XR33193 Datasheet, PDF (10/12 Pages) Exar Corporation – 3.3V, 20Mbps, TSOT23 RS-485/RS-422 Transmitters with 15kV ESD Protection

Applications Information (Continued)
XR33193/94/95
TESTING Z: DI = OV
TESTING Y: DI = VCC
D
DE
Z
VOUT
Y
RL
CL
3V
DE
OV
VOH
VOUT
VOL
1.5V
tDZH
1.5V
tDHZ
VOH + VOL
2
VOH – 0.25V
TESTING Z: DI = VCC
TESTING Y: DI = OV
D
DE
VCC
RL
Z
VOUT
Y
CL
DE
3V
OV
VOH
VOUT
VOL
1.5V
1.5V
tDZL
VOH + VOL
2
tDLZ
VOL + 0.25V
Figure 9. Driver Enable and Disable Timing Test Circuits and Timing Diagrams
REV1A
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