ADM2484E
SWITCHING CHARACTERISTICS
V
DD1
V
/2
V
/2
DD1
DD1
0V
Z
tDPLH
tDPHL
A, B
0V
0V
1/2V
O
V
O
Y
tPLH
tPHL
VOH
+V
O
90% POINT
90% POINT
VDIFF = V(Y) – V(Z)
RxD
1.5V
1.5V
V
DIFF
10% POINT
10% POINT
–V
O
VOL
tDR
tDF
Figure 21. Driver Propagation Delay, Rise/Fall Timing
Figure 23. Receiver Propagation Delay
V
DD1
0.5V
tZL
0.5V
DD1
V
DD1
DD1
RE
DE
0V
0.5V
tZL
0.5V
DD1
DD1
tLZ
0V
tLZ
1.5V
RxD
V
V
+ 0.5V
– 0.5V
OL
OH
2.3V
2.3V
OUTPUT LOW
OUTPUT HIGH
Y, Z
Y, Z
V
OL
V
+ 0.5V
– 0.5V
OL
tZH
tHZ
V
V
OL
OH
tZH
tHZ
V
OH
RxD
0V
V
OH
1.5V
0V
0V
Figure 22. Driver Enable/Disable Delay
Figure 24. Receiver Enable/Disable Delay
Rev. 0 | Page 11 of 16