Methods and systems of neuron leaky integrate and fire circuits

A method for configuring a neuron leaky integrate and fire circuit, the method comprising:

• providing an integration circuit having an input capacitor, an integration diode, and an integration capacitor electrically coupled in serial, wherein a first terminal of the input capacitor is electrically coupled to a current input terminal, a second terminal of the input capacitor is electrically coupled to an anode of the integration diode to form a swing node, a cathode of the integration diode is electrically coupled to a first terminal of the integration capacitor to form a neuron membrane potential node, and a second terminal of the integration capacitor is electrically coupled to a ground;
• providing a pull-up circuit having a pull-up diode, wherein an anode of the pull-up diode is electrically coupled to a pull-up input terminal, and a cathode of the pull-up diode is electrically coupled to the swing node;
• providing a leak control circuit having a leak control FET, wherein a gate of the leak control FET is electrically coupled to a leak control input terminal, a drain of the leak control FET is electrically coupled to the neuron membrane potential node, and a source of the leak control FET is electrically coupled to ground;
• coupling a positive input port of an analog comparator to the neuron membrane potential node, a negative input port of the analog comparator being coupled to an input terminal which supplies threshold level of neuron fire;
• providing a reset circuit having a reset FET, wherein a gate of the reset FET is electrically coupled to a reset control circuit, a drain of the reset FET is electrically coupled to the neuron membrane potential node, and a source of the reset FET is electrically coupled to ground;
• and
• coupling an input of a rise edge detector to an output port of the analog comparator, an output port of the rise edge detector being coupled to a fire output terminal of the neuron leaky integrate and fire circuit, wherein the rise edge detector is configured to generate fire pulse by sending out the pulse at the fire output terminal of the neuron leaky integrate and fire circuit when the rise edge detector detects a rise edge of a signal at the output of the analog comparator.