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UC5609 Datasheet(PDF) 3 Page - Texas Instruments

Part No. UC5609
Description  18-Line Low Capacitance SCSI Active Terminator
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

UC5609 Datasheet(HTML) 3 Page - Texas Instruments

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PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Supply Current Section
Termpwr Supply Current
All termination lines = Open
17
25
mA
All termination lines = 0.5V
400
430
mA
Power Down Mode
DISCNCT = GND
100
150
µA
Output Section (Terminator Lines)
Terminator Impedance
∆ILINE = -5mA to -15mA
104.5
110
115.5
Output High Voltage
VTRMPWR = 4V (Note 1)
2.65
2.9
3.0
V
Max Output Current
VLINE = 0.5V
TJ = 25
°C
-20.3
-21.5
-22.4
mA
0°C < TJ < 70°C
-19.8
-21.5
-22.4
mA
Max Output Current
VLINE = 0.5V, TRMPWR = 4V (Note 1)
TJ = 25
°C
-19.5
-21.5
-22.4
mA
0°C < TJ < 70°C
-19.0
-21.5
-22.4
mA
VLINE = 0.2V, TRMPWR = 4V to 5.25V
0°C < TJ < 70°C
-21.6
-24.0
-25.4
mA
Output Leakage
DISCNCT = GND TRMPWR = 0V to 5.25V
REG = 0V
VLINE = 0 to 4V
10
400
nA
VLINE = 5.25V
100
µA
TRMPWR = 0V to 5.25V, REG = Open
VLINE = 0V to 5.25V
10
400
nA
Output Capacitance
DISCNCT = GND (Note 2)
6
7
pF
Regulator Section
Regulator Output Voltage
2.8
2.9
3
V
Regulator Output Voltage
All Termination Lines = 4V
2.8
2.9
3
V
Line Regulation
TRMPWR = 4V to 6V
10
20
mV
Drop Out Voltage
All Termination Lines = 0.5V
1.0
1.2
V
Short Circuit Current
VREG = 0V
-450
-650
-950
mA
Sinking Current Capability
VREG = 3.5V
100
200
500
mA
Thermal Shutdown
170
°C
Thermal Shutdown Hysteresis
10
°C
Disconnect Section
Disconnect Threshold
1.1
1.4
1.7
V
ELECTRICAL CHARACTERISTICS Unless otherwise stated, these specifications apply for TA = 0°C to 70°C. TRMPWR =
4.75V, DISCNCT = 2.4V. TA = TJ.
Note 1: Measuring each termination line while other 17 are low (0.5V).
Note 2: Guaranteed by design. Not 100% tested in production.
Figure 1: Typical SCSI Bus Configuration
APPLICATION INFORMATION
UDG-94127
UNITRODE CORPORATION
7 CONTINENTAL BLVD.
• MERRIMACK, NH 03054
TEL. (603) 424-2410
• FAX (603) 424-3460
UC5609
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