dp83241 National Semiconductor Corporation, dp83241 Datasheet - Page 7

• Manufacturer Part Number: dp83241
• Description: Cdd Device Fddi Clock Distribution Device
• Manufacturer: National Semiconductor Corporation

4 0 Electrical Characteristics
4 1 ABSOLUTE MAXIMUM RATINGS
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Storage Temperature
TTL Signals
4 2 RECOMMENDED OPERATING CONDITIONS
Note 1 TTL outputs include LBC1 LBC2 LBC3 LBC4 LBC5 and LSC
4 3 DC ELECTRICAL CHARACTERISTICS
For 100k ECL output buffers output levels are specified as
Since the outputs are differential the average output level is V
50X resistor is thus
I Load
There are 2 pairs of differential ECL signals so the total ECL current is 60 mA
V
V
V
I
I
F
F
T
Symbol
V
V
V
I
I
I
I
I
OH
OL
Includes 60 mA due to external ECL termination of two differential signals
I
IH
IL
Filter
CC
CC
IH
IL
VCO
REF
A
V
V
IC
OH
OL
Inputs
Outputs
Symbol
OH
OL
to GND
Max
e
e
Max
e
0 015 Amps
15 mA
(V
e
e
CC
V
V
CC
CC
b
Input Clamp Voltage
High Level
Output Voltage
Low Level
Output Voltage
Max High Level
Input Current
High Level
Input Current
Low Level
Input Current
Charge Pump Current
Supply Current
1 25)
b
b
1 62V
Power Supply
High Level Input Voltage
Low Level Input Voltage
High Level
Output Current
Low Level
Output Current
VCO Frequency (INT or EXT)
Reference Input Frequency
Operating Temperature
0 88V
Parameter
b
(V
CC
b
2) 50 Amps
Parameter
b
b
b
65 C to
I
TTL Outputs I
ECL Outputs
50X Load to V
TTL Outputs I
ECL Outputs
50X Load to V
TTL Inputs V
TTL Inputs V
TTL Inputs V
Source
Sink
TRI-STATE
IN
0 5V to
0 5V to
e
CC
18 mA
TTL Outputs
(Note 1)
TTL Outputs
(Note 1)
a
b
a
a
150 C
Conditions
1 25V The test load per output is 50X at V
ECL
ECL
TTL
TTL
5 5V
5 5V
IN
IN
IN
OH
OL
CC
CC
e
e
e
e
e b
b
b
7
7V
2 7V
0 4V
8 mA
2V
2V
400 mA
ECL Signals
Supplies
ESD Protection
Output Current
EXTV
DV
AV
V
V
CC
CC
CC
CC
4 75
Min
b
b
2 0
CC
to DGND
to AGND
0
1 165
1 810
to EXTGND
V
V
CC
CC
V
CC
b
b
b
b
Min
b
b
0 2
250
0 7
20
20
b
CC
1025
1810
12 5
Typ
250
5 0
25
2
b
2V The external load current through this
V
V
V
V
CC
CC
CC
CC
b
a
b
170
Max
5 25
Max
100
250
b
b
0 5
0 7
0 8
8 0
b
20
20
70
b
0 4
1 5
0 7
0 880
1 475
1620
880
b
b
b
0 5V to
0 5V to
0 5V to
b
50 mA
1500V
Units
Units
MHz
MHz
a
a
a
mV
mV
mA
mA
mA
mA
mA
mA
mA
mA
nA
V
V
V
V
V
V
C
7V
7V
7V