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Additional Pictures 

 

Complete Display Scanning Cycle of the µPD274 from a Prinztronic Asset manufactured in January 1975 displaying "-104.679"
and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. µPD274 Clock Frequency at 60 kHz.
Close-up view of the transition between Digit D3 displaying "6" and Digit D4 displaying "4" of the µPD274 showing the Trailing Digit and Segment Blanking Times.


If you have additions to the above article please email: joerg@datamath.org.

© Joerg Woerner, May 3, 2025. No reprints without written permission.