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Additional Pictures 

 

Complete Display Scanning Cycle of the TMS0975NL CSP from a Little Professor manufactured in May 1978 displaying " 5+ 4="
and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. TMS0975NL CSP Clock Frequency set to 150 kHz.

Close-up view of the transition between Segment Output O6 (G) and Segment Output O5 (F) of the TMS0975NL CSP showing the Leading and Trailing Segment Blanking Times.


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

© Joerg Woerner, November 12, 2023. No reprints without written permission.