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XRS10L240 Datasheet PDF


XRS10L240 - Exar Corporation

Part Number XRS10L240
Description SERIAL ATA II: PORT MULTIPLIER / PORT SELECTOR
Manufacturers Exar Corporation 
Logo Exar Corporation Logo 
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XRS10L240 datasheet
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XRS10L240 pdf, equivalent, schematic
EXSTOR - 1 XRS10L240
SERIAL ATA II: PORT MULTIPLIER / PORT SELECTOR
REV. 1.05
To summarize, the port multiplier functionality in the XRS10L240 allows the system designer to increase the
number of serial ATA connections in an enclosure that does not have a sufficient number of serial ATA
connections for all of the drives in the enclosure. The port selector functionality in the XRS10L240 allows
replacement for expensive Fibre Channel drives with cost effective and high capacity SATA drives in enterprise
class applications without compromising on redundancy or performance.
STANDARDS COMPLIANCE
The XRS10L240 is compliant with the following industry specifications:
Serial ATA, Revision 1.0a
Serial ATA II: Extensions to Serial ATA 1.0a, Revision 1.2
Serial ATA II PHY Electrical Specifications, Revision 1.0
Serial ATA II: Port Selector, Revision 1.0
Serial ATA II: Port Multiplier, Revision 1.2
Serial ATA II: Revision 2.6
APPLICATIONS
Serial ATA Enclosures
Other Serial ATA link replicator applications
Buffers for externally connected links
High density storage boxes
RAID Subsystems
APPLICATION EXAMPLE
The XRS10L240 is ideally suited for use within an external drive enclosure as a means of providing redundant
host access to ensure system availability and reliability, while enabling access to up to four target devices per
XRS10L240. This application is shown in Figure 1. Other applications for the XRS10L240 include use in fixed-
content or network attached storage systems, storage arrays, desktop applications or entry-level servers,
RAID storage or disk-to-disk backup.
2
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XRS10L240 transistor, diode fet, igbt, scr
EXSTOR - 1 XRS10L240
REV. 1.05
SERIAL ATA II: PORT MULTIPLIER / PORT SELECTOR
MDIO interface for register control, a JTAG interface for boundary scan purposes, and a resistor calibration
circuit complete the device. A block diagram of the XRS10L240 is shown in Figure 4.
FIGURE 4. XRS10L240 BLOCK DIAGRAM
S IR 0
SIT0
S IR 1
SIT1
SATA II
3G PHY
SATA II
3G PHY
SATA II
LINK
LAYER
PORT
SELECTOR
RATE
ADJUST
FIFO
SATA II
LINK
LAYER
SATA II
LINK
LAYER
PORT
M U LT IP LIE R
SATA II
LINK
LAYER
SATA II
LINK
LAYER
SATA II
3G PHY
SATA II
3G PHY
SATA II
3G PHY
SATA II
3G PHY
SOT0
SOR0
SOT1
SOR1
SOT2
SOR2
SOT3
SOR3
9





Information Total 30 Pages
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Part NumberDescriptionManufacturers
XRS10L240The function of this parts is a SERIAL ATA II: PORT MULTIPLIER / PORT SELECTOR.Exar Corporation
Exar Corporation

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