VSC7173, VSC7173EKN, VSC7173XYI Selling Leads, Datasheet
MFG:800 D/C:VITESSE
VSC7173, VSC7173EKN, VSC7173XYI Datasheet download
Part Number: VSC7173
MFG: 800
Package Cooled:
D/C: VITESSE
VSC7173, VSC7173EKN, VSC7173XYI
- Table of contents:
Info of VSC7173
Info of VSC7173EKN
Info of VSC7173XYI
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About VSC06P-C-M40A
PDF/DataSheet Download
Datasheet: VSC06P-C-M40A
File Size: 107872 KB
Manufacturer: ITT [ITT Industries]
Download : Click here to Download
About VSC06P-C-M40A
PDF/DataSheet Download
Datasheet: VSC06P-C-M40A
File Size: 107872 KB
Manufacturer: ITT [ITT Industries]
Download : Click here to Download
About VSC06P-C-M40A
PDF/DataSheet Download
Datasheet: VSC06P-C-M40A
File Size: 107872 KB
Manufacturer: ITT [ITT Industries]
Download : Click here to Download
VSC7173 General Description
The VSC7173 is a Serial ATA and Serial Attached SCSI multiplexer and buffer that implements a 2:1 port selector unction for 1.5 Gbps and 3.0 Gbps links. This function is used when dual hosts, such as I/O controllers, must access single-port disk drives in high availability storage subsystems where redundancy and load sharing are important. The outputs from the I/O controllers are multiplexed to a Serial ATA or Serial Attached SCSI drive. The output from the Serial ATA rive and replicated to the I/O controllers. When switching from one I/O controller to the other, a Serial ATA link ust be re- tialized with out-of-band (OOB) signals, which are transferred through the VSC7173 transparently. The VSC7173 provides high output swings with pre-emphasis, and programmable receiver sensitivity that are needed to drive long backplanes and external cables.
In addition to the above features, the VSC7173 also supports a 1:2 port multiplier mode where one host can connect wo drives.
Port connectivity for the device is configured by driving external I/O pins. See the block diagram on page2.
VSC7173 Maximum Ratings
| Symbol | Parameter |
Minimum |
Minimum |
Unit |
| VDD | Power supply voltage |
-0.5 |
+4.0 |
V |
| VINT | LVTTL input voltage |
-0.5 |
VDD+0.5 |
V |
| VOUTT | LVTTL output voltage |
-0.5 |
VDD+0.5 |
V |
| IOT | LVTTL output current |
-50 |
-50 |
mA |
| VINS | Serial input voltage |
-0.5 |
VDD+0.5 |
V |
| VOUTS | Serial output voltage |
-0.5 |
VDD+0.5 |
V |
| IOS | Serial output current |
-50 |
+50 |
mA |
| TS | Storage temperature |
-65 |
+140 |
|
| VESD | Electrostatic voltage discharge, human body model |
-4000 |
+4000 |
V |
VSC7173 Features
·2:1 port selector and 1:2 port multiplier for both Serial ATA (SATA) and Serial Attached SCSI (SAS) links
·Serial ATA 1.0 compliant at 1.5 Gbps (3.0 Gbps capable)
·Passes Serial ATA patterns transparently
·Programmable receiver sensitivity
·High output swing mode with pre-emphasis
·Compatible with VSC7175 and VSC7177 designs
·0.7 W power dissipation
·3.3 V power supply
·32-pin, 7 mm x 7 mm QFP-N package
·Serial ATA 1.0 compliant at 1.5 Gbps (3.0 Gbps capable)
·Passes Serial ATA patterns transparently
·Programmable receiver sensitivity
·High output swing mode with pre-emphasis
·Compatible with VSC7175 and VSC7177 designs
·0.7 W power dissipation
·3.3 V power supply
·32-pin, 7 mm x 7 mm QFP-N package
VSC7173 Typical Application
·Active-passive redundant failover systems
·Dual-port Serial ATA and Serial Attached SCSI disk arrays (JBODs)
·NAS servers
·RAID subsystems
·Disk-based backup systems
·Serial ATA and Serial Attached SCSI routing applications
·Buffers for externally connected links
·Serial ATA port replicators
·Serial ATA Host Bus Adapters selecting between internal and external connectors
·Dual-port Serial ATA and Serial Attached SCSI disk arrays (JBODs)
·NAS servers
·RAID subsystems
·Disk-based backup systems
·Serial ATA and Serial Attached SCSI routing applications
·Buffers for externally connected links
·Serial ATA port replicators
·Serial ATA Host Bus Adapters selecting between internal and external connectors
VSC7173 Connection Diagram
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