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參數(shù)資料
| 型號(hào)： | SYM53C141 |
| 廠商： | LSI CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | SCSI Bus Expander(SCSI總線擴(kuò)展器) |
| 中文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PQFP128 |
| 封裝： | PLASTIC, QFP-128 |
| 文件頁(yè)數(shù)： | 12/68頁(yè) |
| 文件大?。?/td> | 630K |
| 代理商： | SYM53C141 |
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1-2
Introduction
The SYM53C141 provides additional control capability through the pin
level electrical isolation mode. This feature permits logical disconnection
of both the A-side bus and the B-side bus without disrupting SCSI
transfers currently in progress. For example, devices on the logically
disconnected B-side can be swapped out while the A-side bus remains
active.
The SYM53C141 is based upon bus expander technology resulting in
some signal filtering and re-timing to maintain signal skew budgets. In
addition, the SYM53C141 has no programmable registers, therefore, it
does not require any software.
1.1.1 Applications
Use the SYM53C141 SCSI Bus Expander for the following:
Server clustering environments
Expanders create distinct SCSI cable segments which are
electrically isolated from each other.
1.1.2 Features
Attaches SE SCSI devices to an LVD SCSI bus
Operates as a SCSI Bus Converter or Extender
Provides SCSI Bus electrical isolation for high availability and
scalable server clustering technologies
Allows targets and initiators to be located on either the A-side or
B-side of the device
Allows each side of the device to be logically disconnected from the
other by using the pin level electrical isolation mode
Accepts any asynchronous or synchronous transfer speed up to Ultra
SCSI
Does not consume a SCSI ID
Provides on-chip LVD Link transceivers
Supports TolerANT transceiver technology
Can cascade up to three SYM53C141s
Provides complete support for SCSI-1, -2, & -3
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