Arithmetic logic unit utilizing strobed gates

Details Arithmetic logic unit utilizing strobed gates Arithmetic logic unit utilizing strobed gates

1985-09-16

1988-06-21

Harkcom, Gary V.

Boots, shoes, and leggings

307448, 307471, 307472, G06F 738, G06F 750, H03K 1900

Patent

active

047529016

ABSTRACT:
An arithmetic logic unit capable of performing AND, OR, exclusive-OR, and add functions is implemented utilizing strobed gates. An input section receives first and second inputs, each capable of assuming first and second states, and generates a first output indicating that at least one of the inputs is in a first state and a second output indicating that both inputs are in the first state. First, second and third strings of field-effect-transistors controlled by a plurality of control signals are selectively enabled respectively when at least one of the inputs is in the first state, all of the inputs are in the first state, or when only one of the inputs is in the first state. The circuit includes an output section and a circuit for generating a carry-out signal when the inputs so require.

REFERENCES:
patent: 4049974 (1977-09-01), Boone et al.
patent: 4349888 (1982-09-01), Smith
patent: 4417314 (1983-11-01), Best

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