VDict - Definition of Programmable Array Logic

Computing (FOLDOC) dictionary

Programmable Array Logic

hardware (PAL) A family of fuse-programmable logic

integrated circuits originally developed by MMI.

Registered or combinatorial output functions are modelled in

a sum of products form. Each output is a sum (logical or)

of a fixed number of products (logical and) of the input

signals. This structure is well suited for automatic

generation of programming patterns by logic compilers.

PAL devices are programmed by blowing the fuses permanently

using overvoltage.

Today, more complex devices based on the same original

architecture are available (CPLD's for Complex PLD's) that

incorporate the equivalent of several original PAL chips. PAL

chips are, however, still popular due to their high speed.

Generic Array Logic devices are reprogrammable and contain

(1995-12-09)

Related search result for "Programmable Array Logic"

Words contain "Programmable Array Logic" in its definition in Computing (FOLDOC) dictionary:
Programmable Array Logic Generic Array Logic field-programmable gate array Xilinx, Inc. MMI PAL complex programmable logic device logic emulator array ZX-81 more...