Test circuits and waveforms (continued) – Rainbow Electronics MAX3079E User Manual
Page 10
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MAX3070E–MAX3079E
+3.3V, ±15kV ESD-Protected, Fail-Safe,
Hot-Swap, RS-485/RS-422 Transceivers
10
______________________________________________________________________________________
Test Circuits and Waveforms (continued)
DE
OUT
t
DHZ
0
V
CC
V
CC
/ 2
0.25V
0
V
OH
GENERATOR
0 OR 3V
S1
50
Ω
D
OUT
t
DZH
, t
DZH(SHDN)
V
OM
= (0 + V
OH
) / 2
R
L
= 500
Ω
C
L
50pF
Figure 4. Driver Enable and Disable Times (t
DHZ
, t
DZH
, t
DZH(SHDN)
)
DE
V
CC
OUT
t
DLZ
0
V
CC
V
CC
/ 2
GENERATOR
0 OR 3V
S1
50
Ω
D
OUT
t
DZL
, t
DZL(SHDN)
V
OM
= (V
OL
+ V
CC
) / 2
R
L
= 500
Ω
C
L
50pF
V
OL
0.25V
V
CC
Figure 5. Driver Enable and Disable Times (t
DZL
, t
DLZ
, t
DLZ(SHDN)
)
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