Dec 8235 IC?

Jay Jaeger cube1 at
Sat Sep 5 21:00:28 CDT 2015

On 9/4/2015 11:10 PM, dwight wrote:

> The idea for using the tristate control for an OC output has been
> used many times before.
> An example is on the SwyftCard for the Apple 2e.
> It needed a OC for the reset as I recall and the PAL used
> that trick.
> The only possible issue is the limited current drive for older
> DTL circuits.
> Dwight

Exactly - whether you can use the trick depends on what is connected to
that OC output.


More information about the cctalk mailing list