DP83256VF National Semiconductor, DP83256VF Datasheet - Page 113
![no-image](/images/manufacturer_photos/0/4/469/national_semiconductor_sml.jpg)
DP83256VF
Manufacturer Part Number
DP83256VF
Description
IC FDDI LAYER CTRLR 160PQFP
Manufacturer
National Semiconductor
Series
PLAYER+™r
Datasheet
1.DP83256VF.pdf
(144 pages)
Specifications of DP83256VF
Controller Type
physical layer controller
Voltage - Supply
4.75 V ~ 5.25 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
160-BFQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Supply
-
Interface
-
Other names
*DP83256VF
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7 0 Electrical Characteristics
DC Electrical Characteristics for All 100K ECL Compatible Inputs
The following signals are covered PMD Indicate Data (PMID) Receive Clock In (RXC IN) Receive Data In (RXD IN) and
Signal Detect (SD)
Note 1 Both inputs of each differential pair are tested together These specifications guarantee that the inputs are compatible with standard 100K ECL voltage
level outputs
Note 2 V
DC Electrical Characteristics for 100K ECL Compatible Outputs
The following signals are covered PMD Request Data (PMRD) and Transmit Clock (TXC)
DC Electrical Characteristics for Alternate PMD ECL Outputs
The following signals are covered Receive Clock Out (RXC OUT) and Receive Data Out (RXD OUT)
Note 3 It is recommended that RXC OUT
RXD OUT
Supply Current Electrical Characteristics
included in the PLAYER
Since the outputs are differential the average output level is V
through the 50
As a result the termination for each pair of active ECL outputs typically consumes 30 mA time averaged
V
V
V
V
Symbol
V
V
I
Symbol
Symbol
I
ECL I
ANALOG I
Note The PLAYER
IN
CC
DIFF
CM
OH
OL
OH
OL
V
V
I
LOAD
Symbol
OH
OL
CM
CC
max
e
e
max
e
b
is measured from the crossover point of the 300 mV differential test input
0 015A
15 mA
always be used together as a differential pair
(V
e
e
CC
CC
resistor is
V
V
Output High Voltage
Output Low Voltage
Output High Voltage
Output Low Voltage
Input Voltage Differential
Common Mode Voltage
Input Current
CC
CC
b
a
1 25)
b
device has multiple pairs of differential ECL outputs that need to be terminated The additional current needed for this termination is not
b
a
Parameter
Parameter
’s total supply current but can be calculated as follows
1 62V
0 88V
Parameter
b
Total Supply
ECL Supply Current
ANALOG Supply Current
(V
CC
b
Parameter
2) 50
a
and RXC OUT
V
V
V
V
(Note 3)
IL
IH
IL
IH
e
e
e
e
Conditions
Conditions
(Note 1)
V
(Notes 1 2)
V
(Continued)
DIFF
IN
V
V
V
V
CC
CC
CC
CC
CC
Conditions
b
e
b
always be used together as a differential pair It is recommended that RXD OUT
e
b
b
b
b
V
1 25V The test load per output is 50
CC
LBC1
LBC1
LBC1
1 810
1 810
300 mV
0 880
0 880
or GND
Conditions
113
e
e
e
12 5 MHz
12 5 MHz
12 5 MHz
V
V
V
V
CC
CC
CC
CC
V
Min
Min
b
b
b
b
CC
b
1 025
1 810
1 155
1 810
Min
150
200
b
2 0
Min
at V
Typ
Typ
CC
Typ
b
200
Typ
20
2V therefore the external load current
V
V
V
V
CC
CC
CC
CC
V
CC
Max
Max
b
b
b
b
Max
200
350
b
Max
0 880
1 620
0 880
1 550
0 5
Units
Units
Units
Units
a
mA
mA
mA
mV
V
V
V
V
V
A
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