XR33052 Datasheet, PDF (11/18 Pages) Exar Corporation – 60V Fault Tolerant 3.0V to 5.5V RS-485/RS-422 Transceivers

Applications Information (Continued)
XR33052/53/55/58
DI = OV or VCC
D
DE = OV or VCC
Z
IOSD
Y _{-60V to 60V V}
Figure 5. Driver Output Short Circuit Current
DEVICE POWERED
ON/OFF
TRANSCEIVER,
GENERATOR,
RECEIVER
A OR Z
100Ω±1%
B OR Y
VTEST
15 μs DURATION
1% DUTY CYCLE
Figure 6. Transient Overvoltage Test Circuit
DI
3V
OV
Z
VOD
(VY - VZ)
Y
VOD+
OV
VOD–
1.5V
tDPLH
1.5V
VOD
tSKEW = tDPLH – tDPHL
tDPHL
10%
90%
tDR
90%
10%
tDF
DI
D
VOD RL
Z
CL
Y
DE = VCC
Figure 7. Driver Propagation Delay Test Circuit and Timing Diagram
REV2A
11/18