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PC87413 датащи(PDF) 250 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали PC87413
подробное описание детали  LPC ServerI/O for Servers and Workstations
PDF  257 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87413 датащи(HTML) 250 Page - National Semiconductor (TI)

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11.0 Device Characteristics (Continued)
www.national.com
250
Revision1.2
11.5.8
Parallel Port Timing
Standard Parallel Port Timing
Typical Data Exchange
Enhanced Parallel Port Timing
Symbol
Parameter
Conditions
Typ
Max
Unit
tPDH
Port Data Hold
These times are system dependent
and therefore are not tested.
500
ns
tPDS
Port Data Setup
These times are system dependent
and therefore are not tested.
500
ns
tSW
Strobe Width
These times are system dependent
and therefore are not tested.
500
ns
Symbol
Parameter
Min
Max
EPP 1.7 EPP 1.9
Unit
tWW19a
WRITE Active from WAIT Low
45
✔
ns
tWW19ia
WRITE Inactive from WAIT Low
45
✔
ns
tWST19a
DSTRB or ASTRB Active from WAIT Low
65
✔
ns
tWEST
DSTRB or ASTRB Active after WRITE Active
10
✔✔
ns
tWPDH
PD7-0 Hold after WRITE Inactive
0
✔✔
ns
tWPDS
PD7-0 Valid after WRITE Active
15
✔✔
ns
tEPDW
PD7-0 Valid Width
80
✔✔
ns
tEPDH
PD7-0 Hold after DSTRB or ASTRB Inactive
0
✔✔
ns
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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