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DS78C20 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. DS78C20
Description  Dual CMOS Compatible Differential Line Receiver
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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DS78C20 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.
Supply Voltage
18V
Common-Mode Voltage
±25V
Differential Input Voltage
±25V
Strobe Voltage
18V
Output Sink Current
50 mA
Maximum Power Dissipation (Note 1) at 25˚C
Cavity Package
1364 mW
Molded Package
1280 mW
Storage Temperature Range
−65˚C to
+150˚C
Lead Temperature (Soldering, 4 seconds)
260˚C
Operating Conditions
Min
Max
Units
Supply Voltage (V
CC)
4.5
15
V
Temperature (T
A)
DS78C20
−55
+125
˚C
DS88C20
0
+70
˚C
Common-Mode Voltage (V
CM)
−15
+15
V
Note 1: Derate cavity package 9.1 mW/˚C; derate molded package 10.2
mW/˚C above 25˚C.
Electrical Characteristics (Notes 3, 4)
Symbol
Parameter
Conditions
Min
Typ
Max Units
V
TH
Differential Threshold
I
OUT = −200 µA,
−10V
≤ V
CM ≤ 10V
0.06
0.2
V
Voltage
V
OUT ≥ V CC −1.2V
−15V
≤ V
CM ≤ 15V
0.06
0.3
V
I
OUT = 1.6 mA, VOUT ≤ 0.5V
−10V
≤ V
CM ≤ 10V
−0.08
−0.2
V
−15V
≤ V
CM ≤ 15V
−0.08
−0.3
V
R
IN
Input Resistance
−15V
≤ V
CM ≤ 15V
5
k
R
T
Line Termination
Resistance
T
A = 25˚C
100
180
300
I
IND
Data Input Current
V
CM = 10V
2
3.1
mA
(Unterminated)
V
CM = 0V
0
−0.5
mA
V
CM = −10V
−2
−3.1
mA
V
THB
Input Balance
I
OUT = 200 µA, VOUT
−7V
≤ V
CM ≤ 7V
V
CC −1.2V, R S = 500Ω,
0.1
0.4
V
(Note 6)
I
OUT = 1.6 mA, VOUT ≤ 0.5V,
−7V
≤ V
CM ≤ 7V
−0.1
−0.4
V
R
S = 500Ω, (Note 6)
V
OH
Logical “1” Output Voltage
I
OUT = −200 µA, VDIFF = 1V
V
CC−1.2
V
CC−0.75
V
V
OL
Logical “0” Output Voltage
I
OUT = 1.6 mA, VDIFF = −1V
0.25
0.5
V
I
CC
Power Supply Current
15V
≤ V
CM ≤ −15V,
V
CC = 5.5V
8
15
mA
V
DIFF = −0.5V
V
CC = 15V
15
30
mA
(Both Receivers)
I
IN(1)
Logical “1” Strobe Input
Current
V
STROBE = 15V, VDIFF = 3V
V
CC = 15V
15
100
µA
I
IN(0)
Logical “0” Strobe Input
Current
V
STROBE = 0V, VDIFF = −3V
V
CC = 15V
−0.5
−100
µA
V
IH
Logical “1” Strobe Input
I
OUT = 1.6 mA, VOL ≤ 0.5V
V
CC = 5V
3.5
2.5
V
Voltage
V
CC = 10V
8.0
5.0
V
V
CC = 15V
12.5
7.5
V
V
IL
Logical “0” Strobe Input
I
OUT = −200 µA,
V
CC = 5V
2.5
1.5
V
Voltage
V
OH = VCC −1.2V
V
CC = 10V
5.0
2.0
V
V
CC = 15V
7.5
2.5
V
I
OS
Output Short-Circuit
Current
V
OUT = 0V, VCC = 15V, VSTROBE = 0V, (Note 5)
−5
−20
−40
mA
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