DATAMATH  CALCULATOR  MUSEUM

Additional Pictures 

 

The TP0456 microcomputer based Master/Slave architecture found in the TI-55-II 
calculator. The CD4556 forms the Master, the smaller CD4555 the Slave.


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

© Joerg Woerner, February 4, 2006. No reprints without written permission.