Best way to toast TTL

woodelf bfranchuk at jetnet.ab.ca
Sat Sep 1 21:00:54 CDT 2007


Grant Stockly wrote:

> What I'm wondering is if anyone knows how I can prematurely kill a TTL 
> device or simulate static failure.

Well Just look for the MAGIC SMOKE floating around the room,
ITS DEAD JIM :)


   I'd like to try to test how
> thoroughly the programmer tests the chips.  It can't tell the difference 
> between a 7410 and 7412, but that isn't too important for knowing the 
> chip works (mostly)

 From what I remember reading about bad chips is that they did not meet
AC measurements not DC ones. The flip/flop works great a 1 MHz but not
20Mhz like the spec sheet states.

> On a second note, I have successfully over clocked my Kenbak 500%.  Its 
> running happily at 5MHz.  : )  Although it gets a lot hotter!  I need 
> heat sinks...

God what next ... 12 bits?
Ben alias woodelf




More information about the cctalk mailing list