UNIBUS/QBUS interface chips Was: Re: MEM11 update

Eric Smith spacewar at gmail.com
Mon Dec 5 18:55:14 CST 2016

On Mon, Dec 5, 2016 at 4:35 PM, Toby Thain <toby at telegraphics.com.au> wrote:

> Has anyone looked at the TI Signal Switch family for QBus? (hat tip Ian
> Finder)

I use those for interfacing 5V TTL-compatible stuff to 3.3V logic.

It doesn't really solve the major Qbus problems.  In particular, it doesn't
help with either the receiver threshold or the drive requirements.

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