DATAMATH  CALCULATOR  MUSEUM

Additional Pictures 

 

The printed circuit board (PCB) of the Mr. Challenger makes
use of the TMC0273 single chip microcomputer and an
external TMC0355 (CD2601) 128kBit "Speech-ROM".


horizontal rule

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

Joerg Woerner, February 12, 2005. No reprints without written permission.