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DP83953 Datasheet(PDF) 78 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DP83953
Description  Repeater Interface Controller with Security Features, Internal Drivers and Integrated Filters
PDF  90 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83953 Datasheet(HTML) 78 Page - National Semiconductor (TI)

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9.0 DC and AC Specification (Continued)
AC Specifications
Port Arbitration Timing
Note 1:
Timing valid with no receive or collision activities.
Note 2:
In these diagrams the Inter-RIC and Management Busses are shown using active high signals. Active low signals may also be used. See section
5.5 Mode Load Operation?
Receive Timing AUI Port
Receive activity propagation start up and end delays for AUI port
Note: ACKI assumed high
Number
Symbol
Parameter
Min
Max
Units
T1
T2
ackilackol
ackihackoh
ACKI low to ACKO low
ACKI high to ACKO high
24
21
ns
ns
Number
Symbol
Parameter
Min
Max
Units
T3a
T4a
rxaackol
rxiackoh
RX active to ACKO low
RX inactive to ACKO high
66
325
ns
ns
T5a
T6a
rxaactna
rxiactni
RX active to ACTNd active
RX inactive to ACTNd inactive
105
325
ns
ns



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