Exclusive-OR gate, an inverted type selector, and adders

Details Exclusive-OR gate, an inverted type selector, and adders Exclusive-OR gate, an inverted type selector, and adders

1995-09-07

1997-11-11

Elmore, Reba I.

Boots, shoes, and leggings

364784, 326 52, 326 55, G06F 750, H03K 1921

Patent

active

056871074

ABSTRACT:
A new type exclusive-OR gate and an inverted type selector are composed using a cascaded connection of two p-type MOSFETs between a positive terminal of a power supply and an signal output terminal, and a cascaded connection of two n-type MOSFETs between a grounded terminal of the power supply and the signal output terminal. Power consumption in the new type exclusive-OR gate and the inverted type selector is reduced by reducing number of conventional inverters used in these circuits. A full-adder and a 4-2 compressor are designed using these new type exclusive-OR gates and inverted selectors or an inverted type selector.

REFERENCES:
patent: 4468574 (1984-08-01), Engeler et al.
patent: 4484091 (1984-11-01), Nagano
patent: 4601007 (1986-07-01), Uya et al.
patent: 4709346 (1987-11-01), Henlin
patent: 4739195 (1988-04-01), Masaki
patent: 4749886 (1988-06-01), Hedayati
patent: 4970677 (1990-11-01), Young
patent: 5233233 (1993-08-01), Inoue et al.
Kanie et al., "4-2 Compressor With Complementary Pass-Transistor Logic", IEICE Trans. Electron., vol. E77(4):647-649, (1994).

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