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| MAX13430E_14 Datasheet, PDF (9/20 Pages) Maxim Integrated Products – RS-485 Transceivers with Low-Voltage Logic Interface | |||
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MAX13430EâMAX13433E
RS-485 Transceivers with Low-Voltage
Logic Interface
Test Circuits and Waveforms (continued)
0 OR VL
GENERATOR
Y
S1
D
Z
DE
50Ω
OUT
CL
RL = 500Ω
50pF
DE
tDZH, tDZH(SHDN)
OUT
VOM = (0 + VOH)/2
Figure 4. Driver Enable and Disable Times (tDHZ, tDZH, and tDZH(SHDN))
0 OR VL
GENERATOR
Y
S1
D
Z
DE
50Ω
VL
VL/2
0
0.25V
VOH
0
tDHZ
VCC
RL = 500Ω
OUT
CL
50pF
DE
tDZL, tDZL(SHDN)
VCC
OUT
VOM = (VOL + VCC)/2
VOL
Figure 5. Driver Enable and Disable Times (tDZL, tDLZ, and tDZL(SHDN))
Maxim Integrated
VL/2
tDLZ
VL
0
0.25V
9
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