HP-Bench-Briefs-1996-01-03.pdf | | HEWLETT
PACKARD
SERVICE INFORMATION FROM HEWLETT-PACKARD
1st Quarter 1996
Failure Modes o Qigital ICs
b
Jim BechtoldlHewlett-Packard Open Output Bond cause all inputs driven by that output
to float to a bad level since 1.5 volts is
In the case of an open output bond (Fig- less than the high threshold level of 2.0
In order to troubleshoot efficiently, it
ure l),the inputs driven by that output volts and greater than the low thresh-
is important to understand the type of
are left to float. In TTL and DTL circuits |