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SN75LBC180NE4 Datasheet(PDF) 4 Page - Texas Instruments

Part # SN75LBC180NE4
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

SN75LBC180NE4 Datasheet(HTML) 4 Page - Texas Instruments

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DRIVER SECTION
ELECTRICAL CHARACTERISTICS
SWITCHING CHARACTERISTICS
SWITCHING CHARACTERISTICS (SN55LBC180)
SN55LBC180
SN65LBC180
SN75LBC180
SLLS174G – FEBRUARY 1994 – REVISED APRIL 2009................................................................................................................................................... www.ti.com
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP(1)
MAX
UNIT
VIK
Input clamp voltage
II = -18 mA
–1.5
V
SN55LBC180
1
2.5
5
RL = 54 Ω,
SN65LBC180
1.1
2.5
5
See Figure 1
SN75LBC180
1.5
2.5
5
| VOD |
Differential output voltage magnitude(2)
V
SN55LBC180
1
2.5
5
RL = 60 Ω,
SN65LBC180
1.1
2
5
See Figure 2
SN75LBC180
1.5
2
5
Δ| VOD | Change in magnitude of differential output voltage
(3)
See Figure 1 and Figure 2
±0.2
V
VOC
Common-mode output voltage
1
2.5
3
V
RL = 54 Ω,
See Figure 1
Change in magnitude of common-mode output
Δ| VOC |
±0.2
V
voltage(3)
IO
Output current with power off
VCC = 0,
VO = –7 V to 12 V
±100
µA
IOZ
High-impedance-state output current
VO = –7 V to 12 V
±100
µA
IIH
High-level input current
VI = 2.4 V
100
µA
IIL
Low-level input current
VI = 0.4 V
100
µA
IOS
Short-circuit output current
–7 V
≤ VO ≤ 12 V
±250
mA
Outputs enabled
5
ICC
Supply current
Receiver disabled
mA
Outputs disabled
3
(1)
All typical values are at VCC = 5 V and TA = 25°C.
(2)
The minimum VOD specification may not fully comply with ANSI RS-485 at operating temperatures below 0°C. System designers should
take the possibly lower output signal into account in determining the maximum signal-transmission distance.
(3)
Δ|VOD| and Δ|VOC| are the changes in the steady-state magnitude of VOD and VOC, respectively, that occur when the input is changed
from a high level to a low level.
VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
td(OD)
Differential output delay time
7
12
18
ns
RL = 54 Ω,
See Figure 3
tt(OD)
Differential output transition time
5
10
20
ns
tPZH
Output enable time to high level
RL = 110 Ω,
See Figure 4
35
ns
tPZL
Output enable time to low level
RL = 110 Ω,
See Figure 5
35
ns
tPHZ
Output disable time from high level
RL = 110 Ω,
See Figure 4
50
ns
tPLZ
Output disable time from low level
RL = 110 Ω,
See Figure 5
35
ns
VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
td(OD)
Differential output delay time
15
ns
RL = 54 Ω,
See Figure 3
tt(OD)
Differential output transition time
21
ns
tPZH
Output enable time to high level
32
RL = 110 Ω,
See Figure 4
ns
tPHZ
Output disable time from high level
55
tPZL
Output enable time to low level
32
RL = 110 Ω,
See Figure 5
ns
tPLZ
Output disable time from low level
20
4
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Copyright © 1994–2009, Texas Instruments Incorporated
Product Folder Link(s): SN55LBC180 SN65LBC180 SN75LBC180


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