US 12,079,709 B2
Neuromorphic system and methodology for switching between functional operations
Chung-Chuan Lo, Hsinchu (TW); Alexander James White, Hsinchu (TW); and Pei-Hsien Liu, Hsinchu (TW)
Assigned to NATIONAL TSING HUA UNIVERSITY, Hsinchu (TW)
Filed by NATIONAL TSING HUA UNIVERSITY, Hsinchu (TW)
Filed on Oct. 21, 2020, as Appl. No. 17/076,783.
Claims priority of application No. 109129785 (TW), filed on Aug. 31, 2020.
Prior Publication US 2022/0067492 A1, Mar. 3, 2022
Int. Cl. G11C 11/54 (2006.01); G06N 3/049 (2023.01); G06N 3/063 (2023.01)
CPC G06N 3/063 (2013.01) [G06N 3/049 (2013.01); G11C 11/54 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A neuromorphic system for switching between a multitude of functional operations, comprising:
a controlling unit providing a first input and a second input and regulating a multitude of bias currents; and a neuron unit electrically connected to the controlling unit and receiving the bias currents, and comprising:
an input neuron group receiving the first input and the second input;
an excitatory neuron group electrically connected to the input neuron group and stimulated by the input neuron group;
an inhibitory neuron group electrically connected to the excitatory neuron group, wherein the inhibitory neuron group and the excitatory neuron group stimulate each other; and
an output neuron electrically connected to the excitatory neuron group and stimulated by the excitatory neuron group to generate an output;
wherein the bias currents control the excitatory neuron group, the inhibitory neuron group and the output neuron to be in one of a high-activity state, a middle-activity state and a low-activity state in order for the neuron unit to be switched to a particular logical gate function operation of the multitude of functional operations.