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參數(shù)資料
| 型號(hào)： | VSC7173 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Zener Diode; Application: General; Pd (mW): 200; Vz (V): 6.47 to 7.14; Condition Iz at Vz (mA): 5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: MPAK |
| 中文描述： | 增強(qiáng)型2:1端口選擇器和1:2端口分配器，用于串行ATA和串行連接SCSI |
| 文件頁(yè)數(shù)： | 1/17頁(yè) |
| 文件大小： | 219K |
| 代理商： | VSC7173 |
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VSC7173 Data Sheet
Enhanced 2:1 Port Selector and 1:2 Port Multiplier for Serial ATA and Serial Attached SCSI
Revision 4.1
May 23, 2005
Confidential
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Maxim Integrated Products
1 of 17
To order the VSC7173 device, see
“Ordering Information,”
page 17.
G
ENERAL
D
ESCRIPTION
The VSC7173 is a Serial ATA and Serial Attached SCSI multiplexer and buffer that implements a 2:1 port selector
function 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 drive is buffered and replicated to the I/O controllers. When switching from one I/O controller to the
other, a Serial ATA link must be re-initialized 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
two drives.
Port connectivity for the device is configured by driving external I/O pins. See the block diagram on
page 2
.
F
EATURES
●
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
A
PPLICATIONS
●
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| VSC7177 | Enhanced 2:1 Port Selector for Serial ATA and Serial Attached SCSI |
| VSC7186 | Quad Transceiver for Gigabit Ethernet |
| VSC7212 | Gigabit Interconnect Chip |
| VSC7212RG | Gigabit Interconnect Chip |
| VSC7216-01 | Multi-Gigabit Interconnect Chip |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| VSC7173XYI | 制造商:Maxim Integrated Products 功能描述:ENHANCED 2:1 PORT SELECTOR AND 1:2 PORT MULTIPLIER FOR SERIA - Rail/Tube |
| VSC7173XYI/G24 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| VSC7173YI | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| VSC7177 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Enhanced 2:1 Port Selector for Serial ATA and Serial Attached SCSI |
| VSC7177XYI | 制造商:Maxim Integrated Products 功能描述:ENHANCED 2:1 PORT SELECTOR FOR SERIAL ATA AND SERIAL ATTACHE - Rail/Tube |
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