CEM 3340 chip problems

[Grant Richter]

>
>	Are these chips sensitive to stray capacitance or are they 
>defective. I have heard that these chips have not been  tested but I am 
>surprised that so many seem to have problems. Has  anyone 
>else had problems with these chips?  Is the circuit layout I use for 
>testing  the chips critical? 
>

According to the warning note PAIA used to ship with their experimenters
kits, the CEM chips are very sensitive to stray capacitance, layout, and any
interpin leakage currents such as those caused by solder flux on the board.