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DS36C280TM Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DS36C280TM
Description  Slew Rate Controlled CMOS EIA-RS-485 Transceiver
PDF  10 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DS36C280TM Datasheet(HTML) 3 Page - National Semiconductor (TI)

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Electrical Characteristics (Notes 3, 4) (Continued)
Over Supply Voltage and Operating Temperature ranges, unless otherwise specified
Symbol
Parameter
Conditions
Reference
Min
Typ
Max
Units
RECEIVER CHARACTERISTICS
I
OSR
Short Circuit Current
V
O = GND
RO
7
35
85
mA
I
OZR
TRI-STATE Leakage
Current
V
O = 0.4V to 2.4V
±1µA
DEVICE CHARACTERISTICS
V
IH
High Level Input Voltage
DE/RE*,
DI
2.0
V
CC
V
V
IL
Low Level Input Voltage
GND
0.8
V
I
IH
High Level Input Current
V
IH =VCC
2µA
I
IL
Low Level Input Current
V
CC = 5.0V
V
IL =0V
−2
µA
V
CC = +3.0V
−2
µA
SR=0V
SR
−1
mA
I
CCR
Power Supply Current
(No Load)
Driver OFF, Receiver ON
V
CC
200
500
µA
I
CCD
Driver ON, Receiver OFF
200
500
µA
Switching Characteristics (Notes 4, 9, 11)
Over Supply Voltage and Operating Temperature ranges, unless otherwise specified
Symbol
Parameter
Conditions
Reference
Min
Typ
Max
Units
DRIVER CHARACTERISTICS
t
PHLD
Differential Propagation
Delay High to Low
R
L =54Ω,CL = 100 pF
Figures 5, 6
10
399
1000
ns
t
PLHD
Differential Propagation
Delay Low to High
10
400
1000
ns
t
SKD
Differential Skew
0
1
10
ns
|t
PHLD −tPLHD|
t
r
Rise Time
SR = Open
2870
ns
t
f
Fall Time
3070
ns
t
r
Rise Time
SR = 100 k
Ω
1590
ns
t
f
Fall Time
1640
ns
t
r
Rise Time
SR = Short
100
337
1000
ns
t
f
Fall Time
100
348
1000
ns
t
PHZ
Disable Time High to Z
C
L =15pF
Figures 7, 8
1100
2000
ns
t
PLZ
Disable Time Low to Z
Figures 9, 10
500
800
ns
t
PZH
Enable Time Z to High
C
L = 100 pF
Figures 7, 8
300
500
ns
t
PZL
Enable Time Z to Low
Figures 9, 10
300
500
ns
RECEIVER CHARACTERISTICS
t
PHL
Propagation Delay
High to Low
C
L =15pF
Figures 12, 13
30
210
400
ns
t
PLH
Propagation Delay
Low to High
30
190
400
ns
t
SK
Skew, |t
PHL −tPLH|
0
20
50
ns
t
PLZ
Output Disable Time
C
L =15pF
Figures 14, 15, 16
50
150
ns
t
PHZ
55
150
ns
t
PZL
Output Enable Time
40
150
ns
t
PZH
45
150
ns
Note 2: “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. They are not meant to imply that the devices
should be operated at these limits. The table of “Electrical Characteristics” specifies conditions of device operation.
Note 3: Current into device pins is defined as positive. Current out of device pins is defined as negative. All voltages are referenced to ground except VOD1 and VOD2.
Note 4: All typicals are given for: VCC = +5.0V, TA = + 25˚C.
Note 5: Delta |VOD2| and Delta |VOC| are changes in magnitude of VOD2 and VOC, respectively, that occur when input changes state.
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