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Hardware Implementation of Truncated Multipliers Using Spartan-3AN, Virtex-4 and Virtex-5 FPGA Devices

Author(s): Muhammad H. Rais

Journal: American Journal of Engineering and Applied Sciences
ISSN 1941-7020

Volume: 3;
Issue: 1;
Start page: 201;
Date: 2010;
Original page

Keywords: Cutting speed | surface response methodology | first order (linear + interaction) | fuzzy logic | Digital Signal Processing (DSP) | Field Programmable Gate Array (FPGA) | Spartan-3AN | truncated multiplier | VHDL | Virtex-4 | Virtex-5

Problem statement: The development cost for Application Specific Integrated Circuits (ASICs) are high, algorithms should be verified and optimized before implementation. The Digital Signal Processing (DSP), image processing and multimedia requires extensive use of multiplication. The truncated multipliers can easily be implemented using Field Programmable Gate Array (FPGA) devices. Approach: This research presented the comparative study of Spartan-3AN, Virtex-4 and Virtex-5 FPGA devices. The implementation of standard and truncated multipliers is done using Very high speed integrated circuit Hardware Description Language (VHDL). Results: Remarkable reduction in FPGA resources, delay and power was achieved using truncated multipliers instead of standard parallel multipliers when the full precision of the standard multiplier is not required. The three devices showed significant improvement for truncated multipliers as compared to standard multipliers. Results showed that the anomaly in Spartan-3AN average connection and maximum pin delay have been efficiently reduced in Virtex-4 and Virtex-5 devices. Conclusion: The Virtex-5 FPGA device showed better performance as compared to Spartan-3AN and Virtex-4 FPGA devices.

Tango Jona
Tangokurs Rapperswil-Jona

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