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IMP5226

IMP
Part Number IMP5226
Manufacturer IMP
Description 18-Line Plug and Play SCSI Terminator
Published Jun 21, 2016
Detailed Description I M P 5 2 2 16 DATA COMMUNICATIONS 18-Line Plug and Play SCSI Terminator The 18-channel IMP5226 SCSI terminator is par...
Datasheet PDF File IMP5226 PDF File

IMP5226
IMP5226

Overview
I M P 5 2 2 16 DATA COMMUNICATIONS 18-Line Plug and Play SCSI Terminator The 18-channel IMP5226 SCSI terminator is part of IMP's family of highperformance SCSI terminators that deliver true UltraSCSI performance.
The BiCMOS design offers superior performance over first generation linear regulator/resistor based terminators.
IMP's new 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.
The bandwidth of terminators based on the older regulator/resistor terminator architecture is limited to 500kHz since a large output stabilization capacitor is required.
The IMP architecture eliminates the external output compensation capacitor and the need for transient output capacitors while maintaining pin compatibility with first generation designs.
Reduced component count is inherent with the IMP5226.
The IMP5226 architecture tolerates marginal system designs.
A key improvement offered by the IMP5226 lies in its ability to insure reliable, error-free communications even in systems which do not adhere to recommended SCSI hardware design guidelines, such as improper cable lengths and impedance.
Frequently, this situation is not controlled by the peripheral or host designer.
The IMP5226 can be placed in a sleep mode with a high logic signal.
In the sleep mode the outputs are in a high impedance state.
Quiescent current is less than 150µA when disabled.
The IMP5226 is a superior pin-for-pin replacement for the LX5226, LX5207, UC5601/5602 and the UCC5610.
Block Diagrams Key Features x Ultra-Fast response for Fast-20 SCSI x 35MHz channel bandwidth x Sleep-mode current less than 150µA — Disconnects terminator from lows x NO external compensation capacitors x Compatible with active negation drivers x Compatible with passive and active terminations x Approved for use with SCSI 1, 2, 3 and Ultra SCSI x Hot-swap compatible x Pi...


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