lx5249 Microsemi Corporation, lx5249 Datasheet - Page 3

• Manufacturer Part Number: lx5249
• Description: 9 - Line Lvd Scsi Terminator
• Manufacturer: Microsemi Corporation

UltraMAX
Copyright © 2001
Rev. 0.6 1/01
Note 2. Range over which the device is functional.
(Unless otherwise specified, these specifications apply over the operating ambient temperature range of 0°C
DISCONNECT: LX5248/49 = L. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient
temperature.)
Note 3. Open circuit failsafe voltage.
Termpwr Voltage
Signal Line Voltage
Disconnect Input Voltage
Operating Junction Temperature Range
LVD Terminator Section
TermPwr Supply Current
Common Mode Voltage
Offset Voltage (Fail Safe Bias Voltage)
Differential Terminator Impedance
Common Mode Impedance
Output Capacitance
Output Leakage
Mode Change Delay
DIFFSENSE Section
DIFFSENSE Output Voltage
DIFFSENSE Output Source Current
DIFFSENSE Sink Current
DIFFSENSE Output Leakage
DISCONNECT Section
DISCONNECT Threshold
Input Current
MASTER / SLAVE Section
MASTER / SLAVE Threshold
Input Current
LX5248 / LX5249
Parameter
Parameter
R E C O M M E N D E D O P E R A T I N G C O N D I T I O N S
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
Symbol
I
I
LVD I
SINK (DIFF)
SINK (DIFF)
V
I
I
V
TH (MS)
IL (MS)
V
V
Z
I
V
C
LEAK
t
Z
DIFF
I
DIFF
FSB
DF
CM
CM
TH
IL
P
D
O
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
CC
9 - L
R E L I M I N A R Y
All term lines = Open
DISCONNECT: LX5248/49 = H
Open circuit between - and + (see Note 3)
V
0V to 2.5V
DISCONNECT: LX5248/49 = H
DISCONNECT: LX5248/49 = H, V
DISCONNECT: LX5248/49 = H, V
DIFFSENSE = 1.4V to 0V
DIFFSENSE = 0V
V
DISCONNECT: LX5248/49 = H, T
DISCONNECT: LX5248/49 = 0V
MASTER / SLAVE: LX5248/49 = 0V
OD
IN
= 2.75V
I N E
= -1V to 1V
LV D S C S I T
Test Conditions
Symbol
V
D
TERM
A T A
E R M I N A T O R
LINE
A
TERM
= 25°C
= 0 to 4V, T
= 0V, V
S
Recommended Operating Conditions
H E E T
Min.
LINE
3.0
0
0
0
= 2.7V
A
=25°C
LX5248/LX5249
(Note 2)
Typ.
T
A
1.125
70°C. TermPwr = 3.3V,
Min.
100
100
100
100
1.2
5.0
0.8
0.8
LX5248 / 5249
Typ.
1.25
112
105
200
150
2.5
1.3
21
5
0
1
Max.
5.25
V
5.0
70
TERM
1.375
Max.
15.0
125
110
300
200
1.4
2.0
2.0
25
10
10
10
10
2
Units
Units
°C
V
V
V
mA
mA
µA
mV
µA
µA
µA
µA
µA
µA
pF
ms
V
V
V
V
3