A complementary GaAs (CGaAs/sup TM/) 32-bit multiply accumulate unit

Kelley, Michael J.; Postiff, Matthew; Strong, T.D.; Brown, Richard B.; Mudge, Trevor

doi:10.1109/acssc.1997.679155

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“…As in CMOS, many logic styles can be realized in CGaAs, including Complementary, Source-Coupled FET Logic (SCFL), Domino, Dual-Rail Domino, Differential Cascode Voltage Switch Logic (DCVSL), and Pseudo-Direct Coupled FET Logic (P-DCFL) [3]. We evaluated Domino logic through the design of a PowerPC ALU [1], and DCVSL through the design of a multiplyaccumulate unit [7]. Because of its low power dissipation, excellent radiation hardness, and compatibility with available design tools, we selected Complementary as the main logic family for the PUMA FXU.…”

Section: Cgaas Overviewmentioning

confidence: 99%

CGaAs PowerPC FXU

Drake

Basso

Gold

et al. 2000

Proceedings of the 37th Conference on Design Automation - DAC '00

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The development of a PowerPC TM fixed-point execution unit (FXU) in a resource limited, radiation-hard technology is described. Detailed architectural studies led to a design which maximizes performance in a small transistor count implementation. Manufactured in Motorola's 0.5−µm Complementary Gallium Arsenide process, the device operates from 0.9 to 1.9 V with a nominal frequency of 25 MHz at 1.3 V, dissipating 274 mW.

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Section: Cgaas Overviewmentioning

confidence: 99%