Jnc: +cat

2018-12-14T19:20:09Z

+cat

Jnc: A decent start

2018-10-12T00:38:06Z

A decent start

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A '''gate array''' is a way of producing a customized [[digital]] [[integrated circuit]] with a minimal amount of design work, and in a shorter time frame (from start, to production of actual physical units).

The basic chip design, used across a wide number of custom gate arrays, has a lot of un-connected [[transistor]]s. (Chips fabricated to this level are often mass-produced and stockpiled for later use.)

Only one of the last steps, the so-called 'metal layer', which is used to connect [[circuit]]ry components together, is custom. The metal layer for a paticular gate array connects together the transistors to form the desired [[gate]]s, which are further connected into higher level entities such as [[flip-flop]]s.

They have now been largely replaced with [[field-programmable gate array]]s, which involve no custom fabrication (so a single stockpile can be sent for multiple uses), can be easily re-programmed during development, and can be re-programmed in the field if mistakes are found, or enhancements developed.

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Gate array - Revision history

Jnc: +cat

Jnc: A decent start