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Programmable Array Logic (PAL) is a family of programmable logic device semiconductors used to implement logic functions in digital circuits that was introduced by Monolithic Memories, Inc. (MMI) in March 1978. [1]
PLA schematic example. A programmable logic array (PLA) is a kind of programmable logic device used to implement combinational logic circuits.The PLA has a set of programmable AND gate planes, which link to a set of programmable OR gate planes, which can then be conditionally complemented to produce an output.
A programmable logic array (PLA) has a programmable AND gate array, which links to a programmable OR gate array, which can then be conditionally complemented to produce an output. A PLA is similar to a ROM concept, however a PLA does not provide full decoding of a variable and does not generate all the minterms as in a ROM.
The term commonly refers to devices such as ROMs, PALs, PLAs and GALs. ... (PLA) Field-programmable logic arrays (FPLA) ... Introduction to Digital Systems: Modeling, ...
Technology node 1 μm. A complex programmable logic device ( CPLD ) is a programmable logic device with complexity between that of PALs and FPGAs , and architectural features of both. The main building block of the CPLD is a macrocell , which contains logic implementing disjunctive normal form expressions and more specialized logic operations.
The following is a list of 7400-series digital logic integrated circuits. In the mid-1960s, the original 7400-series integrated circuits were introduced by Texas Instruments with the prefix "SN" to create the name SN74xx.
It is one type of read-only memory (ROM). PROMs are used in digital electronic devices to store permanent data, usually low level programs such as firmware or microcode. The key difference from a standard ROM is that the data is written into a ROM during manufacture, while with a PROM the data is programmed into them after manufacture. Thus ...
CMOS. Examples: Actel SX and Axcelerator families; Quicklogic Eclipse II family. [36] PROM: programmable read-only memory technology. One-time programmable because of plastic packaging. [clarification needed] Obsolete. EPROM: erasable programmable read-only memory technology. One-time programmable but with window, can be erased with ultraviolet ...