User`s guide

30 Di

ital Simulation

hazard origin information along with the machine state through

all digital devices. When a hazard propagates to a state-storage

device primitive (JKFF, DFF, SRFF, DLTCH, RAM),

PSpice A/D reports a PERSISTENT HAZARD.

Simulation condition messa

PSpice A/D produces warning messages in various situations,

such as those that originate from the digital CONSTRAINT

devices monitoring timing relationships of digital nodes. These

messages are directed to the simulation output file and/or to the

Probe data file for use by Probe. Options are available for

controlling where and how many of these messages are

generated, as summarized later in this section.

Table 14-4

summarizes the simulation message types, with a

brief description of their meaning. Currently, the messages

supported are specific to digital device timing violations and

hazards.