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參數(shù)資料
| 型號： | SYM53C120 |
| 廠商： | LSI CORP |
| 元件分類： | 總線控制器 |
| 英文描述： | SCSI Bus Expander(SCSI總線擴展器) |
| 中文描述： | SCSI BUS CONTROLLER, PQFP128 |
| 封裝： | PLASTIC, QFP-128 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 452K |
| 代理商： | SYM53C120 |
SYM53C120
Data Sheet
The SYM53C120 is a single chip solution allowing
the extension of device connectivity and/or cable
length limits of the SCSI bus. The SYM53C120
operates as a SCSI bus repeater when multiple single-
ended to single-ended buses are connected together
and as a converter when attaching a single-ended bus
to a differential bus. In both modes, the device
provides electrical isolation between the two separate
SCSI buses. This product works with Symbios
extensive SYM53C7xx and SYM53C8xx family of SCSI
products as well as other industry SCSI controllers.
An advantage of the SYM53C120 is it does not require
any software or consume a SCSI ID allowing for easy
integration and maximum bus utilization. Adding the
SYM53C120 to a SCSI bus environment creates a low
risk solution for applications requiring scalable device
connectivity and SCSI bus electrical isolation.
Benefits
Expands device connectivity and cable distances
in certain applications
Electrically isolates SCSI buses
Allows for large disk configurations
Does not consume a SCSI ID or limit system
performance
Completely transparent to the SCSI subsystem
Features
Accepts any asynchronous or synchronous
data transfer rates up to Ultra SCSI
Targets and initiators can be located on either
the SCSI A or B side
Does not consume a SCSI ID
Supports two modes of operation:
Repeater: Single-ended to Single-ended
Converter: Single-ended to Differential
with external transceivers
Connects two wide/narrow SCSI buses
Extends Ultra SCSI lengths in certain
applications
Extends Total Ultra SCSI device support
Signals between buses are regenerated,
reshaped, and transmitted transparently to
the SCSI subsystem
Supports TolerANT
active negation
technology
Complete support for SCSI -1, -2, and -3
Completely independent of software
Pin level SCSI bus disable mode
Packaged in a 128-pin PQFP
SYM53C120
SCSI HVD Bus Expander
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