aerospace products manufacturer is working on or considering designs that include multichip modules. There has been a dramatic increase in inactivity over the last five years, with entire conferences being dedicated to multichip modules. MCMs have gone through three phases in their growth.

Phase one was the widespread use in mainframe and supercomputer products. The primary driving force was performance. These systems were predominately ECL based, with relatively low integration levels. The MCM implementation allowed the “re-integration” of the LSI chips into VLSI modules while keeping the wiring delays small.

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