Datasheet

MAX3080E–MAX3089E
±15kV ESD-Protected, Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
16 ______________________________________________________________________________________
DI
DE
3V
Y
Z
C
L1
C
L2
R
DIFF
V
OD2
OUTPUT
UNDER TEST
500Ω
S1
S2
V
CC
C
L
Figure 7. Driver Timing Test Circuit Figure 8. Driver Enable and Disable Timing Test Load
DI
5V
0
Z
Y
V
O
0
-V
O
V
O
1.5V
t
DPLH
1/2 V
O
10%
t
DR
90%
90%
t
DPHL
1.5V
1/2 V
O
10%
t
DF
V
DIFF
= V (Y) - V (Z)
V
DIFF
t
SKEW = |
t
DPLH
- t
DPHL |
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
5V
0
Y, Z
V
OL
Y, Z
0
1.5V 1.5V
V
OL
+0.5V
V
OH
-0.5V
2.3V
2.3V
t
DZL(SHDN)
, t
DZL
t
DLZ
t
DZH(SHDN)
, t
DZH
t
DHZ
DE
Figure 9. Driver Propagation Delays Figure 10. Driver Enable and Disable Times (Except
MAX3081E/MAX3084E/MAX3087E)
V
OH
V
OL
A
B
1V
-1V
1.5V 1.5V
OUTPUT
INPUT
RO
t
RPLH
t
RPHL
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
5V
0
V
CC
RO
RO
0
1.5V 1.5V
V
OL
+ 0.5V
V
OH
- 0.5V
1.5V
1.5V
t
RZL(SHDN)
, t
RZL
t
RLZ
t
RZH(SHDN)
, t
RZH
t
RHZ
RE
Figure 11. Receiver Propagation Delays Figure 12. Receiver Enable and Disable Times (Except
MAX3081E/MAX3084E/MAX3087E)