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PDF LX5202 Data sheet ( Hoja de datos )
| Número de pieza | LX5202 | |
| Descripción | 18-LINE/ POWER SCSI TERMINATOR | |
| Fabricantes | Microsemi Corporation | |
| Logotipo |  |
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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
L I N D O C #: 5202
LX5202
18-LINE, µPOWER SCSI TERMINATOR
PR O D U C T I O N D ATA S H E E T
DESCRIPTION
The LX5202 is an eighteen-line active termi-
nator for the SCSI parallel bus. This SCSI
standard recommends active termination at
both ends of the SCSI bus.
During disconnect mode, the LX5202 re-
quires a meager 60µA of supply current while
offering only 6pF of output capacitance. To
enter this low-power mode, the disconnect
pin can be left open (floating) or driven high,
thereby disconnecting the terminating resis-
tors and placing the internal low dropout
regulator into low-power mode. In discon-
nect mode, each termination line presents
a high impedance to the SCSI bus with the
overall effect being to preserve high signal
integrity and yield subsequent reliable, error-
free communications.
During normal operation, the LX5202 con-
sumes only 800µA of current, which is the
lowest enabled supply current of any termi-
nator available on the market today.
Linfinity's proprietary BiCMOS low dropout
regulator architecture enables this unique
and very efficient operating characteristic.
The LX5202 also offers a precisely trimmed
channel output current specified to a 5%
tolerance. The maximum value of the output
current is trimmed as closely as possible to
the SCSI standard maximum specification to
give the highest possible noise margin for
fast SCSI operation. And the LX5202 sinks
up to 200mA of current making it compatible
with today's fast active negation drivers.
The LX5202 is a superior, pin-for-pin re-
placement for a variety of industry products
such as the UC5601 and UC5602.
IMPORTANT: For the most current data, consult LinFinity's web site: http://www.linfinity.com.
KEY FEATURES
s 6pF OUTPUT CAPACITANCE DURING
DISCONNECT
s 60µA SUPPLY CURRENT IN DISCON-
NECT MODE
s 800µA SUPPLY CURRENT DURING
NORMAL OPERATION
s 200mA SINK CURRENT FOR ACTIVE
NEGATION
s LOGIC COMMAND DISCONNECTS ALL
TERMINATION LINES
s CURRENT LIMIT AND THERMAL
PROTECTION
s COMPATIBLE WITH SCSI 1, 2 AND 3
STANDARDS
s CONSULT FACTORY FOR APPLICATION
TEST REPORT: 5202TR
PRODUCT HIGHLIGHT
R E C E I V I N G W AV E F O R M - 5 M H Z
D R I V I N G W AV E F O R M - 5 M H Z
Copyright © 1998
Rev. 1.9 3/98
Receiver
Driver
LX5202
1 Meter, AWG 28
LX5202
LX5268
LX5268
PACKAGE ORDER INFO
TA (°C)
DWP
Plastic SOWB
28-pin, Power
0 to 70
LX5202CDWP
Note: All surface-mount packages are available in Tape & Reel.
Append the letter "T" to part number. (i.e. LX5202CDWPT)
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
1
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet LX5202.PDF ] | |
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