LX5255CPW Ver la hoja de datos (PDF) - Microsemi Corporation
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LX5255CPW Datasheet PDF : 7 Pages
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LX5255
TM
®
9-Line LVD SCSI Terminator
PRODUCTION DATA SHEET
ABSOLUTE MAXIMUM RATINGS
Term Power (VTERM)............................................................................................-0.3V to 7V
Signal Line Voltage .............................................................................................-0.3V to 7V
Differential Voltage .............................................................................................-0.3V to 7V
Operating Junction Temperature.................................................................................. 150°C
Storage Temperature Range........................................................................... -65°C to 150°C
Peak Package Solder Reflow Temperature (40 second maximum exposure) . 260°C (+0, -5)
Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to
Ground. Currents are positive into, negative out of specified terminal.
THERMAL DATA
PW 24L TSSOP
THERMAL RESISTANCE-JUNCTION TO AMBIENT, θJA
100°C/W
Junction Temperature Calculation: TJ = TA + (PD x θJA).
The θJA numbers are guidelines for the thermal performance of the device/pc-board
system. All of the above assume no ambient airflow. θJA can vary significantly
depending on mounting technique. (See Application Notes Section: Thermal
considerations)
PACKAGE PIN OUT
NC
1
1+
2
1-
3
2+
4
2-
5
3+
6
3-
7
4+
8
4-
9
DIFFB
10
DIFSENS
11
GND
12
24
VTERM
23
9-
22
9+
21
8-
20
8+
19
7-
18
7+
17
6-
16
6+
15
5-
14
5+
13
DISC
PW PACKAGE
(Top View)
NC – No Internal Connection
RoHS / Pb-free 100% Matte Tin Lead Finish
DIFFB/POWER UP/POWER DOWN FUNCTION TABLE
DISC
DIFFB
Outputs
Status
Type
Quiescent
Current
L
L < 0.5V
Disable
HI-Z
L
0.7V to 1.9V
Enable
LVD
L
H > 2.4V
Disable
HI-Z
H or Open
X
Disable
HI-Z
8mA
30mA
8mA
10µA
RECOMMENDED MAX OPERATING CONDITIONS
Parameter
VTerm
Signal Line Voltage
Disconnect Input Voltage
Operating Junction Temperature
Symbol
VTERM
TJ
LX5255
Min
Typ
2.7
0
0
0
Max
5.25
5.0
VTERM
70
Units
V
V
V
°C
Copyright © 2000
Rev. 1.1, 2006-02-27
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 2
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