DP83950BNU NSC [National Semiconductor], DP83950BNU Datasheet - Page 67

• Manufacturer Part Number: DP83950BNU
• Manufacturer: NSC [National Semiconductor]

9 0 AC and DC Specifications
DC Specifications
Note 1 This parameter is guaranteed by design and is not tested
Note 2 The operation in Reduced Mode is not guaranteed below 300 mV
AC Specifications
PORT ARBITRATION TIMING
Note Timing valid with no receive or collision activities
Note 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
Symbol
PSEUDO AUI (PORTS 2–13)
V
V
V
V
V
TWISTED PAIR (PORTS 2–13)
V
POD
POB
PU
PDS
PCM
RON
Number
T1
T2
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
ackilackol
ackihackoh
Symbol
Description
g
g
T
)
g
A
g
CD
)
e
CD
g
0 C to
) (Note 1)
g
)
g
a
)
70 C V
ACKI Low to ACKO Low
ACKI High to ACKO High
(Continued)
CC
Parameter
e
270
1 k
270
1 k
270
1 k
Normal Mode
Reduced Mode
5V
67
g
Conditions
Pulldowns
Pulldowns
Pulldowns
Termination and
Termination and
Termination and
5% unless otherwise specified (Continued)
Min
(Note 2)
g
b
g
TL F 11096 – 22
Min
450
175
300
0
Typical 40 mV
Typical 80 mV
Max
24
21
g
b
g
g
Max
5 5
1200
300
585
340
Units
ns
ns
Units
mV
mV
mV
mV
V