DP83955AV National Semiconductor, DP83955AV Datasheet - Page 43

• Manufacturer Part Number: DP83955AV
• Description: IC CTRLR RIC REPEATER 100-PQFP
• Manufacturer: National Semiconductor
• Series: LERIC™r

Specifications of DP83955AV

• Controller Type: LitE Repeater Interface Controller
• Voltage - Supply: 5V
• Current - Supply: 250mA
• Mounting Type: Surface Mount
• Package / Case: 84-LCC (J-Lead)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Operating Temperature: -
• Interface: -
• Other names: *DP83955AV

PSEUDO AUI (PORTS 2–7)
TWISTED-PAIR (PORTS 2–7)
9 0 DC Specifications
Note 1 This parameter is guaranteed by design and is not tested
10 0 Switching Characteristics
PORT ARBITRATION TIMING
Note Timing valid with no receive or collision activities
RECEIVE TIMING AUI PORTS
Receive activity propagation start up and end delays for ports in non 10BASE-T mode
Note ACKI assumed high
Note 1 This time includes EOP
Note 2 This parameter assumes squelch triggers on negative edge of RX data
V
V
V
V
V
V
Symbol
POD
POB
PU
PDS
PCM
RON
rxaackol
rxiackoh
rxaactnl
rxiactnh
Symbol
ackilackol
ackihackoh
Symbol
Differential Output
Voltage (TX
Differential Output Voltage
Imbalance (TX
Undershoot Voltage (TX
Differential Squelch
Threshold (RX
Differential Input
Common Mode Voltage
(RX
Minimum Receive Squelch Threshold
Normal Mode
Reduced Mode
g
Number
CD
T3a
T4a
T5a
T6a
g
Number
g
) (Note 1)
Description
T1
T2
)
g
g
)
CD
T
g
A
)
e
g
RX Active to ACKO Low
RX Inactive to ACKO High (Note 1)
RX Active to ACTN Low
RX Inactive to ACTN High (Note 1)
0 C to
)
ACKI Low to ACKO Low
ACKI High to ACKO High
a
70 C V
Parameter
Parameter
CC
270
1 k
270
and 1 k
270
and 1 k
43
e
5V
Conditions
Pulldowns
Termination and
Termination
Termination
g
5% unless otherwise specified (Continued)
Pulldowns
Pulldowns
Min
Min
TL F 11240 – 20
TL F 11240 – 21
b
g
g
g
Min
450
175
300
175
0
Max
26
23
Max
235
235
66
75
Typical
Typical
g
40 mV
80 mV
b
g
g
Max
5 5
1200
300
585
300
Units
Units
ns
ns
ns
ns
ns
ns
Units
mV
mV
mV
mV
V