Datasheet

MAX13487E/MAX13488E
Half-Duplex RS-485-/RS-422-Compatible
Transceiver with AutoDirection Control
10 ______________________________________________________________________________________
1.5V
1.5V
RO
0
0
OUTPUT NORMALLY LOW
RO
OUTPUT NORMALLY HIGH
t
RZH(SHDN)
, t
RZH
t
RHZ
t
RHZ
2.3V
2.3V
V
OH
+ 0.5V
V
OH
+ 0.5V
DI = 0V
RE
V
CC
V
CC
V
CC
0
t
RZL(SHDN)
, t
RZL
Figure 7. Receiver Enable and Disable Times
t
RZH(SHDN)
t
RZL(SHDN)
1.5V
2.3V
2.3V
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
V
CC
V
CC
C
L
S
1
S
2
0
V
CC
0
V
CC
0
SHDN
500Ω
RO
RO
RO
DI = 1
Figure 8. Receiver Enable Time from Shutdown
Test Circuits and Waveforms (continued)