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PC87372 Datasheet(PDF) 135 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87372
Description  LPC SuperI/O with Glue Functions
PDF  144 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87372 Datasheet(HTML) 135 Page - National Semiconductor (TI)

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10.0 Device Characteristics (Continued)
135
www.national.com
Revision 1.2
10.4.5 FDC Timing
FDC Write Data Timing
tDRP tICP tWDW Values
Symbol
Parameter
Min
Max
Unit
tHDH
HDSEL Hold from WGATE Inactive1
1. Not tested. Guaranteed by design.
100
µs
tHDS
HDSEL Setup to WGATE Active1
100
µs
tWDW
Write Data Pulse Width1
See tDRP,tICP and tWDW values in table below
Data Rate
tDRP
tICP
tICP Nominal
tWDW
tWDW Minimum
Unit
1 Mbps
1000
6xtCP
1
1. tCP is the clock period defined for CLOCKI in Clock Timing on page 131.
125
2 x tICP
250
ns
500 Kbps
2000
6xtCP
1
125
2 x tICP
250
ns
300 Kbps
3333
10 x tCP
1
208
2 x tICP
375
ns
250 Kbps
4000
12 x tCP
1
250
2 x tICP
500
ns
2.0V
1.4V
tF
0.8V
2.0V
Reset Outputs
VDD3 = 3.3V ±10%
tPDF
PCI_RESET
PCIRST_OUT2
IDE_RSTDRV
PCIRST_OUT,
tPDR
1.4V
tR
0.8V
tHDS
tHDH
tWDW
HDSEL
WGATE
WDATA



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