MAX14780E Datasheet, PDF (5/14 Pages) Maxim Integrated Products – 5.0V, 30kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceiver

+5.0V, ±30kV ESD-Protected, Fail-Safe,
Hot-Swap, RS-485/RS-422 Transceiver
Test Circuits and Waveforms (continued)
0 OR V_CC
D
GENERATOR
50Ω
S1
OUT
C_L
R_L = 500Ω
50pF
DE
t_DZH, t_DZH(SHDN)
OUT
VOM = (0 + VOH)/2
Figure 4. Driver Enable and Disable Times (tDHZ, tDZH, tDZH(SHDN))
S1
0 OR V_CC
D
GENERATOR
50Ω
V_CC
VCC/2
0
0.25V
VOH
0
t_DHZ
VCC
R_L = 500Ω
OUT
CL
50pF
DE
t_DZL, t_DZL(SHDN)
V_CC
OUT
VOM = (VOL + VCC)/2
VOL
Figure 5. Driver Enable and Disable Times (tDZL, tDLZ, tDLZ(SHDN))
VCC/2
tDLZ
V_CC
0
0.25V
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