DS36C279TM NSC [National Semiconductor], DS36C279TM Datasheet - Page 2

• Manufacturer Part Number: DS36C279TM
• Description: Low Power EIA-RS-485 Transceiver with Sleep Mode
• Manufacturer: NSC [National Semiconductor]

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Symbol
DIFFERENTIAL DRIVER CHARACTERISTICS
V
V
V
V
V
V
I
RECEIVER CHARACTERISTICS
V
V
V
R
I
I
I
V
V
OSD
IN
ING
B
Over Supply Voltage and Operating Temperature ranges, unless otherwise specified
V
V
Electrical Characteristics
OD1
OD0
OD0*
OD2
OD3
OC
TH
TL
HST
IN
OH
OL
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (V
Input Voltage (DE, RE*, & DI)
Common Mode (V
Input Voltage (DO/RI, DO*/RI*)
Receiver Output Voltage
Maximum Package Power Dissipation
OD2
OC
Driver Output/Receiver Input
M Package 1190 mW, derate
N Package 744 mW, derate
@
+25˚C
Differential Output Voltage
Output Voltage
Output Voltage
Differential Output Voltage
(Termination Load)
Balance of V
|V
Differential Output Voltage
(Full Load)
Driver Common Mode
Output Voltage
Balance of V
|V
Driver Output Short-Circuit
Current
Differential Input High
Threshold Voltage
Differential Input Low
Threshold Voltage
Hysteresis
Input Resistance
Line Input Current
(Note 9)
Line Input Current Glitch
(Note 9)
Input Balance Test
High Level Output Voltage
Low Level Output Voltage
OD2
OC
− V
− V
Parameter
OC*
CC
CM
OD2*
)
)
|
OD2
OC
|
9.5 mW/˚C above +25˚C
6.0 mW/˚C above +25˚C
−0.5V to (V
−0.5V to (V
I
I
(Output to GND)
R
R
R
R1 = 54 , R2 = 375
V
R
R
R
R
V
V
V
−7V
V
−7V
V
−7V
Other Input = 0V,
DE = V
V
or 0V
Other Input = 0V,
DE = V
V
T
RS = 500
I
I
O
O
OH
OL
A
TEST
O
O
O
O
CM
CC
CC
L
L
L
L
L
L
L
= 0 mA (No Load)
= 0 mA
(Notes 4, 5)
= 50
= 27
= 27
= 27
= 50
= 27
= 50
= 25˚C
= +12V
= −7V
= V
= V
= +4 mA, V
= −4 mA, V
= 4.75 to 5.25
= +3.0V or 0V,
= 0V
= −7V to +12V
V
V
V
OH
OL
IL
IL
(Note 3)
CM
CM
CM
, RE* = V
, RE* = V
, I
, I
or 50
or
CC
CC
O
O
Conditions
+12V
= 0.4 mA
+12V
+12V
= −0.4 mA
+0.5V)
+0.5V)
ID
±
±
ID
+12V
15V
14V
= −0.2V
= +0.2V
IL
IL
,
,
2
DS36C279T
DS36C279
DS36C279
DS36C279T
DS36C279
DS36C279T
Storage Temperature Range
Lead Temperature
Recommended Operating
Conditions
Supply Voltage (V
Bus Voltage
Operating Free Air Temperature (T
DS36C279T
DS36C279
(Soldering 4 sec)
(422)
(485)
(485)
(422)
(422) (Note 12)
(485) Figure 4
V
V
V
V
Reference
(422, 485)
(422, 485)
(422, 485)
V
V
V
V
Figure 11
(Note 6)
Figure 2
(Note 6)
(Note 7)
(Note 8)
IN
IN
IN
IN
IN
IN
IN
IN
(422)
(485)
(485)
CC
= +12V
= +12V
= +12V
= +12V
RO
= −7V
= −7V
= −7V
= −7V
)
Figure 1
Figure 1
+4.75
Min
−40
−7
0
−0.2
−0.2
−0.2 −0.035
Min
1.5
2.0
1.5
1.5
3.5
24
48
0
0
0
0
0
0
0
0
0
0
0
0
A
+5.0
Typ
+25
+25
)
+0.035
−190
0.19
−0.1
0.19
−0.1
0.19
−0.1
0.19
−0.1
Typ
200
2.8
2.3
0.1
2.0
4.6
0.3
68
70
68
−65˚C to +150˚C
+5.25
Max
+12
+85
+70
±
+250
−250
+0.2
+0.2
+0.2
−0.2
−0.4
−0.2
−0.4
Max Units
0.25
0.25
5.0
5.0
5.0
5.0
5.0
3.0
3.0
0.5
0.5
400
0.5
+260˚C
Units
˚C
˚C
V
V
mA
mA
mV
mA
mA
mA
mA
mA
mA
mA
mA
mV
k
k
V
V
V
V
V
V
V
V
V
V
V
V
V
V