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IEEE Symposium on FPGA's for Custom Computing Machines (FCCM '95)
Common processor element packaging for CHAMP
Napa Valley, California
April 19-April 21
ISBN: 0-8186-7086-X
B. Box, Lockheed Sanders Avionics, Nashua, NH, USA
J. Nieznanski, Lockheed Sanders Avionics, Nashua, NH, USA
Abstract: A generic approach for packaging advanced, application specific processors as well a future processing elements into a common JEDEC MCM (Multi-chip Module) footprint is presented and demonstrated. Usage of a common I/O scheme at the MCM level eases future device upgrades, maximizes module reuse and minimizes redesign. An 11-chip, Xilinx XC4025 FPGA (Field Programmable Gate Array) based MCM was designed and built as a compute element using our CHAMP (Configurable Hardware Algorithm Mappable Preprocessor) architecture as a prototype for demonstrating the validity of the common processor element packaging strategy. We have conservatively estimated that for a wide range of solutions, the CHAMP MCM offers a cumulative 100:1 improvement in size, weight, power, cycle time and cost compared to state-of-the-art, individually packaged DSPs and microprocessors on custom PCBs. The MCM design approach, implementation tradeoffs and experimental results for various measured performance parameters are also given.
Index Terms:
application specific integrated circuits; program processors; field programmable gate arrays; multichip modules; computer architecture; microprocessor chips; common processor element packaging; CHAMP; application specific processors; common JEDEC MCM; multichip module; Xilinx XC4025 FPGA; Configurable Hardware Algorithm Mappable Preprocessor; size; weight; power; cycle time; cost; implementation tradeoffs
Citation:
B. Box, J. Nieznanski, "Common processor element packaging for CHAMP," fccm, pp.0039, IEEE Symposium on FPGA's for Custom Computing Machines (FCCM '95), 1995
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