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The Generic Array Logic (also known as GAL and sometimes as gate array logic) device was an innovation of the
(archive)
/small> Electronic design automation Gate arrays {{Electronics-stub
The Generic Array Logic (also known as GAL and sometimes as gate array logic) device was an innovation of the PAL
Phase Alternating Line (PAL) is a colour encoding system for analogue television. It was one of three major analogue colour television standards, the others being NTSC and SECAM. In most countries it was broadcast at 625 lines, 50 fields (25 ...
and was invented by Lattice Semiconductor
Lattice Semiconductor Corporation is an American semiconductor company specializing in the design and manufacturing of low power, field-programmable gate arrays (FPGAs). Headquartered in the Silicon Forest area of Hillsboro, Oregon, the company ...
. The GAL was an improvement on the PAL because one device type was able to take the place of many PAL device types or could even have functionality not covered by the original range of PAL devices. Its primary benefit, however, was that it was erasable and re-programmable, making prototyping
A prototype is an early sample, model, or release of a product built to test a concept or process. It is a term used in a variety of contexts, including semantics, design, electronics, and software programming. A prototype is generally used to ...
and design changes easier for engineers.
A similar device called a PEEL (programmable electrically erasable logic) was introduced by the International CMOS Technology (ICT) corporation.
See also
*Programmable logic device
A programmable logic device (PLD) is an electronic component used to build reconfigurable digital circuits. Unlike digital logic constructed using discrete logic gates with fixed functions, a PLD has an undefined function at the time of manuf ...
(PLD)
** Complex programmable logic device (CPLD)
** Erasable programmable logic device
A programmable logic device (PLD) is an electronic component used to build reconfigurable digital circuits. Unlike digital logic constructed using discrete logic gates with fixed functions, a PLD has an undefined function at the time of manu ...
(EPLD)
* GAL22V10
The GAL22V10 is a series of programmable-logic devices from Lattice Semiconductor, implemented as CMOS-based generic array logic ICs, and available in dual inline packages or plastic leaded chip carriers. It is an example of a standard product ...
References
Further reading
* ''PEEL Software and Applications Handbook''; International CMOS Technology (ICT); 138 pages; 1989./small> Electronic design automation Gate arrays {{Electronics-stub