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Part Name
Description
ADM488ABRMZ-REEL71 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADM488ABRMZ-REEL71
Full-Duplex, Low Power, Slew Rate Limited, EIA RS-485 Transceivers
Analog Devices
ADM488ABRMZ-REEL71 Datasheet PDF : 16 Pages
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ADM488A/ADM489A
SWITCHING CHARACTERISTICS
V
CC
V
CC
/2
0V
t
PLH
Z
1/2V
O
V
O
V
CC
/2
t
PHL
Y
+V
O
V
DIFF
–V
O
90% POINT
V
DIFF
= V
(Y)
– V
(Z)
90% POINT
10% POINT
t
DR
10% POINT
t
DF
Figure 16. Driver Propagation Delay, Rise/Fall Timing
A–B
RO
0V
0V
t
PLH
t
PHL
t
SKEW
= |
t
PLH
–
t
PHL
|
1.5V
1.5V
V
OH
V
OL
Figure 17. Receiver Propagation Delay
DE
0.5V
CC
t
ZL
2.3V
0.5V
CC
t
LZ
V
CC
0V
Y, Z
t
ZH
2.3V
Y, Z
V
OL
+ 0.5V
t
HZ
V
OH
– 0.5V
V
OL
V
OH
0V
Figure 18. Driver Enable/Disable Timing
RE
0.5V
CC
t
ZL
0.5V
CC
t
LZ
0.7V
CC
0.3V
CC
1.5V
RO
OUTPUT LOW
V
OL
+ 0.5V
V
OL
t
ZH
t
HZ
OUTPUT HIGH
V
OH
RO
1.5V
V
OH
– 0.5V
0V
Figure 19. Receiver Enable/Disable Timing
Rev. 0 | Page 10 of 16
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