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PC87351 Datasheet(PDF) 76 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87351
Description  PC87351 PC98 and ACPI Compliant SuperI/O with System Wake-Up Control
PDF  86 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87351 Datasheet(HTML) 76 Page - National Semiconductor (TI)

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11.0 Device Characteristics (Continued)
76
www.national.com
11.2.3
Host Interface I/O Cycle Timing
1. Not tested. Guaranteed by design.
2. Applicable for EPP mode only.
Symbol
Parameter
Min
Max
Unit
tAR
Valid Address to Read Active
18
nsec
tAW
Valid Address to Write Active
18
nsec
tDH
Data Hold
0
nsec
tDS
Data Setup
18
nsec
tHZ
Read to Floating Data Bus1
13
25
nsec
tRA
Address Hold from Inactive Read
0
nsec
tRCU
Read Cycle Update1
45
nsec
tRD
Read Strobe Width
60
nsec
tRDH
Read Data Hold
10
nsec
tRI
Read Strobe to Clear IRQ
55
nsec
tRVD
Active Read to Valid Data
55
nsec
tWA
Address Hold from Inactive Write
0
nsec
tWCU
Write Cycle Update1
45
nsec
tWI
Write Strobe to Clear IRQ
55
nsec
tWR
Write Strobe Width
60
nsec
RC
Read Cycle = tAR + tRD + tRCU
1
123
nsec
WC
Write Cycle = tAW + tWR + tWC
1
123
nsec
tWRR
RD low after WR high1
80
nsec
tRDYA
RD/WR active to IOCHRDY active2
0
24
nsec
tRDYI
WAIT inactive to IOCHRDY inactive2
40
nsec
tRWI
IOCHRDY inactive to RD/WR inactive2
10
nsec



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