An Area-Efficient Integrate-and-Fire Neuron Circuit with Enhanced Robustness against Synapse Variability in Hardware Neural Network

Figure 4

Transient analyses on the integrate-and-fire operations of the neuron circuit at different synaptic states: (a) low-resistance state (LRS); (b) high-resistance state (HRS); (c) combined state (both LRS and HRS are mixed); (d), (e), and (f) are the fluctuation percentages corresponding to the results in (a) through (c), respectively.

(a)

(b)

(c)

(d)

(e)

(f)