US 12,705,466 B2 · Neuromorphic device for parallel processing of spike signals

Abstract

A neuromorphic device comprises a synaptic array including a plurality of word lines and bit lines and including a plurality of synaptic elements coupled to intersections of each of the word lines and the bit lines, a word line signal output unit that sequentially outputs a plurality of word line signals for activating the word lines, a signal pre-processing unit that preprocesses a spike signal to modulates the spike signal into an input signal, a weight summation unit including a plurality of weight summation circuits that respectively output a plurality of output signals obtained by applying respective weighted values stored in the synaptic array to a plurality of input signals input through the signal pre-processing unit, and a data output unit that transmits the output signals output by the weight summation unit respectively to a plurality of output neurons in response to the word line signal.

Claims11

Dependent claims

A neuromorphic device comprising:

a synaptic array including a plurality of word lines and a plurality of bit lines and including a plurality of synaptic elements coupled to intersections of each of the plurality of word lines and each of the plurality of bit lines;
a word line signal output unit that sequentially outputs a plurality of word line signals for activating the plurality of word lines;
a signal pre-processing unit that preprocesses a spike signal to modulate the spike signal into an input signal including a plurality of pulses;
a weight summation unit including a plurality of weight summation circuits that respectively output a plurality of output signals obtained by applying respective weighted values stored in the synaptic array to a plurality of input signals input through the signal pre-processing unit;
and
a data output unit that transmits the plurality of output signals output by the weight summation unit respectively to a plurality of output neurons in response to the plurality of word line signals.

3 more elements

A neuromorphic device comprising:

a synaptic array including M word lines (M is a natural number) and N bit lines (N is a natural number) and including a plurality of synaptic elements coupled to intersections of each of the plurality of word lines and each of the plurality of bit lines, wherein the M word lines are sequentially activated by M word line signals;
a weight summation unit including K weight summation circuits that output respectively output signals obtained by applying respective weighted values stored in the synaptic array to K input signals, each input signal including a plurality of pulses;
and
a data output unit that transmits the K output signals output from the weight summation unit respectively to output neurons for each pulse included in the K input signals in response to the M word line signals,
wherein each of the K input signals includes N pulses.

2 more elements

Dependencies are inferred from the claim text.

Neuromorphic device for parallel processing of spike signals

Life of this patent

Neuromorphic device for parallel processing of spike signals

Life of this patent

Abstract

Claims11