100398
Industrial Version
(Continued)
ECL-to-TTL DC Electrical Characteristics
(Note 12)
V
EE
= −
4.2V to
−
5.7V, GND
=
0V, T
C
= −
40
°
C to
+
85
°
C, C
L
=
50 pF, V
TTL
= +4.5V
to
+5.5V
Symbol
V
OH
V
OL
V
IH
V
IL
V
DIFF
V
CM
I
IH
I
IL
I
OZHT
I
OZLT
I
OS
I
CEX
I
ZZ
I
TTL
Parameter
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input Voltage Differential
Common Mode Voltage
Input HIGH Current
Input LOW Current
3-STATE Current Output High
3-STATE Current Output Low
Output Short-Circuit Current
Output HIGH Leakage Current
Bus Drainage Test
V
TTL
Supply Current
−650
−100
−225
50
500
39
27
39
0.50
70
−1170
−1830
150
GNDECL
−
2.0
GNDECL
−
0.5
35
Min
2.7
2.4
Typ
3.1
2.9
0.3
0.5
−870
−1480
Max
Units
V
V
V
mV
mV
mV
V
µA
µA
µA
µA
mA
µA
µA
mA
mA
mA
V
IN
=
V
IH(Max)
V
IN
=
V
IH(Min)
V
OUT
= +2.7V
V
OUT
= +0.5V
V
OUT
=
0.0V, V
TTL
= +5.5V
V
OUT
=
5.5V
V
OUT
=
5.25V
TTL Outputs LOW
TTL Outputs HIGH
TTL Outputs in 3-STATE
Conditions
I
OH
= −3
mA, V
TTL
=
4.75V
I
OH
= −3
mA, V
TTL
=
4.50V
I
OL
=
24 mA, V
TTL
=
4.50V
Guaranteed HIGH Signal for All Inputs
Guaranteed LOW Signal for All Inputs
Required for Full Output Swing
Note 12:
The specified limits represent the “worst case” value for the parameter. Since these values normally occur at the temperature extremes, additional
noise immunity and guardbanding can be achieved by decreasing the allowable system operating ranges. Conditions for testing shown in the tables are cho-
sen to guarantee operation under “worst case” conditions.
PCC TTL-to-ECL AC Electrical Characteristics
V
EE
= −
4.2V to
−
5.7V, V
TTL
= +4.5V
to
+5.5V
Symbol
f
MAX
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
OE to E
n
, E
n
(Cutoff to HIGH)
t
PHZ
OE to E
n
, E
n
(HIGH to Cutoff)
t
PHZ
t
S
t
H
t
TLH
t
THL
DIR to E
n
, E
n
(HIGH to Cutoff)
T
n
to LE
T
n
to LE
Transition Time
20% to 80%, 80% to 20%
Parameter
Toggle Frequency
T
n
to E
n
, E
n
(Transparent)
LE to E
n
, E
n
T
C
= −40°C
Min
180
0.90
2.40
Max
T
C
= +25°C
Min
180
0.80
2.20
Max
T
C
= +85°C
Min
180
0.70
2.50
Max
Units
MHz
ns
Figures 1, 3
Conditions
1.30
2.70
1.50
2.70
1.80
3.10
ns
Figures 1, 3
2.90
9.00
2.80
6.90
2.80
5.80
ns
Figures 1, 3
1.10
2.70
1.40
2.90
1.70
3.40
ns
Figures 1, 3
1.10
0.70
0.90
0.45
2.70
1.40
0.70
0.90
2.90
1.80
0.70
0.90
3.50
ns
ns
ns
Figures 1, 3
Figures 1, 3
Figures 1, 3
Figures 1, 3
2.20
0.45
1.50
0.45
1.50
ns
7
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