This paper describes the second generation Optimized Reconfigurable Cell Array (ORCA) FieldProgrammable Gate Arrays (FPGAs). Architectural innovations combined with advanced OSpm process technology result in a family of high capacity and high speed FPGAs. New types of routing resources are included on the FPGA to ensure routing completion. The first ORCA part in the 2C series, the ATT2C15, contains approximately 2.5 million FETs and has a typical logic capability of about 15, OOO usable gates. Preliminary benchmark results confirm the speed and logic capacity of the new parts.

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A set of design m l s has been developed which creates the framework for a leading edge full custom design methodology. The tools provide the design flexibility and accuracy nceded to achieve maximum performance in a quality design. Complex chips with clock rates from 90 MHz to 250 MHz have been economically built using the three latest generations of CMOS processing technologies, 1.75 um. 1.25 um and 0.9 um.

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