M68000_microcomputer_interface

Published:2009/7/24 11:41:00 Author:Jessie | From:SeekIC

This circuit shows interface between an M68000 and resistive or inductive loads, using MOC3031 and MOC3041 optoisolators. The zero-crossing feature of these optoisolators extends life of incandescent lamps, reduces triac surge-current strains, and reduces EMI, as described for the circuit of Fig. 6-39 (but without the need for a timing circuit at the 7400 gate inputs). Motorola Thyristor Device Data, 1991, p. 1-6-16.



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