Datasheet

ADM2481 Data Sheet
Rev. A | Page 12 of 20
SWITCHING CHARACTERISTICS
04736-009
t
PLH
V
DD1
0V
B
A
V
OH
A, B
V
OL
0.5V
DD1
0.5V
DD1
t
SKEW
= | t
PLH
– t
PHL
|
t
F
10% POINT
10% POINT
90% POINT
90% POINT
1/2V
OD
t
R
t
PHL
V
OD
Figure 22. Driver Propagation Delay, Rise/Fall Timing
08920-010
V
OH
0V0V
1.5V1.5V
V
OL
A – B
RxD
t
PLH
t
PHL
t
SKEW
= | t
PLH
– t
PHL
|
Figure 23. Receiver Propagation Delay
08920-011
DE
2.3V
0.5V
DD1
V
OH
0V
V
OL
V
OH
– 0.5V
0.7
V
DD1
0.3V
DD1
V
OL
+ 0.5V
0.5V
DD1
2.3V
A, B
A, B
t
ZL
t
ZH
t
LZ
t
HZ
Figure 24. Driver Enable/Disable Timing
08920-012
V
OH
V
OL
V
OH
– 0.5V
0.7
V
DD1
0.3V
DD1
V
OL
+ 0.5V
RE
RxD
RxD
0V
OUTPUT LOW
OUTPUT HIGH
1.5V
0.5V
DD1
1.5V
t
ZL
t
ZH
0.5V
DD1
t
LZ
t
HZ
Figure 25. Receiver Enable/Disable Timing