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Additional Pictures 

 

Complete Display Scanning Cycle of the TMS1875NC from a Heathkit IC-2008 manufactured in March 1972 displaying "-1230.567"
and captured with the Digilent Digital Discovery connected to the DCM50A Platform. TMS1875NC Clock Frequency set to 250 kHz.
Please notice the modified leading-zero suppression with "small zeros" at Digit Positions D10, D9, and D8.

Close-up view of the transition between Digit D8 displaying "1" and Digit D7 displaying "2" of the TMS1875NC showing the Leading and Trailing Digit Blanking Times.


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

Joerg Woerner, March 25, 2023. No reprints without written permission.