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DS96176 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. DS96176
Description  RS-485/RS-422 Differential Bus Transceiver
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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DS96176 Datasheet(HTML) 2 Page - National Semiconductor (TI)

 
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Absolute Maximum Ratings (Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
Molded DIP
−65˚C to +150˚C
Lead Temperature
Molded DIP (soldering, 10
sec.)
265˚C
Maximum Power Dissipation (Note 1) at 25˚C
Molded Package
930 mW
Supply Voltage
7.0V
Differential Input Voltage
+15V/−10V
Enable Input Voltage
5.5V
Recommended Operating
Conditions
Min
Typ
Max
Units
Supply Voltage (V
CC)
4.75
5.0
5.25
V
Voltage at Any Bus Terminal
(Separately or Common Mode)
−7.0
12
V
Differential Input Voltage (V
ID)
±12
V
Output Current HIGH (I
OH)
Driver
−60
mA
Receiver
−400
µA
Output Current LOW (I
OL)
Driver
60
mA
Receiver
16
mA
Operating Temperature (T
A)
0
25
70
˚C
Note 1: Derate molded DIP package 7.5 mW/˚C above 25˚C.
Electrical Characteristics (Notes 3, 4)
Over recommended temperature, common mode input voltage, and supply voltage ranges, unless otherwise specified
Symbol
Parameter
Conditions
Min
Typ
Max
Units
DRIVER SECTION
V
IH
Input Voltage HIGH
2.0
V
V
IL
Input Voltage LOW
0.8
V
V
OH
Output Voltage HIGH
I
OH = −20 mA
3.1
V
V
OL
Output Voltage LOW
I
OL = 20 mA
0.85
V
V
IC
Input Clamp Voltage
I
I = −18 mA
−1.5
V
|V
OD1|
Differential Output Voltage
I
O = 0 mA
6.0
V
|V
OD2|
Differential Output Voltage
R
L = 100Ω, Figure 1
2.0
2.25
V
R
L = 54Ω, Figure 1 and Figure 2
1.5
2.0
∆|V
OD2|
Change in Magnitude of
R
L = 54Ω
Differential Output Voltage (Note 5)
V
CM = 0V Figure 1 and Figure 2
±0.2
V
R
L = 100Ω Figure 1
V
OC
Common Mode Output Voltage (Note 6)
R
L = 54Ω or 100Ω, Figure 1
3.0
V
∆|V
OC|
Change in Magnitude of
±0.2
V
Common Mode Output Voltage (Note 5)
I
O
Output Current (Note 5)
Output Disabled
V
O = 12V
1.0
mA
(Includes Receiver I
I)VO = −7.0V
−0.8
I
IH
Input Current HIGH
V
I = 2.4V
20
µA
I
IL
Input Current LOW
V
I = 0.4V
−100
µA
I
OS
Short Circuit Output Current
V
O = −7.0V
−250
(Note 10)
V
O = 0V
−150
mA
V
O = VCC
150
V
O = 12V
250
I
CC
Supply Current
No Load
Outputs Enabled
35
mA
Outputs Disabled
40
RECEIVER SECTION
V
TH
Differential Input High
V
O = 2.7V, IO = −0.4 mA
0.2
V
Threshold Voltage
V
TL
Differential Input Low
V
O = 0.5V, IO = 8.0 mA
−0.2
V
Threshold Voltage (Note 7)
V
T+ −VT−
Hysteresis (Note 8)
V
CM = 0V
50
mV
V
IH
Enable Input Voltage HIGH
2.0
V
V
IL
Enable Input Voltage LOW
0.8
V
V
IC
Enable Input Clamp Voltage
I
I = −18 mA
−1.5
V
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