Additional Pictures 


An early SR-16 with only two
digit drivers.

A later SR-16 with a whole bunch
of additional diodes.

A later SR-10 with a similar arrangement
of the components for your reference.

First TMS1000 in a SR-16 introduced in the year 1974 and a late 
"TP0456 Single-chip calculator IC" based on the CMOS version of the TMS1000.

The final design of the SR-16 replaced lots of components 
by simple wires. Please notice the different display type.

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, March 25, 2002. No reprints without written permission.