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UCC5696 Datasheet(PDF) 4 Page - Texas Instruments

Part No. UCC5696
Description  27 LINE LVD ONLY SCSI TERMINATOR FOR SPI-5
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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UCC5696 Datasheet(HTML) 4 Page - Texas Instruments

 
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UCC5696
SLVS406B – JUNE 2002 – REVISED JUNE 2003
4
www.ti.com
ELECTRICAL CHARACTERISTICS
TA = 0°C to 70°C, TERMPWR = 2.7 V to 5.25 V, (unless otherwise specified, the measurements are specified at the
default impedance and bias current)
differential termination (default)
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNITS
Differential impedance (1)
Default
100
105
110
Steps 5, 10, 20, 40
Ω, 14% overall accuracy
55
130
Differential impedance steps
55
47.5
55
62.5
Differential impedance steps
130
112
130
147
The difference between all lines at any step
10
Common mode impedance (1)
Default
100
300
Common mode impedance (1)
Over the impedance adjustment range
75
400
Differential bias voltage (2)
Default I2C settings
100
125
mV
Default
1
1.1
Differential bias c rrent (1)
Steps 0.05, 0.1, 0.2, 0.4 mA
, 14% overall accuracy
0.70
1.45
mA
Differential bias current (1)
0.7 mA
0.6
0.7
0.8
mA
1.45 mA
1.25
1.45
1.65
Output leakage
Disabled,
TERMPWR 0 V < 5.25 V
400
nA
Output capacitance (3)
Single ended measurement to ground
3
pF
disconnect and diff sense input
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNITS
DISCNT threshold
0.8
2.0
V
Input current DISCNT
10
30
µA
Input current, ICBC, ICBD
–1
1
µA
Input current, ICAD0–6 (4)
10
30
µA
Input current DIFF B
0 V
≤ VDIFFB ≤ 2.75 V
–1
1
µA
DIFF B single ended to LVD threshold
0.5
0.7
V
DIFF B LVD to HPD threshold
1.9
2.4
V
time delay/filter
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNITS
Mode change delay (2)
100
190
310
ms
status line output characteristics
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNITS
Source current
VLOAD = 2.4 V
–4
–6
mA
Sink current
VLOAD = 0.4 V
2
5
mA
NOTES:
1. At powerup or after the device comes out of disconnect mode.
2. For SPI-2, SPI-3 and SPI-4.
3. Ensured by design and engineering test, but not production tested.
4. Current is the absolute value of current as some addresses are pulled high, while others are pulled low.


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