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DS36C279TM Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DS36C279TM
Description  Low Power EIA-RS-485 Transceiver with Sleep Mode
PDF  10 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DS36C279TM Datasheet(HTML) 3 Page - National Semiconductor (TI)

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Electrical Characteristics (Notes 4, 5) (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 =5V
V
IL =0V
−2
µA
V
CC = +3.0V
−2
µA
I
CC
Power Supply Current
(No Load)
Driver and Receiver ON
V
CC
200
500
µA
I
CCR
Driver OFF, Receiver ON
200
500
µA
I
CCD
Driver ON, Receiver OFF
200
500
µA
I
CCX
Sleep Mode
0.2
10
µA
Switching Characteristics (Notes 5, 10)
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
39
80
ns
t
PLHD
Differential Propagation
Delay Low to High
10
40
80
ns
t
SKD
Differential Skew
0
1
10
ns
|t
PHLD −tPLHD|
t
r
Rise Time
325
50
ns
t
f
Fall Time
325
50
ns
t
PHZ
Disable Time High to Z
C
L =15pF
RE*=L
Figures 7, 8
80
200
ns
t
PLZ
Disable Time Low to Z
Figures 9, 10
80
200
ns
t
PZH
Enable Time Z to High
C
L = 100 pF
RE*=L
Figures 7, 8
50
200
ns
t
PZL
Enable Time Z to Low
Figures 9, 10
65
200
ns
t
PSH
Driver Enable from Sleep
C
L = 100 pF
Figures 7, 8
70
98
250
ns
Mode to Output High
(Note 11)
t
PSL
Driver Enble from Sleep
C
L = 100 pF
Figures 9, 10
70
98
250
ns
Mode to Output Low
(Note 11)
RECEIVER CHARACTERISTICS
t
PHL
Propagation Delay
C
L =15pF
Figures 12, 13
30
210
400
ns
High to Low
t
PLH
Propagation Delay
30
190
400
ns
Low to High
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
DE = H
55
150
ns
t
PZL
Output Enable Time
40
150
ns
t
PZH
45
150
ns
t
PSH
Receiver Enable from Sleep
C
L =15pF
Figures 14, 16
70
97
250
ns
Mode to Output High
(Note 11)
t
PSL
Receiver Enable from Sleep
C
L =15pF
Figures 14, 15
70
95
250
ns
www.national.com
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