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A 120-MHz BiCMOS superscalar RISC processor

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14 Author(s)
Tanaka, S. ; Res. Lab., Hitachi Ltd., Ibaraki, Japan ; Hotta, T. ; Murabayashi, F. ; Yamada, H.
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A superscalar RISC processor contains 2.8 million transistors in a die size of 16.2 mm×16.5 mm, and utilizes 3.3 V/0.5 μm BiCMOS technology. In order to take advantage of superscalar performance without incurring penalties from a slower clock or a longer pipeline, a tag bit is implemented in the instruction cache to indicate dependency between two instructions. A performance gain of up to 37% is obtained with only a 3.5% area overhead from our superscalar design

Published in:
Solid-State Circuits, IEEE Journal of  (Volume:29 ,  Issue: 4 )

Date of Publication: Apr 1994

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