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MC10SX1189
Fibre Channel Coaxial
Cable Driver and Loop
Resiliency Circuit
Description
The MC10SX1189 is a differential receiver, differential transmitter
specifically designed to drive coaxial cables. It incorporates the output
cable drive capability of the MC10EL89 Coaxial Cable Driver with
additional circuitry to multiplex the output cable drive source between
the cable receiver or the local transmitter inputs. The multiplexer
control circuitry is TTL compatible for ease of operation.
The MC10SX1189 is useful as a bypass element for Fibre
Channel-Arbitrated Loop (FC-AL) or Serial Storage Architecture
(SSA) applications, to create loop style interconnects with fault
tolerant, active switches at each device node. This device is
particularly useful for back panel applications where small size is
desirable.
The EL89 style drive circuitry produces swings twice as large as a
standard PECL output. When driving a coaxial cable, proper
termination is required at both ends of the line to minimize reflections.
The 1.6 V output swings allow for proper termination at both ends of
the cable, while maintaining the required swing at the receiving end of
the cable. Because of the larger output swings, the QT, QT outputs are
terminated into the thevenin equivalent of 50
W
to V
CC
−
3.0 V
instead of 50
W
to V
CC
−
2.0 V.
Features
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FIBRE CHANNEL COAXIAL
CABLE DRIVER AND LOOP RE-
SILIENCY CIRCUIT
10SX1189G
AWLYWW
1
16
SOIC
CASE 751B
10SX1189 = Specific Device Code
A
= Assembly Location
WL
= Wafer Lot
Y
= Year
WW
= Work Week
G
= Pb−Free Package
•
•
•
•
•
•
•
TRUTH TABLE
SEL
L
H
Function
DR
→
QT
DT
→
QT
425 ps Propagation Delay
1.6 V Output Swing on the Cable Driving Output
Operation Range: V
CC
= 4.5 V to 5.5 V
75 kW Internal Input Pull Down Resistors
>1000 V ESD Protection
Transistor Count = 102
Pb−Free Packages are Available*
V
CC
16
DR
15
DR
14
GND
13
V
BB
12
DT
11
DT
10
SEL
9
PIN NAMES
Pins
DR/DR
QR/QR
DT/DT
QT/QT
SEL
V
CC
GND
V
BB
Function
Differential Input from Receive Cable
Buffered Differential Output from Re-
ceive Cable
Differential Input to Transmit Cable
Buffered Differential Output to
Transmit Cable
Multiplexer Control Signal (TTL)
Positive Power Supply
Ground
Reference Voltage Output
1
QR
2
QR
3
V
CC
4
NC
5
V
CC
6
QT
7
QT
8
V
CC
Figure 1. Pinout: 16-Lead SOIC
(Top View)
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 4 of this data sheet.
©
Semiconductor Components Industries, LLC, 2006
January, 2006
−
Rev. 4
1
Publication Order Number:
MC10SX1189/D
MC10SX1189
LOCAL
RECEIVE DATA
(ECL LEVELS)
QR
QR
V
BB
LOCAL
TRANSMIT DATA
(ECL LEVELS)
1
DT
DT
SEL (TTL)
0
QT
QT
TO OUTPUT CABLE
(ENHANCED SWING)
DR
DR
FROM
INPUT CABLE
(ECL LEVELS)
Figure 2. LOGIC DIAGRAM
Table 1. ABSOLUTE MAXIMUM RATINGS
Symbol
V
CC
V
IN
I
OUT
T
A
T
STG
Parameter
Power Supply Voltage (Referenced to GND)
Input Voltage (Referenced to GND)
Output Current
Operating Temperature Range
Storage Temperature Range
Continuous
Surge
Value
0 to +7.0
0 to +6.0
50
100
−40
to +85
−50
to +150
Unit
Vdc
Vdc
mA
°C
°C
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
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2
MC10SX1189
Table 2. DC CHARACTERISTICS
(V
CC
= 5.0 V, V
EE
= 0 V)
-40°C
Symbol
V
OH
V
OL
V
OH
V
OL
I
CC
V
IH
V
IL
V
IH
V
IL
V
BB
I
IH
I
IL
Characteristic
Output Voltage High (QR,QR)
V
CC
=5.0 V, GND = 0 V (Notes 1, 2)
Output Voltage Low (QR,QR)
V
CC
=5.0 V, GND = 0 V (Notes 1, 2)
Output Voltage High (QT,QT)
V
CC
=5.0 V, GND = 0 V (Notes 1, 3)
Output Voltage Low (QT,QT)
V
CC
=5.0 V, GND = 0 V (Notes 1, 3)
Quiescent Supply Current (Note 4)
Input Voltage High (DR,DR & DT,DT)
V
CC
= 5.0 V, GND = 0 V (Note 1)
Input Voltage Low (DR,DR & DT,DT)
V
CC
= 5.0 V, GND = 0 V (Note 1)
Input Voltage High SEL
Input Voltage Low SEL
Output Reference Voltage
V
CC
= 5.0 V, GND = 0 V (Note 1)
Input HIGH Current
Input LOW Current
0.5
3.57
3.63
Min
3.92
3.05
3.83
1.90
20
3.77
3.05
2.0
0.8
3.70
150
0.5
3.65
3.70
Typ
4.05
3.23
3.95
2.33
25
Max
4.22
3.35
4.10
2.50
42
4.11
3.50
Min
3.97
3.07
3.88
1.85
23
3.87
3.05
2.0
0.8
3.75
150
0.5
3.69
3.75
25°C
Typ
4.11
3.24
4.02
2.26
27
Max
4.27
3.37
4.15
2.45
47
4.19
3.52
Min
4.00
3.10
3.90
1.85
25
3.94
3.05
2.0
0.8
3.81
150
85°C
Typ
4.16
3.25
4.09
2.23
28
Max
4.30
3.41
4.17
2.45
47
4.28
3.56
Unit
V
V
V
V
mA
V
V
V
V
V
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.
1. Values will track 1:1 with the V
CC
supply. V
EE
can vary +0.5 V to
−0.5
V.
2. Outputs loaded with 50
W
to V
CC
−
2.0 V.
3. Outputs loaded with 50
W
to V
CC
−
3.0 V.
4. Outputs open circuited.
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3
MC10SX1189
Table 3. AC CHARACTERISTICS
(V
CC
= 4.5 V to 5.5 V) (Note 5)
−40°C
Symbol
t
PLH
,
t
PHL
Characteristic
Propagation Delay
to Output
DR
→
QR (Diff)
(SE)
DR
→
QT (Diff)
(SE)
DT
→
QT (Diff)
(SE)
SEL
→
QT,QT
QR,QR
QT,QT
Min
175
150
250
225
225
200
450
100
100
150
150
Typ
300
300
425
425
400
400
600
275
275
300
300
15
200
3.00
1000
4.35
200
3.00
Max
450
500
650
700
650
725
850
400
400
550
550
Min
225
175
300
250
275
225
500
125
125
150
150
0 to 85°C
Typ
325
325
450
450
425
425
650
275
275
300
300
15
1000
4.35
Max
500
550
650
700
650
725
800
400
400
550
550
ps
ps
ps
mV
V
Unit
ps
Condition
Note 6
Note 7
Propagation Delay
t
r
,
t
f
t
r
,
t
f
t
skew
V
PP
V
CMR
Rise Time
Fall Time
Rise Time
Fall Time
Within Device Skew
Minimum Input Swing
Common Mode Range
1.5V to 50% Pt
20% to 80%
80% to 20%
20% to 80%
80% to 20%
Note 8
Note 9
Note 10
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.
5. V
EE
can vary +0.5 V to
−0.5
V.
6. The differential propagation delay is defined as the delay from the crossing points of the differential input signals to the crossing point of the
differential output signals.
7. The single-ended propagation delay is defined as the delay from the 50% point of the input signal to the 50% point of the output signal.
8. Duty cycle skew is the difference between t
PLH
and t
PHL
propagation delay through a device.
9. Minimum input swing for which AC parameters are guaranteed.
10. The CMR 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 1.0 V.
ORDERING INFORMATION
Device
MC10SX1189D
MC10SX1189DG
MC10SX1189DR2
MC10SX1189DR2G
Package
SOIC−16
SOIC−16
(Pb−Free)
SOIC−16
SOIC−16
(Pb−Free)
Shipping
†
45 Units / Rail
45 Units / Rail
2500 / Tape & Reel
2500 / Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
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