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PC8374T Datasheet(PDF) 43 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC8374T
Description  SafeKeeper Desktop Trustedl/O
PDF  48 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC8374T Datasheet(HTML) 43 Page - National Semiconductor (TI)

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2.0 Device Characteristics (Continued)
Revision 1.1
43
www.national.com
Main Power Good
Power Distribution Control
Figure 14. BKFD_CUT and LATCHED_BF_CUT (AC Characteristics)
Symbol Figure
Description
Reference Conditions
Min
Max
Units
tPSD
−
Low-to-High Delay1
1. Not tested. Guaranteed by design.
After RE of PWRGD_PS
100
120
ms
tS3D
−
High-to-Low Delay1
After FE of SLP_S3
20
ns
tR
−
PWRGD_3V Rise Time1
0.8V to 2.0V
50
ns
tF
−
PWRGD_3V Fall Time1
2.0V to 0.8V
50
ns
Symbol Figure
Description
Reference Conditions
Min
Max
Units
tPB
−
BKFD_CUT Propagation Delay1
1. Not tested. Guaranteed by design.
PWRGD_PS or SLP_S3 to BKFD_CUT
1
µs
tTB
−
BKFD_CUT Transition Time1
0.8V to 2.0V
50
ns
tPL
14
LATCHED_BF_CUT Propagation
Delay1
BKFD_CUT or SLP_S5 to
LATCHED_BF_CUT
1
µs
tTL
14
LATCHED_BF_CUT Transition Time1 0.8V to 2.0V
50
ns
0.8V
1.4V
2.0V
SLP_S5
BKFD_CUT
LATCHED_BF_CUT
tPL
tTL
0.8V
tPL
1.4V
tTL
2.0V
tPL
tPL



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