DP83953VUL National Semiconductor, DP83953VUL Datasheet - Page 78

• Manufacturer Part Number: DP83953VUL
• Description: IC CTRLR RIC REPEATER 160-PQFP
• Manufacturer: National Semiconductor

Specifications of DP83953VUL

• Controller Type: Ethernet Repeater Interface Controller
• Interface: IEEE 802.3
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 870mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 160-MQFP, 160-PQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *DP83953VUL

9.0 DC and AC Specification
AC Specifications
Port Arbitration Timing
Note 1:
Note 2:
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
Number
T3a
T4a
T5a
T6a
T1
T2
Timing valid with no receive or collision activities.
In these diagrams the Inter-RIC and Management Busses are shown using active high signals. Active low signals may also be used. See section
ackilackol
ackihackoh
rxaackol
rxiackoh
rxaactna
rxiactni
Symbol
Symbol
ACKI low to ACKO low
ACKI high to ACKO high
RX active to ACKO low
RX inactive to ACKO high
RX active to ACTNd active
RX inactive to ACTNd inactive
(Continued)
Parameter
Parameter
78
Min
Min
Max
Max
325
105
325
24
21
66
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Units
Units
ns
ns
ns
ns
ns
ns