Date: Sat, 1 Nov 1997 20:57:03 -0800 (PST) From: "Jamil J. Weatherbee" <jamil@trojanhorse.ml.org> To: =?iso-8859-1?Q?=DEor=F0ur?= Ivarsson <totii@est.is> Cc: hackers@FreeBSD.ORG Subject: Re: 7400 gates effected by probe routine Message-ID: <Pine.BSF.3.96.971101205441.671A-100000@trojanhorse.ml.org> In-Reply-To: <345BBF14.446B9B3D@est.is>
next in thread | previous in thread | raw e-mail | index | archive | help
Ah... Thanks, What your'e talking about a 7401 (open collector nor) or a 7405 (open collector nand) (TTL Cookbook pg. 137), unfortunately I don't have a choice with this so I probably will just forget the probe routines. > Who does design something like this? There is another 74xx chip with > four nand gates and open collector outputs to do this, I am not sure for > how > long time this will last, but not for long, I think. > > -- > Þórður Ívarsson Thordur Ivarsson > Rafeindavirki Electronic technician > Norðurgötu 30 Nordurgotu 30 > Box 309 Box 309 > 602 Akureyri 602 Akureyri > Ísland Iceland > > --------------------------------------------- > FreeBSD has good features, > Some others are full of unwanted features! > --------------------------------------------- >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.3.96.971101205441.671A-100000>