An associative logic matrix

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Abstract
While retaining the regular interconnection structure of read-only memory and programmable logic array devices, associative logic makes possible the efficient realization of multiple output, multilevel, combinational, and sequential networks. The extreme versatility of associative logic is provided by internal feedback and matrix segmentation, both characteristic features of the new device. Internal feedback permits networks to be realized in two or more logic levels without the need for external output-input connections. It also makes practical the formation of memory circuits within the matrix. Segmentation permits formation of collinear but functionally independent line segments, thereby improving the areal efficiency of monolithic devices. Consideration of associative logic proceeds from a review of logic implementation by means of memory devices and concludes with a description of an associative logic device developed using bipolar technology.

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