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MC10SX1190 Datasheet PDF : 6 Pages
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MC10SX1190
Fibre Channel Coaxial
Cable Driver and Loop
Resiliency Circuit
Description
The MC10SX1190 is a differential receiver, differential transmitter
specifically designed to drive coaxial cables. It incorporates the output
cable drive capability of the MC10EP89 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 MC10SX1190 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 EP89 style drive circuitry produces swings approximately 70%
larger than a standard PECL output. When driving a coaxial cable,
proper termination is required at both ends of the line to minimize
reflections. The 1.4 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
VCC − 3.0 V instead of 50 W to VCC − 2.0 V.
Features
• 2.5 Gb/s Operation
• 425 ps Propagation Delay
• 1.4 V Output Swing on the Cable Driving Output
• Single Positive SUpply Operation Ranges:
VCC = 3.0 V to 3.6 V, VEE = 0 V
VCC = 4.5 V to 5.5 V, VEE = 0 V
• 75 kW Internal Input Pull Down Resistors
• ESD Protection: 2000 V Human Body Model,
>100 V Machine Model
• These are Pb−Free Devices*
VCC VCC QR QR VEE DT DT VCC VBB VEE
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
VEE DR DR VCC VCC QT QT VEE SEL VCC
Figure 1. 20-Lead TSSOP Pinout: (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.
© Semiconductor Components Industries, LLC, 2006
1
January, 2006 − Rev. 3
http://onsemi.com
MARKING
DIAGRAM
TSSOP−20
DT SUFFIX
CASE 948E
10SX
1190
ALYWG
G
A
= Assembly Location
L
= Wafer Lot
Y
= Year
W
= Work Week
G
= Pb−Free Package
(Note: Microdot may be in either location)
*For additional marking information, refer to
Application Note AND8002/D.
PIN DESCRIPTION
PIN
FUNCTION
DR/DR ECL Diff. Inputs from Receive Cable
QR/QR ECL Buffered Differential Outputs from
Receive Cable
DT/DT ECL Differential Input to Transmit Cable
QT/QT ECL Buffered Differential Output to
Transmit Cable
SEL TTL Multiplexer Control Signal
VBB Reference Voltage Output
VCC ECL Positive Supply
VEE ECL Negative, 0 Supply
TRUTH TABLE
SEL
Function
L
DR → QT
H
DT → QT
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 5 of this data sheet.
Publication Order Number:
MC10SX1190/D
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