3 .3 V-P o w e re d , 1 0 Mb p s a n d S le w -Ra t e -Lim it e d
Tru e RS -4 8 5 /RS -4 2 2 Tra n s c e ive rs
375Ω
R
L
2
V
=
CM
V
OD
D
-7V to +12V
R
L
V
OD
D
R
L
V
OC
V
CC
2
V
CC
375Ω
Figure 4. Driver V and V
Figure 5. Driver V with Varying Common-Mode Voltage
OD
OC
OD
V
ID
R
0V
V
OL
V
OH
I
OL
I
OH
(+)
(-)
Figure 6. Receiver V and V
OH
OL
3V
IN
1.5V
1.5V
C
L
0V
OUT
D
R =
L
60Ω
t
DO
t
DO
GENERATOR
(NOTE 4)
50Ω
≈ 2.0V
90%
90%
V
CC
50%
10%
50%
10%
OUT
C
L
≈ -2.0V
C = 15pF (NOTE 5)
L
t
TD
t
TD
Figure 7. Driver Differential Output Delay and Transition Times
5680/MAX3491
8
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