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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 196K |
| 代理商： | LX5250 |
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 3
Copyright
2002
Rev. 1.2b, 2005-08-29
W
M
.
C
LX5250/5252
9-Line Multimode SCSI Terminator
P
RODUCTION DATA SHEET
TM
R E C O M M E N D E D M A X O P E R A T I N G C O N D I T I O N S
LX5250/52
Typ
Parameter
Symbol
Min
2.9
3.5
0
0
0
Max
5.25
5.25
5.0
V
TERM
125
Units
LVD
SE
VTerm
V
TERM
V
Signal Line Voltage
Disconnect Input Voltage
Operating Junction Temperature
V
V
°
C
T
J
E L E C T R I C A L C H A R A C T E R I S T I C S
Unless otherwise specified, the following specifications apply over the operating ambient temperature 0
°
C
≤
T
A
≤
70
°
C, VTerm = 4.75V.
For the LX5250, DISCONNECT = L; for the LX5252, DISCONNECT = H.
LX5250/52
Min Typ Max
Parameter
Symbol
Test Conditions
Units
`
LVD Terminator Section
All term lines open
LX5250: DISCONNECT > 2.0V;
LX5252:
DISCONNECT
< 0.8V
35
45
mA
VTerm Supply Current
LVD
ICC
15
35
μA
Common Mode Voltage
V
CM
1.125 1.25 1.375
V
Offset Voltage
V
OS
Open circuit between (-) and (+) terminals
100
112
125
mV
Differential Terminator Impedance
Z
O
V
OUT
Differential = -1V to +1V
100
105
110
Common Mode Impedance
Z
CM
0.5V to 2V
LX5250: DISCONNECT > 2.0V;
LX5252:
DISCONNECT
< 0.8V
Diffsense = 1.4V to 0V
110
150
195
Output Capacitance (Note 1)
C
O
3
pF
Mode Change Delay
`
Diffsense Section
Diffsense Output Voltage
Diffsense Output Source Current
Diffsense Sink Current
`
Single Ended Section
t
DF
100
115
300
ms
V
DIFF
1.2
1.3
1.4
V
I
DIFF
V
DIFF
= 0V
5
15
mA
I
SINK(DIFF)
V
DIFF
= 2.75V
20
200
μA
All tem lines = Open, Master/Slave = 0V
All tem lines = 0.2V, Master/Slave = 0V
LX5250: DISCONNECT > 2.0V;
LX5252:
DISCONNECT
< 0.8V
55
250
75
290
mA
mA
VTerm Supply Current
SE
ICC
15
35
μA
Termination Output High Voltage
V
O
2.5
2.85
3.1
V
Output Current
I
O
V
OUT
= 0.2V
18.5
22.5
24
mA
Sink Current
I
SINK
V
OUT
= 4V, All lines
40
65
mA
Output Capacitance (Note 1)
C
O
DISC > 2.0V
LX5250: DISCONNECT > 2.0V;
LX5252: DISCONNECT < 0.8V,
V
LINE
= 0 to 4V, T
A
= 25°
LX5250: DISCONNECT > 2.0V;
LX5252:
DISCONNECT
< 0.8V,
V
TERM
= Open, V
LINE
= 2.7V, T
A
= 25°
3
pF
I
DDQ
2
μA
Output Leakage
I
HP
1
μA
Ground Driver Impedance
Z
G
I = 1mA
100
E
L
E
C
T
R
I
C
A
L
S
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