brew-your-own-unibus boards?

From: Ethan Dicks <dickset_at_amanda.spole.gov>
Date: Tue Jan 20 13:43:44 2004

On Tue, Jan 20, 2004 at 11:29:42AM -0800, Michael Sokolov wrote:
> Hmm, 74LS240 for Q-bus? It's just a standard three-state TTL inverting buffer,
> isn't it? For driver, receiver, or both?

I don't recall, but I've seen it on 3rd-party boards where DEC would use
a DC005. Without schematics, I can't guess.

-ethan

-- 
Ethan Dicks, A-130-S      Current South Pole Weather at 20-Jan-2004 19:40 Z
South Pole Station
PSC 468 Box 400       Temp  -8.1 F (-22.3 C)    Windchill      -25.6 F (-32 C)
APO AP 96598          Wind     7 kts Grid 034   Barometer 687.9 mb (10329. ft)
Ethan.Dicks_at_amanda.spole.gov     http://penguincentral.com/penguincentral.html

Received on Tue Jan 20 2004 - 13:43:44 GMT