DP83955AV National Semiconductor, DP83955AV Datasheet - Page 43
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DP83955AV
Manufacturer Part Number
DP83955AV
Description
IC CTRLR RIC REPEATER 100-PQFP
Manufacturer
National Semiconductor
Series
LERIC™r
Datasheet
1.DP83955AV.pdf
(54 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DP83955AV
Manufacturer:
NS/国半
Quantity:
20 000
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