As a specific improvement to a previously known PLA (Programmed Logic Array) structure, formed by FET devices in serially chained charge transfer circuits, the presently disclosed "modified" PLA structure comprises a combination of: (a) level shifting circuitry, integrated into bit partitioning stages...http://www.google.fr/patents/US4500800?utm_source=gb-gplus-shareBrevet US4500800 - Logic performing cell for use in array structures
