Datasheet

Low-Power, Slew-Rate-Limited
RS-485/RS-422 Transceivers
12 Maxim Integrated
MAX481/MAX483/MAX485/
MAX487–MAX491/MAX1487
TTL IN
t
R
, t
F
< 6ns
D
R
100pF
B
100pF
A
RECEIVER
OUT
R = 54Ω
Z
Y
500mV/div
20ns/div
A
B
RO
2V/div
V
CC
= 5V
T
A
= +25°C
500mV/div
20ns/div
A
B
RO
2V/div
V
CC
= 5V
T
A
= +25°C
500mV/div
400ns/div
A
B
RO
2V/div
V
CC
= 5V
T
A
= +25°C
500mV/div
400ns/div
A
B
RO
2V/div
V
CC
= 5V
T
A
= +25°C
Figure 14. Receiver Propagation Delay Test Circuit
Figure 15. MAX481/MAX485/MAX490/MAX491/MAX1487
Receiver t
PHL
Figure 16. MAX481/MAX485/MAX490/MAX491/MAX1487
Receiver t
PLH
Figure 17. MAX483, MAX487–MAX489 Receiver t
PHL
Figure 18. MAX483, MAX487–MAX489 Receiver t
PLH