Datasheet

5Maxim Integrated
+5.0V, ±30kV ESD-Protected, Fail-Safe,
Hot-Swap, RS-485/RS-422 Transceiver
MAX14780E
Test Circuits and Waveforms (continued)
Figure 4. Driver Enable and Disable Times (t
DHZ
, t
DZH
, t
DZH(SHDN)
)
Figure 5. Driver Enable and Disable Times (t
DZL
, t
DLZ,
t
DLZ(SHDN)
)
DE
OUT
t
DHZ
0
V
CC
V
CC
/2
0.25V
0
V
OH
GENERATOR
0 OR V
CC
S1
50Ω
D
OUT
t
DZH
, t
DZH(SHDN)
V
OM
= (0 + V
OH
)/2
R
L
= 500Ω
C
L
50pF
DE
V
CC
OUT
t
DLZ
0
V
CC
V
CC
/2
GENERATOR
0 OR V
CC
S1
50Ω
D
OUT
t
DZL
, t
DZL(SHDN)
V
OM
= (V
OL
+ V
CC
)/2
R
L
= 500Ω
C
L
50pF
V
OL
0.25V
V
CC