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MC10EL89
5V ECL Coaxial Cable Driver
The MC10EL89 is a differential fanout gate specifically designed to
drive coaxial cables. The device is especially useful in Digital Video
Broadcasting applications; for this application, since the system is
polarity free, each output can be used as an independent driver. The
driver boasts a gain of approximately 40 and produces output swings
twice as large as a standard ECL output. When driving a coaxial cable,
proper termination is required at both ends of the line to minimize
signal loss. The 1.6 V output swings allow for termination at both ends
of the cable, while maintaining the required 800 mV swing at the
receiving end of the cable. Because of the larger output swings, the
device cannot be terminated into the standard
−2.0
V. All of the DC
parameters are tested with a 50
W
to
−3.0
V load. The driver accepts a
standard differential ECL input and can run off of the Digital Video
Broadcast standard
−5.0
V supply.
Features
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MARKING
DIAGRAMS*
8
8
1
SOIC−8
D SUFFIX
CASE 751
1
HEL89
ALYW
G
•
•
•
•
1
Q0
1
8
V
CC
A
L
Y
W
M
G
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Date Code
= Pb−Free Package
Q0
2
7
D
Q1
3
6
D
(Note: Microdot may be in either location)
*For additional marking information, refer to
Application Note AND8002/D.
Q1
4
5
V
EE
ORDERING INFORMATION
Figure 1. Logic Diagram and Pinout Assignment
See detailed ordering and shipping information in the package
dimensions section on page 5 of this data sheet.
©
Semiconductor Components Industries, LLC, 2009
August, 2009
−
Rev. 9
1
Publication Order Number:
MC10EL89/D
5A M
G
G
4
375 ps Propagation Delay
1.6 V Output Swings
PECL Mode Operating Range: V
CC
= 4.2 V to 5.7 V with V
EE
= 0 V
NECL Mode Operating Range: V
CC
= 0 V
with V
EE
=
−4.2
V to
−5.7
V
•
Internal Input Pulldown Resistors
•
Pb−Free Packages are Available
8
8
1
TSSOP−8
DT SUFFIX
CASE 948R
1
HL89
ALYWG
G
DFN8
MN SUFFIX
CASE 506AA
MC10EL89
Table 1. PIN DESCRIPTION
PIN
D, D
Q0, Q0; Q1, Q1
V
CC
V
EE
EP
ECL Data Inputs
ECL Data Outputs (1.6 V
pp
)
Positive Supply
Negative Supply
(DFN8 only) Thermal exposed pad must be connected to a sufficient
thermal conduit. Electrically connect to the most negative supply (GND)
or leave unconnected, floating open.
Function
Table 2. ATTRIBUTES
Characteristics
Internal Input Pulldown Resistor
Internal Input Pullup Resistor
ESD Protection
Human Body Model
Machine Model
Value
50 KW
N/A
> 2 kV
> 100 V
Level 1
UL 94 V−0 @ 0.125 in
31
Moisture Sensitivity, Indefinite Time Out of Drypack (Note 1)
Flammability Rating
Transistor Count
Meets or exceeds JEDEC Spec EIA/JESD78 IC Latchup Test
1. For additional information, see Application Note AND8003/D.
Oxygen Index: 28 to 34
Table 3. MAXIMUM RATINGS
Symbol
V
CC
V
EE
V
I
I
out
T
A
T
stg
q
JA
q
JC
q
JA
q
JC
q
JA
T
sol
q
JC
Parameter
PECL Mode Power Supply
NECL Mode Power Supply
PECL Mode Input Voltage
NECL Mode Input Voltage
Output Current
Operating Temperature Range
Storage Temperature Range
Thermal Resistance (Junction−to−Ambient)
Thermal Resistance (Junction−to−Case)
Thermal Resistance (Junction−to−Ambient)
Thermal Resistance (Junction−to−Case)
Thermal Resistance (Junction−to−Ambient)
Wave Solder
Pb
Pb−Free
0 lfpm
500 lfpm
Standard Board
0 lfpm
500 lfpm
Standard Board
0 lfpm
500 lfpm
<2 to 3 sec @ 248°C
<2 to 3 sec @ 260°C
(Note 2)
DFN8
SO−8
SO−8
SO−8
TSSOP−8
TSSOP−8
TSSOP−8
DFN8
DFN8
Condition 1
V
EE
= 0 V
V
CC
= 0 V
V
EE
= 0 V
V
CC
= 0 V
Continuous
Surge
V
I
V
CC
V
I
V
EE
Condition 2
Rating
8
−8
6
−6
50
100
−40
to +85
−65
to +150
190
130
41 to 44
185
140
41 to 44
±
5%
129
84
265
265
35 to 40
Unit
V
V
V
V
mA
mA
°C
°C
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C
°C/W
Thermal Resistance (Junction−to−Case)
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
2. JEDEC standard multilayer board
−
2S2P (2 signal, 2 power)
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2
MC10EL89
Table 4. 10EL SERIES PECL DC CHARACTERISTICS
V
CC
= 5.0 V; V
EE
= 0.0 V (Note 3)
−40°C
Symbol
I
EE
V
OH
V
OL
V
IH
V
IL
V
IHCMR
Characteristic
Power Supply Current
Output HIGH Voltage (Note 4)
Output LOW Voltage (Note 4)
Input HIGH Voltage (Single−Ended)
Input LOW Voltage (Single−Ended)
Input HIGH Voltage Common Mode
Range (Differential Configuration)
(Note 5)
Input HIGH Current
Input LOW Current
0.5
3.77
2.10
3770
3050
2.5
Min
Typ
23
3.90
2.28
Max
28
4.02
2.42
4110
3500
4.6
3.87
2.00
3870
3050
2.5
Min
25°C
Typ
23
3.98
2.30
Max
28
4.10
2.44
4190
3520
4.6
3.94
1.95
3940
3050
2.5
Min
85°C
Typ
23
4.04
2.33
Max
28
4.19
2.49
4280
3555
4.6
Unit
mA
V
V
mV
mV
V
I
IH
I
IL
70
50
150
0.5
50
30
150
0.3
40
25
150
mA
mA
NOTE: Device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit
board with maintained transverse airflow greater than 500 lfpm. Electrical parameters are guaranteed only over the declared
operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit
values are applied individually under normal operating conditions and not valid simultaneously.
3. Input and output parameters vary 1:1 with V
CC
. V
EE
can vary +0.25 V /
−0.5
V.
4. Outputs are terminated through a 50
W
resistor to V
CC
−
3.0 V.
5. V
IHCMR
min varies 1:1 with V
EE
. V
IHCMR
max varies 1:1 with V
CC
. The V
IHCMR
range is referenced to the most positive side of the differential input
signal. Normal operation is obtained if the HIGH level falls within the specified range and the peak-to-peak voltage lies between V
PP
min and 1 V.
Table 5. 10EL SERIES NECL DC CHARACTERISTICS
V
CC
= 0.0 V; V
EE
=
−5.0
V (Note 6)
−40°C
Symbol
I
EE
V
OH
V
OL
V
IH
V
IL
V
IHCMR
Characteristic
Power Supply Current
Output HIGH Voltage (Note 7)
Output LOW Voltage (Note 7)
Input HIGH Voltage (Single−Ended)
Input LOW Voltage (Single−Ended)
Input HIGH Voltage Common Mode
Range (Differential Configuration)
(Note 8)
Input HIGH Current
Input LOW Current
0.5
−1.23
−2.90
−123
0
−195
0
−2.5
Min
Typ
23
−1.10
−2.72
Max
28
−0.98
−2.58
−890
−150
0
−0.4
−1.13
−3.00
−1130
−195
0
−2.5
Min
25°C
Typ
23
−1.02
−2.70
Max
28
−0.90
−2.56
−810
−148
0
−0.4
−1.06
−3.05
−106
0
−195
0
−2.5
Min
85°C
Typ
23
−0.96
−2.67
Max
28
−0.81
−2.51
−720
−144
5
−0.4
Unit
mA
V
V
mV
mV
V
I
IH
I
IL
70
50
150
0.5
50
30
150
0.3
20
25
150
mA
mA
NOTE: Device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit
board with maintained transverse airflow greater than 500 lfpm. Electrical parameters are guaranteed only over the declared
operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit
values are applied individually under normal operating conditions and not valid simultaneously.
6. Input and output parameters vary 1:1 with V
CC
. V
EE
can vary +0.25 V /
−0.5
V.
7. Outputs are terminated through a 50
W
resistor to V
CC
−
3.0 V.
8. V
IHCMR
min varies 1:1 with V
EE
. V
IHCMR
max varies 1:1 with V
CC
. The V
IHCMR
range is referenced to the most positive side of the differential input
signal. Normal operation is obtained if the HIGH level falls within the specified range and the peak-to-peak voltage lies between V
PP
min and 1 V.
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3
MC10EL89
Table 6. AC CHARACTERISTICS
V
CC
= 5.0 V; V
EE
= 0.0 V or V
CC
= 0.0 V; V
EE
=
−5.0
V (Note 9)
−40°C
Symbol
f
max
t
PLH
t
PHL
t
SKEW
t
JITTER
V
PP
t
r
t
f
Characteristic
Maximum Toggle Frequency
Propagation Delay to
Output
Within-Device Skew
Random Clock Jitter (RMS)
Input Swing (Note 10)
Output Rise/Fall Times Q
(20%
−
80%)
150
205
330
455
200
340
5
5
150
205
480
20
260
Min
Typ
Max
Min
25°C
Typ
1.5
350
5
5
400
330
455
150
205
330
455
440
20
310
400
5
5
490
20
Max
Min
85°C
Typ
Max
Unit
Gb/s
ps
ps
ps
mV
ps
NOTE: Device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit
board with maintained transverse airflow greater than 500 lfpm. Electrical parameters are guaranteed only over the declared
operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit
values are applied individually under normal operating conditions and not valid simultaneously.
9. V
EE
can vary +0.25 V /
−0.5
V.
10. V
PP(min)
is the minimum input swing for which AC parameters are guaranteed. The device has a DC gain of
≈
40.
DC BLOCKING CAPACITORS
75W
0.1mF
EL89
75W
150W
150W
0.1mF
75W COAX
75W
75W COAX
75W
V
EE
Figure 2. EL89 CATV Termination Configuration
Q
Driver
Device
Q
Z
o
= 50
W
D
Receiver
Device
Z
o
= 50
W
50
W
50
W
D
V
TT
V
TT
= V
CC
−
3.0 V
Figure 3. Typical Termination for Output Driver and Device Evaluation
(See Application Note AND8020/D
−
Termination of ECL Logic Devices.)
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