MAX3080 Maxim, MAX3080 Datasheet - Page 16

• Manufacturer Part Number: MAX3080
• Description: Fail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
• Manufacturer: Maxim

Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
Figure 7. Driver Timing Test Circuit
Figure 9. Driver Propagation Delays
Figure 11. Receiver Propagation Delays
16
V
-1V
RO
1V
DIFF
DI
V
V
______________________________________________________________________________________
-V
OH
OL
3V
0V
V
0V
A
B
Y
O
O
Z
V
1/2 V
O
1.5V
t
R
10%
O
DI
DE
3V
90%
Y
Z
1.5V
t
PLH
V
t
t
PHL
SKEW =
DIFF
V
ID
INPUT
= V (Y) - V (Z)
|
t
PLH
OUTPUT
- t
R
C
C
DIFF
PHL
L1
L2
t
t
PHL
PLH
|
t
F
90%
1.5V
1.5V
10%
1/2 V
O
Figure 8. Driver Enable/Disable Timing Test Load
Figure 10. Driver Enable and Disable Times (except
MAX3081/MAX3084/MAX3087)
Figure 12. Receiver Enable and Disable Times (except
MAX3081/MAX3084/MAX3087)
RO
RO
RE
DE
V
Y, Z
Y, Z
V
3V
0V
0V
CC
3V
0V
0V
OL
UNDER TEST
OUTPUT
1.5V
1.5V
C
2.3V
1.5V
2.3V
1.5V
L
t
t
t
t
ZL(SHDN)
ZH(SHDN)
ZL(SHDN)
ZH(SHDN)
500
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
OUTPUT NORMALLY LOW
, t
, t
, t
, t
ZL
ZL
ZH
ZH
t
t
t
HZ
t
HZ
LZ
LZ
S1
S2
1.5V
1.5V
V
V
V
V
V
OL
OH
OL
OH
CC
+0.5V
+ 0.5V
-0.5V
- 0.5V