74LS240 = 74HCT240 it also gives a 74HC240 but that one has different threshold levels.
j. On Fri, May 31, 2013 at 8:49 PM, Gene Heskett <[email protected]> wrote: > Greetings to yee who are following my sob story.. > > It appears the MOC3052 at least has an led in it, so I replaced the led in > series with it, with no joy. > > Then, trying to use that pocket scope to trouble shoot, I took the hook off > the probe, which leaves the ground ring around the tip exposed, so of > course it accidentally had to touch a real ground, tripping the breaker in > the service box. And of course now the C41 isn't working. So I ordered up > enough parts to shotgun both twice from digikey, including socketing the > LM324's in the MC60 controller, the MOC3052 and all its 2n440x transistors. > > Except one chip on the C41 board, digikey says the 74LS240 is an obsolete > part and didn't suggest a replacement. > > I think I need a beer, this is discouraging. Before I start again when the > chips get here, I need to make an insulator for the end shell of the pocket > scopes probe. > > Cheers, Gene > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author) > My web page: <http://coyoteden.dyndns-free.com:85/gene> is up! > My views > <http://www.armchairpatriot.com/What%20Has%20America%20Become.shtml> > Kissing a fish is like smoking a bicycle. > A pen in the hand of this president is far more > dangerous than 200 million guns in the hands of > law-abiding citizens. > > > ------------------------------------------------------------------------------ > Get 100% visibility into Java/.NET code with AppDynamics Lite > It's a free troubleshooting tool designed for production > Get down to code-level detail for bottlenecks, with <2% overhead. > Download for free and get started troubleshooting in minutes. > http://p.sf.net/sfu/appdyn_d2d_ap2 > _______________________________________________ > Emc-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-developers > ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite It's a free troubleshooting tool designed for production Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://p.sf.net/sfu/appdyn_d2d_ap2 _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
