Patent ID: 6452237
Filing Date: 2002-09-17
Classification: G06N,H01L

Abstract:
A neuron device comprising:at least one threshold circuit, each threshold circuit comprising a first power supply line and a second power supply line, both connecting with a power source, a plurality of synapse elements, each of said synapse elements having a transistor set made of a series connection of a first MIS transistor and a second MIS transistor, both having the same channel type, at least one of third MIS transistor having the complementary channel type to the first and second MIS transistors, and an output inverter, the first MIS transistor adjusting an effective &bgr;-value of the transistor set according to voltage of a first input signal provided to the gate electrode of the first MIS transistor, and the second MIS transistor switching the transistor set according to a second input signal provided to the gate electrode of the second MIS transistor, wherein the third MIS transistor is connected to the first power supply line with its source electrode and to the second power supply line with its gate electrode, the plurality transistor sets are connected with each other in parallel and the transistor sets are connected to the second power supply line with their source electrodes and to the drain electrode of the third MIS transistor with their drain electrodes, and the drain electrodes are connected with an input terminal of the output inverter.