Charge sharing selectors with added logic

Details Charge sharing selectors with added logic Charge sharing selectors with added logic

1999-01-08

2000-11-07

Tokar, Michael

Electronic digital logic circuitry

Function of and, or, nand, nor, or not

Field-effect transistor

326112, 327407, H03K 19094

Patent

active

061442267

ABSTRACT:
The selector circuit rapidly steers an event from a single input to one of two outputs depending on the binary value of a data signal controlling the selector, where events are received at an event input. A selection value, placed at a control input causes the selector circuit to steer the event to one of the outputs. For each change of value at the event input, one or the other of the outputs will change. Which output changes is determined by the selection value applied to the control input. The selector circuit uses variable or dynamic capacitances at the outputs to control which one of the outputs changes in response to an input event. Each node of the selector circuit includes a true line and a complement line. Pass gates are used to either couple the true lines of the outputs together or to couple the true line of each output and the complement line of the other output. The input lines can either control the pass gates or additional logic can be provided, in place of the pass gates, to efficiently include precursor input logic within the selector circuit.

REFERENCES:
patent: 5742182 (1998-04-01), Sutherland
patent: 5783963 (1998-07-01), Garnett et al.
patent: 5828236 (1998-10-01), Zhou
patent: 6023175 (2000-02-01), Nunomiya et al.

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