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A 32-word by 32-bit three-port bipolar register file implemented using a SiGe HBT BiCMOS technology

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2 Author(s)
S. A. Steidl ; Sierra Monolithics Inc., Redondo Beach, CA, USA ; J. F. McDonald

Describes a novel system level design for a 32-word by 32-bit bipolar register file with two read ports and one write port. The register file is implemented using a SiGe HBT BiCMOS technology and emitter-coupled logic (ECL)-style circuits. It has dimensions of 1.0 mm by 1.8 mm. The read access time for the register Me is between 340 and 350 ps using read port A, while the read access time using read port B is between 360 and 380 ps. Read access times as low as 290 ps were measured for some columns, however. The write access time for the register file is between 250 and 340 ps, using a write enable pulse with a width between 130 and 170 ps. The estimated register file power dissipation is 4.7 W using a 4.5-V supply

Published in:

IEEE Journal of Solid-State Circuits  (Volume:37 ,  Issue: 2 )