What is PAL?

PAL

Programmable Array Logic (PAL) is a type of semiconductor used to implement logic functions in digital circuits.

PAL is a type of programmable logic device, which is a term for an integrated circuit that can be programmed in a laboratory to perform complex functions.

The device consists of a programmable read-only memory core with an output logic which is used ot implement logic functions with few components.

PAL devices are field-programmable, which means that it can be configured after manufacturer by a users. There were several versions, some allowing it to be reprogrammed only once and some which could be erased for re-use.

What was used before the PAL?

Name of Technology:

Programmable Array Logic

Year Introduced:

1975

Invented by :

H.T. Chua

Open Source or Proprietary:

Proprietary

Main technology category:

Programming

Patent:

Yes

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