Integrated circuit with field programmable and application specific logic areas
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United States of America Patent
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Oct 20, 1998
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app pub date -
Sep 26, 1996
filing date -
Sep 26, 1996
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Abstract
A heterogeneous integrated circuit device comprising a field programmable gate array (FPGA) programmably connected to a mask-defined application specific logic area (ASLA) on an integrated circuit thus providing a flexible low cost alternative to a homogeneous device of one type or the other. By integrating both on a single monolithic IC, the user benefits from both low cost and flexibility. Routing of signals between gate arrays and between the gate arrays and input/output (I/O) circuits is also implemented as a combination of mask-defined and programmably-configured interconnections.
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