PSpice User Guide

PSpice User Guide

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PSpice User Guide Digital simulation October 2019 619 Product Version 17.4-2019 © 1999-2019 All Rights Reserved. For example, a FILESTIMn part can be used to reset a counter, which could appear as shown in Figure 14-1 below. In this case, the FILESTIM1 part instance, U2, generates a reset signal to the CLR pin of the 74393 counter. To set up the U2 stimulus The following steps set up the U2 stimulus so that the 74393 counter is cleared after 40 nsec have elapsed in a transient analysis. 1. Create a stimulus file named RESET.STM that contains the following lines: Reset 0ns 1 40ns 0 The header line contains the names of all signals described in the file. In this case, there is only one: Reset. PSPICEDEFAULTNET Hidden digital power and ground pins used by the interface subcircuit. Name of the default net to use. Table 14-8 FILESTIMn part properties Property Description Figure 14-1 FILESTIM1 used on a schematic page.

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