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  2. Programmable logic array - Wikipedia

    en.wikipedia.org/wiki/Programmable_logic_array

    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.

  3. Programmable logic device - Wikipedia

    en.wikipedia.org/wiki/Programmable_logic_device

    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.

  4. Programmable Array Logic - Wikipedia

    en.wikipedia.org/wiki/Programmable_Array_Logic

    The project to create the PAL device was managed by John Birkner and the actual PAL circuit was designed by H. T. Chua. [3] In a previous job (at mini-computer manufacturer Computer Automation), Birkner had developed a 16-bit processor using 80 standard logic devices. His experience with standard logic led him to believe that user-programmable ...

  5. Simple programmable logic device - Wikipedia

    en.wikipedia.org/wiki/Simple_programmable_logic...

    The term commonly refers to devices such as ROMs, PALs, PLAs and GALs. ... (PLA) Field-programmable logic arrays (FPLA) ... Introduction to Digital Systems: Modeling, ...

  6. Complex programmable logic device - Wikipedia

    en.wikipedia.org/wiki/Complex_programmable_logic...

    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.

  7. Programmable ROM - Wikipedia

    en.wikipedia.org/wiki/Programmable_ROM

    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 ...

  8. Soft microprocessor - Wikipedia

    en.wikipedia.org/wiki/Soft_microprocessor

    A soft microprocessor (also called softcore microprocessor or a soft processor) is a microprocessor core that can be wholly implemented using logic synthesis.It can be implemented via different semiconductor devices containing programmable logic (e.g., FPGA, CPLD), including both high-end and commodity variations.

  9. Logic block - Wikipedia

    en.wikipedia.org/wiki/Logic_block

    The technology stacks several (three or four) active FPGA dice side-by-side on a silicon interposer – a single piece of silicon that carries passive interconnect. [ 8 ] [ 9 ] The multi-die construction also allows different parts of the FPGA to be created with different process technologies, as the process requirements are different between ...