Datasheet

ADM488A/ADM489A
Rev. A | Page 10 of 16
SWITCHING CHARACTERISTICS
Z
Y
t
PLH
t
PHL
1/2V
O
V
O
90% POINT
10% POINT 10% POINT
90% POINT
t
DR
t
DF
–V
O
V
DIFF
+V
O
0V
V
CC
V
CC
/2 V
CC
/2
08498-011
V
DIFF
= V
(Y)
– V
(Z)
Figure 16. Driver Propagation Delay, Rise/Fall Timing
08498-012
t
PLH
t
PHL
A – B
RO
0V 0V
1.5V
1.5V
V
OH
V
OL
t
SKEW
= | t
PLH
– t
PHL
|
Figure 17. Receiver Propagation Delay
V
OH
V
OL
V
OL
+ 0.5V
V
OH
– 0.5V
DE
Y, Z
Y, Z
V
CC
0V
0V
0.5V
CC
0.5V
CC
t
ZL
t
LZ
t
ZH
t
HZ
2.3V
2.3V
08498-013
Figure 18. Driver Enable/Disable Timing
t
ZH
t
ZL
t
LZ
t
HZ
OUTPUT LOW
OUTPUT HIGH
1.5V
1.5V
RO
RO
RE
0V
0.7V
CC
0.3V
CC
V
OL
V
OH
V
OL
+ 0.5V
V
OH
– 0.5V
08498-014
0.5V
CC
0.5V
CC
Figure 19. Receiver Enable/Disable Timing