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LX5112

Microsemi Corporation
Part Number LX5112
Manufacturer Microsemi Corporation
Description ULTRA 9 - CHANNEL SCSI TERMINATOR
Published Mar 30, 2005
Detailed Description LIN D O C #: 5111 UltraMAX T H E TM LX5111/5112 D A T A U LT R A 9 - CHANNEL S C S I TE R M I N ATOR I N F I N I T E...
Datasheet PDF File LX5112 PDF File

LX5112
LX5112

Overview
LIN D O C #: 5111 UltraMAX T H E TM LX5111/5112 D A T A U LT R A 9 - CHANNEL S C S I TE R M I N ATOR I N F I N I T E P O W E R O F I N N O VA T I O N P R O D U C T I O N S H E E T DESCRIPTION The LX5111/5112 SCSI terminators are part of Linfinity's UltraMAX family of high-performance, adaptive, non-linear mode SCSI products, which are designed to deliver true UltraSCSI performance in SCSI applications.
The low voltage BiCMOS architecture employed in their design offers superior performance to older linear passive and active techniques.
Linfinity's UltraMAX architecture employs high-speed adaptive elements for each channel, thereby providing the fastest response possible — typically 35MHz, which is 100 times faster than the older linear regulator/terminator approach used by other manufacturers.
Products using this older linear regulator approach have bandwidths which are dominated by the output capacitor and which are limited to 500KHz (see further discussion in the Functional Description section).
The UltraMAX architecture also eliminates the output compensation capacitor typical in earlier terminator designs.
Each is approved for use with SCSI-1, -2, -3, UltraSCSI and beyond — providing the highest performance alternative available today.
Another key improvement offered by the LX5111/5112 lies in their ability to insure reliable, error-free communications even in systems which do not adhere to recommended SCSI hardware design guidelines, such as the use of improper cable lengths and impedances.
Frequently, this situation is not controlled by the peripheral or host designer and, when problems occur, they are the first to be made aware of the problem.
The LX5111/5112 architecture is much more tolerant of marginal system integrations.
Recognizing the needs of portable and configurable peripherals, the LX5111/5112 have a TTL compatible sleep/disable mode.
Quiescent current is typically less than 275µA in this mode, while the output capacitance is also les...


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