ECL OperationÐMilitary Version
DC Electrical Characteristics
e
e
e b
5.2V
V
CC
V
CCA
GND, V
EE
Symbol
Parameter
Min
Typ
Max
Units
T
A
Conditions
b
b
b
b
b
b
b
b
b
b
a
e b
100X to 2V
V
OH
Output HIGH Voltage
Q and Q
1100
980
910
1030
910
820
900
820
670
55 C
§
Load
mV
25 C
§
a
125 C
§
b
55 C to
V
Output LOW Voltage
Q and Q
§
125 C
OL
b
b
b
1620
1820
1705
mV
mV
a
§
55 C
b
b
b
b
b
b
b
a
a
V
IH
Input HIGH Voltage
1190
1095
975
905
810
690
Guaranteed Input HIGH
Signal (Note 6)
§
25 C
§
125 C
§
55 C
b
b
b
b
b
b
b
a
V
IL
Input LOW Voltage
1890
1850
1800
1525
1485
1435
Guaranteed Input LOW
Signal
§
mV
25 C
§
a
125 C
§
e
I
Input HIGH Current
CP Input (Note 1)
MS Input
V
V
IH
IN
IHA
a
a
a
a
a
400
400
250
25 C
§
mA
25 C
§
M
and M Input
2
25 C
§
25 C
§
25 C
§
1
e
I
I
Input LOW Current
0.5
mA
V
IN
V
ILB
IL
b
b
75
Power Supply Current
110
mA
Pins 6, 7, 13 not connected
EE
b
a
55 C to
§
125 C
b
119
mA
V
§
55 C to
b
a
V
V
Operating Supply
Voltage Range
§
125 C
EE
b
b
b
4.7
5.7
5.2
§
e
e b
5.2V
Reference Voltage
V
V
RM
2
REF
RM
1
b
b
a
25 C
1550
1150
mV
§
e b
I
10.0 mA
N
AC Electrical Characteristics
e b
a
e
e
e b
5.2V
T
A
55 C to 125 C, V
V
CCA
GND, V
§
§
CC
Parameter
Propagation Delay,
EE
b
a
a
125 C
§
Typ
55 C
25 C
§
Typ
§
Typ
Symbol
Units
Conditions
Min
Max
t
t
Output:
R
PLH
PHL
1.5
1.3
2.0
3.0
3.0
ns
ns
e b
50X to 2.0V
(50% to 50%) CP to Q
L
t
Propagation Delay,
(50% to 50%) MS to Q
PLH
3.5
2.0
4.0
2.0
6.0
5.0
2.0
Input:
e
e
2.0 0.1 ns
g
t
t
fi
ri
t
t
t
Setup Time, M to CP
Hold Time, M to CP
4.0
0.0
ns
ns
s
(20% to 80%)
SeeFigure 1
b
b
b
2.0
2.0
2.0
h
Output Rise Time
(20% to 80%)
TLH
1.0
1.0
2.0
2.0
1.0
1.0
ns
ns
t
f
Output Fall Time
(80% to 20%)
THL
1.0
1.0
Maximum Clock Frequency
AC Coupled Input 350 mV
Peak-to-Peak. f is
Guaranteed to be 550 MHz
MAX
MAX
700
600
650
600
MHz
b
a
Min at 55 C to 125 C.
§
§
Note 1: Conditions for testing, not shown in the Table, are chosen to guarantee operation under ‘‘worst case’’ conditions.
Note 2: The specified limits represent the ‘‘worst case’’ value for the parameter. Since these ‘‘worst case’’ values normally occur at the temperature and supply
voltage extremes, additional noise immunity and guard banding can be achieved by decreasing the allowable system operating ranges.
e
e a
25 C.
Note 3: Typical limits are at V
5.0V and T
§
CC
Note 4: The M and M threshold specifications are normally referenced to the V potential, as shown in the ECL operation tables. Using V (GND) as the
CC EE
A
1
2
a
e a
5V). A
reference, as in normal TTL practice, effectively makes the threshold vary directly with V . Threshold is typically 1.3V below V (e.g., 3.7V at V
CC CC
CC
g
signal swing about threshold of 0.4V is adequate, which gives the state V and V values. The internal 2 kX resistors are intended to pull TTL outputs up to the
IH IL
required V range, as discussed in the Functional Description and shown in Figure 5.
IH
Note 5: TTL Output Signal swing is guaranteed at f
over temperature range.
MAX
Note 6: M or M can be tied to V for fixed divide-by-ten operation.
CC
1
2
4
NSC [ National Semiconductor ]
