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PC87393F Scheda tecnica(PDF) 143 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Il numero della parte PC87393F
Spiegazioni elettronici  100-Pin LPC SuperI/O Devices for Portable Applications
PDF  148 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87393F Scheda tecnica(HTML) 143 Page - National Semiconductor (TI)

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9.0 Device Characteristics (Continued)
143
www.national.com
9.4.6
Modem Control Timing
9.4.7
FDC Write Data Timing
tDRP tICP tWDW Values
Symbol
Parameter
Min
Max
Unit
tL
RI2,1 Low Time
10
ns
tH
RI2,1 High Time
10
ns
tSIM
Delay to Set IRQ from Modem Input
40
ns
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 Width
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 in the Clock Timing section of this chapter.
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
CTS, DSR, DCD
INTERRUPT
(Read MSR)
RI
tSIM
tSIM
tSIM
tH
tL
(Read MSR)
tHDS
tHDH
tWDW
HDSEL
WGATE
WDATA



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