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| MAX14781E_14 Datasheet, PDF (7/19 Pages) Maxim Integrated Products – Half-Duplex RS-485 Transceiver with Polarity Correction | |||
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MAX14781E
Test Circuits and Waveforms (continued)
Half-Duplex RS-485 Transceiver
with Polarity Correction
0 OR VCC
D
GENERATOR
50â¦
S1
OUT
CL
RL
DE
tDZH, tDZH(SHDN)
OUT
VOM = (0 + VOH)/2
Figure 4. Driver Enable and Disable Times (tDHZ, tDZH, tDZH(SHDN))
S1
0 OR VCC
D
GENERATOR
50â¦
VCC
VCC/2
0
0.25V
VOH
0
tDHZ
VCC
RL
OUT
CL
DE
tDZL, tDZL(SHDN)
VCC
OUT
VOM = (VOL + VCC)/2
VOL
Figure 5. Driver Enable and Disable Times (tDZL, tDLZ, tDLZ(SHDN))
www.maximintegrated.com
VCC/2
tDLZ
VCC
0
0.25V
Maxim Integrated ââ 7
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