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SN55LBC180RSAR Datasheet(PDF) 5 Page - Texas Instruments

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Part # SN55LBC180RSAR
Description  LOW-POWER RS-485 LINE DRIVER AND RECEIVER PAIRS
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

SN55LBC180RSAR Datasheet(HTML) 5 Page - Texas Instruments

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RECEIVER SECTION
ELECTRICAL CHARACTERISTICS
SWITCHING CHARACTERISTICS
SWITCHING CHARACTERISTICS (SN55LBC180)
SN55LBC180
SN65LBC180
SN75LBC180
www.ti.com................................................................................................................................................... SLLS174G – FEBRUARY 1994 – REVISED APRIL 2009
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIT+
Positive-going input threshold voltage
IO = –8 mA
0.2
V
VIT–
Negative-going input threshold voltage
IO = 8 mA
–0.2
V
Vhys
Hysteresis voltage (VIT+ – VIT–)
45
mV
VIK
Enable-input clamp voltage
II = –18 mA
-1.5
V
VOH
High-level output voltage
VID = 200 mV,
IOH = –8 mA
3.5
4.5
V
VOL
Low-level output voltage
VID = –200 mV,
IOL = 8 mA
0.3
0.5
V
IOZ
High-impedance-state output current
VO = 0 V to VCC
±20
µA
IIH
High-level enable-input current
VIH = 2.4 V
–50
A
IIL
Low-level enable-input current
VIL = 0.4 V
–100
µA
VI = 12 V, VCC = 5 V,
Other input at 0 V
0.7
1
VI = 12 V, VCC = 0 V,
Other input at 0 V
0.8
1
II
Bus input current
mA
VI = -7 V, VCC = 5 V,
Other input at 0 V
–0.8
-0.5
VI = -7 V, VCC = 0 V,
Other input at 0 V
–0.8
–0.5
Outputs enabled
5
ICC
Supply current
Driver disabled
mA
Outputs disabled
3
VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tPHL
Propagation delay time, high- to low-level output
11
22
33
ns
tPLH
Propagation delay time, low- to high-level output
11
22
33
ns
VID = –1.5 V to 1.5 V,
See Figure 6
tsk(p)
Pulse skew (| tPHL – tPLH|)
3
6
ns
tt
Transition time
5
8
ns
tPZH
Output enable time to high level
35
ns
tPZL
Output enable time to low level
30
ns
See Figure 7
tPHZ
Output disable time from high level
35
ns
tPLZ
Output disable time from low level
30
ns
VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tPHL
Propagation delay time, high- to low-level output
26
ns
tPLH
Propagation delay time, low- to high-level output
23
ns
VID = –1.5 V to 1.5 V,
See Figure 6
tsk(p)
Pulse skew (| tPHL – tPLH|)
3
ns
tsk(p)t
Transition time
4
ns
tPZH
Output enable time to high level
30
ns
tPHZ
Output disable time from high level
26
ns
See Figure 4
tPZL
Output enable time to low level
30
ns
tPLZ
Output disable time from low level
30
ns
Copyright © 1994–2009, Texas Instruments Incorporated
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Product Folder Link(s): SN55LBC180 SN65LBC180 SN75LBC180


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