On 1/25/07, Al Kossow <aek at bitsavers.org> wrote:
> Bus transceiver chips for Q-bus and Unibus
The answer is 7406.
For a very small value of "Q-bus and Unibus"
Read the Unibus Handbook for the reasons why.
You can always parallel two gates for a "big" value of Q-bus.
I read only Q-bus though.