adm1486 Analog Devices, Inc., adm1486 Datasheet - Page 8

• Manufacturer Part Number: adm1486
• Description: 5 V, 0.8 Ma Profibus Rs-485 Transceiver
• Manufacturer: Analog Devices, Inc.

ADM1486
SWITCHING CHARACTERISTICS
–VO
VO
3V
0V
0V
B
A
A, B
A, B
DE
VO
10% POINT
1/2VO
Figure 9. Driver Propagation Delay, Rise/Fall Timing
90% POINT
t
t
1.5V
t
ZH
Figure 10. Driver Enable/Disable Timing
ZL
PLH
1.5V
t
R
2.3V
2.3V
t
SKEW
= |t
PLH
– t
PHL
t
t
|
LZ
HZ
1.5V
1.5V
V
V
OH
OL
–0.5V
+0.5V
t
PHL
90% POINT
3V
0V
t
F
10% POINT
V
V
OL
OH
0V
Rev. A | Page 8 of 16
A–B
RO
RO
RO
RE
0V
t
PLH
0V
Figure 12. Receiver Enable/Disable Timing
t
t
1.5V
ZH
ZL
Figure 11. Receiver Propagation Delay
1.5V
1.5V
1.5V
t
SKEW
O/P LOW
O/P HIGH
= |t
PLH
– t
PHL
t
t
t
LZ
HZ
PHL
|
0V
1.5V
V
V
OH
OL
1.5V
–0.5V
+0.5V
3V
0V
V
V
V
V
OH
OL
OL
OH