National DS36C278 Home Security System User Manual


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Electrical Characteristics (Continued)
Over Supply Voltage and Operating Temperature ranges unless otherwise specified (Notes 2 and 3)
Symbol Parameter Conditions Reference Min Typ Max Units
I
IN
Line Input Current Other Input
e
0V DS36C278 V
IN
ea
12V 0 019 025 mA
DE
e
V
IL
RE
e
V
IL
(Note 7)
V
IN
eb
7V 0
b
01
b
02 mA
V
CC
e
475 to 525
DS36C278T
V
IN
ea
12V 0 019 05 mA
or 0V
V
IN
eb
7V 0
b
01
b
04 mA
I
ING
Line Input Current Glitch Other Input
e
0V DS36C278 V
IN
ea
12V 0 019 025 mA
DE
e
V
IL
RE
e
V
IL
(Note 7)
V
IN
eb
7V 0
b
01
b
02 mA
V
CC
ea
30V or 0V
DS36C278T V
IN
ea
12V 0 019 05 mA
T
A
e
25
C
V
IN
eb
7V 0
b
01
b
04 mA
I
B
Input Balance Test RS
e
500X (422) (Note 9)
g
400 mV
V
OH
High Level Output Voltage I
OH
eb
4 mA V
ID
ea
02V
Figure 11
RO
35 46 V
V
OL
Low Level Output Voltage I
OL
ea
4 mA V
ID
eb
02V 03 05 V
I
OSR
Short Circuit Current V
O
e
GND
RO
73585mA
I
OZR
TRI-STATE Leakage Current V
O
e
04V to 24V
g
1 mA
DEVICE CHARACTERISTICS
V
IH
High Level Input Voltage
RE
DE
DI
20 V
CC
V
V
IL
Low Level Input Voltage GND 08 V
I
IH
High Level Input Current V
IH
e
V
CC
2 mA
I
IL
Low Level Input Current V
CC
e
5V
V
IL
e
0V
b
2 mA
V
CC
ea
30V
b
2 mA
I
CC
Power Supply Current Driver and Receiver ON
V
CC
200 500 mA
I
CCR
(No Load)
Driver OFF Receiver ON 200 500 mA
I
CCD
Driver ON Receiver OFF 200 500 mA
I
CCZ
Driver and Receiver OFF 200 500 mA
Switching Characteristics
Over Supply Voltage and Operating Temperature ranges unless otherwise specified (Notes 3 and 8)
Symbol Parameter Conditions Reference Min Typ Max Units
DRIVER CHARACTERISTICS
t
PHLD
Differential Propagation R
L
e
54XC
L
e
100 pF
Figures 5 6
10 39 80 ns
Delay High to Low
t
PLHD
Differential Propagation
10 40 80 ns
Delay Low to High
t
SKD
Differential Skew
0 1 10 ns
l
t
PHLD
b
t
PLHD
l
t
r
Rise Time 3 25 50 ns
t
f
Fall Time 3 25 50 ns
t
PHZ
Disable Time High to Z C
L
e
15 pF
Figures 7 8
80 200 ns
t
PLZ
Disable Time Low to Z RE
e
L
Figures 9 10
80 200 ns
t
PZH
Enable Time Z to High C
L
e
100 pF
Figures 7 8
50 200 ns
t
PZL
Enable Time Z to Low RE
e
L
Figures 9 10
65 200 ns
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