Norton_OR_gate_and_NOR_gate_with_high_fan_out

Published:2009/7/17 4:36:00 Author:Jessie | From:SeekIC

This circuit uses one section of an LM3900 to form an OR gate with a fan out of 50 gates (if each gate has a 75-kΩ input resistor). More than three inputs can be OR' ed if desired. The circuit can be converted to a NOR gate when the inputs are interchanged. National Semiconductor Linear Applications Handbook 1991, p 240



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