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參數(shù)資料
| 型號(hào)： | LX5250 |
| 廠商： | Microsemi Corporation |
| 英文描述： | 9-Line Multimode SCSI Terminator |
| 中文描述： | 9線多模的SCSI終結(jié)者 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 196K |
| 代理商： | LX5250 |
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 2
Copyright
2002
Rev. 1.2b, 2005-08-29
W
M
.
C
LX5250/5252
9-Line Multimode SCSI Terminator
P
RODUCTION DATA SHEET
TM
A B S O L U T E M A X I M U M R A T I N G S
Term Power (V
TERM
).........................................................................................-0.3V to 7V
Operating Junction Temperature................................................................................150
°
C
Storage Temperature Range………………………………………………..-65
°
C to 150
°
C
RoHS / Pb-free 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.
T H E R M A L D A T A
DB
36 Pin QSOP
T
HERMAL
R
ESISTANCE
-J
UNCTION TO
A
MBIENT
,
θ
JA
53.9°C/W
PW
28 Pin TSSOP
T
HERMAL
R
ESISTANCE
-J
UNCTION TO
A
MBIENT
,
θ
JA
100°C/W
Junction Temperature Calculation: T
J
= T
A
+ (P
D
x
θ
JA
).
The
θ
JA
numbers are guidelines for the thermal performance of the device/pc-board
system. All of the above assume no ambient airflow.
θ
JA
can vary significantly
depending on mounting technique. (See Application Notes Section: Thermal
considerations)
M A S T E R /S L A V E F U N C T I O N T A B L E
Master/Slave
DIFFSENSE Status
L*
HI Z
0mA
H
1.3V
10mA Source
Open (Pull-Up)
* When in Low state, terminator will sense state of DIFFSENSE line.
1.3V
10mA Source
P A C K A G E P IN O U T
2
3
4
5
6
7
8
9
10
11
12
13
14
1
27
26
25
24
23
22
21
20
19
29
17
18
16
15
28
1+
1-
2+
2-
HEATSINK
HEATSINK
HEATSINK
NC
NC
NC
3+
3-
4+
4-
5+
5-
V
HVD
LVD
SE
9-
9+
8-
8+
HEATSINK
HEATSINK
HEATSINK
7-
7+
6-
6+
DIFFB
DIFFSENSE
M/Sb
35
34
33
32
31
30
36
DISCONNECT
GND
LX5250/5252
DB
P
ACKAGE
(Top View)
N/C = Not internally connected
NC
1+
1-
2+
2-
NC
3+
3-
4+
4-
5+
5-
2
3
4
5
6
7
8
9
10
11
12
13
14
1
27
26
25
24
23
22
21
20
19
18
17
16
15
28
DISCONNECT
GND
V
TERM
NC
9-
9+
8-
8+
NC
7-
7+
6-
6+
DIFFB
DIFFSENSE
M/Sb
LX5250
O
NLY
PW
P
ACKAGE
(Top View)
N/C = Not internally connected
RoHS / Pb-free 100% Matte Tin Lead Finish
DIFFS ENS E/POWER UP/POWER DOWN FUNCT ION T ABLE
Outputs
LX5250
DISCONNECT
LX5252
DISCONNECT
DIFFSENSE
Status
Type
Quiescent
Current
L
H
< 0.5V
Enable
SE
55mA
L
H
0.7V – 1.9V
Enable
LVD
35mA
L
H
> 2.4V
Disable
HI-Z
8mA
H or Open
L or Open
X
Disable
HI-Z
10μA
P
A
C
K
A
G
E
D
A
T
A
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