Datasheet

Data Sheet ADM2486
Rev. E | Page 11 of 20
SWITCHING CHARACTERISTICS
04604-011
t
PAHL
t
PBHL
t
PALH
t
PBLH
V
DD1
0V
VO
B
A
V
OH
A, B
V
OL
0.5V
DD1
0.5V
DD1
t
SKEW
t
F
t
R
10% POINT
10% POINT
90% POINT
90% POINT
1/2VO
t
SKEW
t
PWD
= |t
PALH
– t
PAHL
|, |t
PBLH
– t
PBHL
|
Figure 12. Driver Propagation Delay, Rise/Fall Timing
t
SKEW
= |t
PLH
– t
PHL
|
04604-019
A – B
RxD
0V 0V
1.5V 1.5V
t
PHL
t
PHL
V
OH
V
OL
Figure 13. Receiver Propagation Delay
V
OH
V
OH
– 0.5V
V
OL
V
OH
+ 0.5V
04604-021
t
LZ
t
ZL
t
HZ
t
ZH
A,
B
A, B
RTS
0.7V
DD1
0.3V
DD1
0.5V
DD1
0.5V
DD1
2.3V
2.3V
0V
Figure 14. Driver Enable/Disable Timing
04604-020
0.7V
DD1
0.3V
DD1
0.5V
DD1
0.5V
DD1
V
OH
V
OL
O/P LOW
O/P HIGH
t
LZ
t
ZL
t
HZ
t
ZH
V
OH
– 0.5V
V
OH
+ 0.5V
1.5V
1.5V
RxD
RxD
RE
0V
Figure 15. Receiver Enable/Disable Timing