LX5226 Datasheet PDF - Microsemi Corporation
| Part Number | LX5226 | |
| Description | ULTRA 1 8 - LINE SCSI TERMINATOR | |
| Manufacturers | Microsemi Corporation | |
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T H E I N F I N I T E P O W E R O F I N N O VAT I O N
LIN DO C #: 5226
UltraMAXTM
LX5226
ULTRA 18-L INE SCSI TERMINATOR
PR O D U C T I O N D ATA S H E E T
DESCRIPTION
The LX5226 SCSI terminator is part of
Linfinity's UltraMAX family of high-perfor-
mance, adaptive, non-linear mode SCSI
products, which are designed to deliver true
UltraSCSI performance in SCSI applications.
The low-voltage BiCMOS architecture em-
ployed in its design offers superior perfor-
mance to older linear passive and active
techniques.
Linfinity's UltraMAX architecture employs
high-speed adaptive elements for each chan-
nel, thereby providing the fastest response
possible — typically 35MHz, which is 100
times faster than the older linear regulator/
terminator approach used by other manu-
facturers. 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 capaci-
tor typical in earlier terminator designs. Each
is approved for use with SCSI-1, -2, -3,
UltraSCSI and beyond — providing the high-
est performance alternative available today.
The LX5226 architecture is much more
tolerant of marginal system integrations. A
key improvement offered by the LX5226 lies
in its ability to ensure reliable, error-free
communications even in systems which do
not adhere to recommended SCSI hardware
design guidelines, such as the use of im-
proper cable lengths and impedances. Fre-
quently, 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.
To enter the disconnect mode, the discon-
nect pin must be driven high, thereby dis-
connecting the LX5226 from the SCSI bus.
Quiescent current is less than 150µA in this
mode.
Reduced component counts is also inher-
ent in the LX5226 architecture. Traditional
termination techniques require large stabi-
lization and transient protection capacitors
of up to 20µF in value and size. The LX5226
architecture does not require these compo-
nents, allowing all the cost savings associated
with inventory, board space, assembly, re-
liability, and component costs.
The LX5226 is a superior pin-for-pin re-
placement for the LX5207, the UC5601 / 5602
/ 5610 and the UCC5610.
NOTE: For current data & package dimensions, visit our web site: http://www.linfinity.com.
KEY FEATURES
s Ultra-Fast Response For Fast-20 SCSI
Applications
s 35MHz Channel Bandwidth
s Sleep-Mode Current Less Than 150µA
s NO External Compensation Capacitors
s Compatible With Active Negation Drivers
s Compatible With Passive And Active
Terminations
s Approved For Use With SCSI 1, 2, 3 And
Ultra SCSI
s Hot-Swap Compatible
s Pin-For-Pin Compatible With LX5207,
UC5601/5602 And UCC5610
PRODUCT HIGHLIGHT
R E C E I V I N G W AV E F O R M - 2 0 M H Z
D R I V I N G W AV E F O R M - 2 0 M H Z
Copyright © 1999
Rev. 1.0 5/99
Receiver
Driver
DISC LX5226
1 Meter, AWG 28
LX5226
DISC
LX5268
LX5268
PA C K A G E O R D E R I N F O
TA (°C)
DWP
Plastic SOWB
28-pin, Power
0 to 70
LX5226CDWP
Note: All surface-mount packages are available in Tape & Reel.
Append the letter "T" to part number. (i.e. LX5226CDWPT)
NOTE:
For An In-Depth
Discussion On Applying
SCSI, Request Linfinity
Application Note:
"Understanding The
Single-Ended SCSI Bus"
LINFINITY MICROELECTRONICS INC.
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for LX5226 electronic component. |
| Information | Total 4 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ LX5226.PDF Datasheet ] | |
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