A radial basis function neural network with on-chip learning

A radial basis function neural network is implemented in a 0.8 /spl mu/m Flash EPROM CMOS technology. The RBF network is used to estimate probability density functions for the purpose of pattern recognition. At 40 MHz this 3.7 M transistor chip performs 20 billion 5 b integer subtract and accumulate operations/s and 160 MFLOPS.