I
I
t
r
, t
f
– RISE, FALL TIME – ns
V
CC
= 5 V
I
I
= 7.5 mA
t
RISE
t
FALL
1
B
A
2
3
4
V
CC
8
7
6
5
0.1 µF
BYPASS
+5 V
350
Ω
OUTPUT V
O
MONITORING
NODE
300
290
60
R
L
= 4 kΩ
R
L
= 1 kΩ
40
20
0
-60 -40 -20
R
L
= 350
Ω
R
L
= 350
Ω,
1 kΩ, 4 kΩ
0 20 40 60 80 100
GND
V
CM
+
–
PULSE
GENERATOR
Z
O
= 50
Ω
T
A
– TEMPERATURE – °C
V
CM
(PEAK)
V
CM
V
O
0V
5V
SWITCH AT A: I
I
= 0 mA
V
O
(MIN.)
SWITCH AT B: I
I
= 7.5 mA
V
O
(MAX.)
0.5 V
CM
L
Figure 12. Typical Rise and Fall Time
vs. Temperature.
CM
H
V
O
Figure 13. Test Circuit for Common Mode Transient Immunity and Typical
Waveforms.
GND BUS (BACK)
I
TH
– INPUT THRESHOLD CURRENT – mA
5
4
3
R
L
= 350
Ω
2
R
L
= 1 kΩ
1
R
L
= 4 kΩ
V
CC
= 5.0 V
V
O
= 0.6 V
V
CC
BUS (FRONT)
NC
ENABLE
(IF USED)
0.1µF
NC
NC
OUTPUT 1
0
-60 -40 -20
0
20
40
60
80 100
0.1µF
ENABLE
(IF USED)
T
A
– TEMPERATURE – °C
NC
OUTPUT 2
Figure 14. Typical Input Threshold
Current vs. Temperature.
10 mm MAX.
(SEE NOTE 1)
Figure 15. Recommended Printed Circuit Board Layout.
1-324
HP [ AGILENT(HEWLETT-PACKARD) ]
