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{{Short description|Type of integrated circuit}}
[[File:ZX81 ULA.jpg|thumb|Sinclair ZX81 ULA]]
A '''gate array''' is an approach to the design and manufacture of [[application-specific integrated circuit]]s (ASICs) using a [[semiconductor device fabrication|prefabricated]] chip with components that are later interconnected into logic devices (e.g. [[NAND gate|NAND gates]], [[Flip-flop (electronics)|flip-flops]], etc.) according to a custom order by adding metal interconnect layers in the factory. It was popular during upheaval in semiconductor industry in 80s and its usage declined by end of 90s.
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