Patent US5321322 - Programmable interconnect architecture without active devices

An integrated, user-programmable interconnect architecture, includes a plurality of input/output pads arranged in a matrix of rows and columns, each of the input/output pads being connected to a first one of its row neighbors and a first one of its column neighbors by a two-state programmable interconnect...http://www.google.de/patents/US5321322?utm_source=gb-gplus-sharePatent US5321322 - Programmable interconnect architecture without active devices

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Programmable interconnect architecture without active devices