參數(shù)資料
型號(hào)： LX5243CPW
廠商： MICROSEMI CORP
元件分類(lèi)： Bus Terminator
英文描述： 9-LINE 105 ohm SCSI BUS TERMINATOR, PDSO28
封裝： ROHS COMPLIANT, PLASTIC, TSSOP-28
文件頁(yè)數(shù)： 3/7頁(yè)
文件大?。?/td> 215K
代理商： LX5243CPW
M U L TIMODE SCSI T ERMIN A TOR
LX5241/5242/5243
PRODUCT D A T ABOOK 1996/1997
3
Copyright 2001
Rev. 1.5a 02/13
P RODUCTION D AT A S HEET
UltraMAX
Termpwr Supply Current
SE I
CC
All term lines = Open, Master/Slave = 0V
All term lines = 0.2V, Master/Slave = 0V
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V
Terminator Output High Volt
V
O
Output Current
I
O
V
OUT = 0.2V
Sink Current
I
SINK
V
OUT = 4V, All lines
Output Capacitance
C
O
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V
Leakage Current
I
LEAK
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V,
V
OUT = 0 to 4V, TA = 25°C
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V,
V
TERM = Open, VLINE = 2.7V, TA = 25°C
Termpwr Voltage
LVD
V
TERM
SE
Signal Line Voltage
Disconnect Input Voltage
Operating Virtual Junction Temperature Range
LX5241C / 5242C / 5243C
3.0
5.25
V
3.5
5.25
V
0
5.0
V
0V
TERM
V
0
70
°C
RECOMMENDED OPER A TING CONDITIONS
(Note 2)
Parameter
Symbol
Units
Recommended Operating Conditions
Min.
Typ.
Max.
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperature range of 0°C
≤ T
A ≤ 70°C,
TermPwr = 4.75V.
For the LX5241/5243 DISCONNECT = L, for the LX5242 DISCONNECT = H. Low duty cycle pulse testing techniques are used which maintains junction and
case temperatures equal to the ambient temperature.)
Parameter
Symbol
Test Conditions
Units
LX5241 / 5242 / 5243
Min.
Typ.
Max.
25
30
mA
15
35
A
1.125
1.25
1.375
V
100
112
125
mV
100
105
110
100
200
300
2.5
pF
2
A
1
A
115
ms
LVD Terminator Section
TermPwr Supply Current
LVD I
CC
All term lines = Open
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V
Common Mode Voltage
V
CM
Offset Voltage
V
FSB
Open circuit between - and + (see Note 3)
Differential Terminator Impedance
Z
D
V
OUT Differential = -1V to 1V
Common Mode Impedance
Z
CM
0V to 2.5V
Output Capacitance
C
O
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V
Output Leakage
I
LEAK
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V,
V
LINE = 0 to 4V, TA = 25°C
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V,
V
TERM = 0V, VLINE = 2.7V
Mode Change Delay
t
DF
DIFFSENSE = 1.4V to 0V
7
10
mA
214
226
mA
15
35
A
2.6
2.85
V
21
23
24
mA
45
65
mA
2.5
pF
2
A
1
A
Single-Ended Termination Section
Note 2. Range over which the device is functional.
Note 3. Open circuit failsafe voltage.
DIFFSENSE Output Voltage
V
DIFF
DIFFSENSE Output Source Current
I
DIFF
V
DIFF = 0V
DIFFSENSE Sink Current
I
SINK(DIFF)
V
DIFF = 2.75V
DIFFSENSE Output Leakage
I
LEAK(DIFF)
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V,
T
A = 25°C
1.2
1.3
1.4
V
5.0
15.0
mA
200
A
10
A
DIFFSENSE Section
O
B
SO
LETE
PRO
D
UCT
NOT
RECOMMENDED
FOR
NEW
DESIGNS
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