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PC87351 Scheda tecnica(PDF) 84 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Il numero della parte PC87351
Spiegazioni elettronici  PC87351 PC98 and ACPI Compliant SuperI/O with System Wake-Up Control
PDF  86 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87351 Scheda tecnica(HTML) 84 Page - National Semiconductor (TI)

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11.0 Device Characteristics (Continued)
84
www.national.com
11.2.12 Standard Parallel Port Timing
Typical Data Exchange
11.2.13 Enhanced Parallel Port Timing
Symbol Parameter
Conditions
Typ
Max
Unit
tPDH
Port Data Hold
These times are system dependent
and are therefore not tested.
500
nsec
tPDS
Port Data Setup
These times are system dependent
and are therefore not tested.
500
nsec
tSW
Strobe Width
These times are system dependent
and are therefore not tested.
500
nsec
Symbol
Parameter
Min
Max
EPP 1.7 EPP 1.9
Unit
tWW19a
WRITE Active from WAIT Low
45
nsec
tWW19ia
WRITE Inactive from WAIT Low
45
nsec
tWST19a
DSTRB or ASTRB Active from WAIT Low
65
nsec
tWEST
DSTRB or ASTRB Active after WRITE Active
10
nsec
tWPDH
PD7-0 Hold after WRITE Inactive
0
nsec
tWPDS
PD7-0 Valid after WRITE Active
15
nsec
tEPDW
PD7-0 Valid Width
80
nsec
tEPDH
PD7-0 Hold after DSTRB or ASTRB Inactive
0
nsec
tPDS
tPDH
tSW
BUSY
ACK
PD7-0
STB
WRITE
DSTRB
ASTRB
PD7-0
WAIT
Valid
tWW19ia
tWPDH
tEPDH
tEPDW
or
tWW19a
tWST19a
tWPDS
tWEST
tWST19a



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