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Push-Pull Multi-Level Driver Circuit for Input-Output Bus

IP.com Disclosure Number: IPCOM000064873D
Original Publication Date: 1985-Sep-01
Included in the Prior Art Database: 2005-Feb-19

Publishing Venue

IBM

Related People

Authors:
Askin, HO Cavalier, JR Ho, BK [+details]

Abstract

To minimize the amount of input-output wiring required between circuits and modules, multilevel busses are used where four distinct voltage level states substitute for the common binary (two-state) levels. By this means two circuit outputs can share a common line. The push-pull driver circuit described performs the output function in such a multilevel arrangement and does it with a minimum of circuit components and area requirements of the semiconductor chip.