Low-voltage CMOS circuits for analog decoders

Details Low-voltage CMOS circuits for analog decoders Low-voltage CMOS circuits for analog decoders

2005-02-10

2008-08-26

Ngo, Chuong D (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

C708S835000, C714S755000

Reexamination Certificate

active

07418468

ABSTRACT:
Low-voltage CMOS (Complementary Metal Oxide Semiconductor) circuits, suitable for analog decoders, for example, are provided. The circuits include multiplier modules that receive first input signals and respective ones of a plurality of second input signals. Each multiplier module generates as output signals products of the first input signals and its respective second input signals. Dummy multiplier modules that respectively correspond to the multiplier modules receive the second input signals, and each dummy multiplier module forms products of the second input signal of its corresponding multiplier module and the other second input signals. The dummy multiplier modules reduce the overall voltage requirements of the circuit, thereby providing for low-voltage operation. In some embodiments, a connectivity module receives output signals from the multiplier modules and generates as output signals sums of predetermined ones of the output signals, and a renormalization module receives and normalizes the output signals from the connectivity module to generate output signals that sum to a predetermined unit value.

REFERENCES:
patent: 5115409 (1992-05-01), Stepp
patent: 5712810 (1998-01-01), Kimura
patent: 6584486 (2003-06-01), Helfenstein et al.
patent: 7024448 (2006-04-01), Matsugaki et al.

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