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XR33152_17 Datasheet, PDF (16/21 Pages) Exar Corporation – 60V Fault Tolerant 3.0V to 5.5V RS-485/RS-422 Transceivers
Applications Information (Continued)
B
R
A
RE
XR33152/XR33155/XR33156/XR33158
RO
RL
CL
3V
RE
OV
VA = VCC
VB = OV
VOH
RO
OV
1.5V
1.5V
tRZH
tRHZ
VOH
VOH – 0.25V
2
B
R
A
RE
VCC
RL
RO
CL
RE
3V
OV
VA = OV
VB = VCC
VCC
RO
VOL
1.5V
1.5V
tRZL
VCC + VOL
2
tRLZ
VOL + 0.25V
Figure 10. Receiver Enable and Disable Test Circuits and Timing Diagrams
REV2B
15/19