PC87427 Datasheet, PDF (45/46 Pages) National Semiconductor (TI) – ServerI/O with SensorPathTM Health Monitoring

2.0 Device Characteristics (Continued)
System Watchdog Power-Off / ETC
Symbol Figure
Description
Reference Conditions
Min
t_PBO
22 _{PWBTOUT pulse time}¹
4s
t_PBID
22 _{PWBTIN disable time}¹
After a Power-Off event
1s
PWBTIN
PWBTOUT
ONCTL
V_DD (Power)
t_PBO
t_PBID
Figure 22. Watchdog Power-Off / ETC Timing
Max
4.25 s
1.25 s
Revision 1.0
45
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