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Gate Arrays and Field-Programmable Logic.

A Gate Array: (Greaves, Backbone Ring ECL Gate Array)

A gate array comes in standard die sizes containing a fixed layout of configurable cells.

Historically, there were two main forms of gate array:

Advantage: Quick design and fabrication, Disadvantage: Large waste of silicon area, low performance.

FPGAs are now used almost exclusively.

17: (C) 2008-11, DJ Greaves, University of Cambridge, Computer Laboratory.