Electronic digital logic circuitry – Multifunctional or programmable – Array
Patent
1995-07-27
1996-09-24
Westin, Edward P.
Electronic digital logic circuitry
Multifunctional or programmable
Array
326 39, 36518908, H03K 19177
Patent
active
055594506
ABSTRACT:
A field programmable gate array (FPGA) with a programmable function unit (PFU) that includes a look-up table (LUT) for implementing a plurality of functions including first and second RAM cells, and a programmable switching device dedicated to coupling and decoupling the RAM cells. The first and second RAM cells are coupled to respective first and second read/write ports. The RAM cells function individually as single-port RAM cells when decoupled by the switching device. However, the RAM cells share data to function collectively as a dual-port RAM cell when coupled by the switching device. The dual-port RAM cell is accessible by both the first and second read/write ports.
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Ngai Kai-Kit
Singh Satwant
Fox James H.
Lucent Technologies - Inc.
Santamauro Jon
Westin Edward P.
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