Bit-Serial Neural Networks

Part of Neural Information Processing Systems 0 (NIPS 1987)

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Alan Murray, Anthony Smith, Zoe Butler


A bit - serial VLSI neural network is described from an initial architecture for a synapse array through to silicon layout and board design. The issues surrounding bit - serial computation, and analog/digital arithmetic are discussed and the parallel development of a hybrid analog/digital neural network is outlined. Learning and recall capabilities are reported for the bit - serial network along with a projected specification for a 64 - neuron, bit - serial board operating at 20 MHz. This tech(cid:173) nique is extended to a 256 (2562 synapses) network with an update time of 3ms, using a "paging" technique to time - multiplex calculations through the synapse array.