US 10,255,205 B1 · System and methods for mixed-signal computing

Abstract

Systems and methods of implementing a mixed-signal integrated circuit includes sourcing, by a reference signal source, a plurality of analog reference signals along a shared signal communication path to a plurality of local accumulators; producing an electrical charge, at each of the plurality of local accumulators, based on each of the plurality of analog reference signals; adding or subtracting, by each of the plurality of local accumulators, the electrical charge to an energy storage device of each of the plurality of local accumulators over a predetermined period; summing along the shared communication path the electrical charge from the energy storage device of each of the plurality of local accumulators at an end of the predetermined period; and generating an output based on a sum of the electrical charge from each of the plurality of local accumulators.

Claims20

Dependent claims

A mixed-signal integrated circuit comprising:

a reference signal source that generates a plurality of analog reference signals based on digital input,
wherein an output terminal of the reference signal source is electrically connected to a shared signal path, and wherein the reference signal source sources the plurality of analog reference signals to the shared signal path;
a plurality of local signal accumulators arranged along the shared signal path and each of the plurality of local signal accumulators having an input terminal electrically connected to the shared signal path, wherein each of the plurality of local signal accumulators:
collects, via the shared signal path, the plurality of analog reference signals from the reference signal source;
and
stores a sum of the plurality of electrical charges over a predetermined number of clock cycles.

3 more elements

A method of implementing a mixed-signal computing circuit, the method comprising:

sourcing, by a global reference signal source, a plurality of analog reference signals along a shared signal communication path to a plurality of local accumulators;
producing a plurality of electrical charges, at each of the plurality of local accumulators, based on the plurality of analog reference signals;
adding or subtracting, by each of the plurality of local accumulators, each of the plurality of electrical charges to an energy storage device associated with each of the plurality of local accumulators over a predetermined period;
and
generating, by each of the plurality of local accumulators, an output based on a sum of the plurality of electrical charges.

2 more elements

Dependencies are inferred from the claim text.

System and methods for mixed-signal computing

Life of this patent

System and methods for mixed-signal computing

Life of this patent

Abstract

Claims20