LX5250 View Datasheet(PDF) - Microsemi Corporation
Part Name
Description
MFG CO.
LX5250 Datasheet PDF : 8 Pages
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LX5250/5252
TM
®
9-Line Multimode SCSI Terminator
PRODUCTION DATA SHEET
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, the following specifications apply over the operating ambient temperature 0°C ≤ TA ≤ 70°C, VTerm = 4.75V.
For the LX5250, DISCONNECT = L; for the LX5252, DISCONNECT = H.
Parameter
` DISCONNECT Section
Symbol
Test Conditions
LX5250/52
Units
Min Typ Max
Disconnect Thresholds
Input Current
` MASTER/SLAVE Section
VTH
LX5250: DISCONNECT = 0V;
IIL
LX5252: DISCONNECT = 2.4V
LX5250: DISCONNECT = 2.4V;
IIH
LX5252: DISCONNECT = 0V
0.8
2.0 V
10 µA
100
nA
Master/Slave Thresholds
Input Current
VTH(MS)
IIL(MS)
IIH(MS)
Master/Slave = 0V
Master/Slave = 2.4V
0.8
2.0 V
10 µA
100
nA
Note 1: Guaranteed by design.
BLOCK DIAGRAM
VTERM 36
DISCONNECT 17 DISC
150
M/S 19
1.25V
10mA
I-Limited
1.3V
Source
1 of 9
Terminator
Pairs
1.07 mA
SE
LVD
HVD
52.5
SE
LVD
HVD
52.5
20
1.07 mA
22.4mA
I-Limited
2.7V
Source
5
LVD(-)
/SE
4 LVD(+)
/SE (Pseudo-GND)
18 GND
DIFSENSE 20
DIFFB 21
SE
POWER
Window HVD
Comp.
ON
&
MODE
20K
LVD
DELAY
DISC
LATCH
33 SE
35 HVD
34 LVD
Figure 1 – LX5250/52 Block Diagram; 36-pin version shown
Copyright © 2002
Rev. 1.2b, 2005-08-29
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 4
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