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MAX13085EASA Datasheet, PDF (11/24 Pages) Maxim Integrated Products – +5.0V, +15,-15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceivers
MAX13080E–MAX13084E/
MAX13086E–MAX13089E
+5.0V, ±15kV ESD-Protected, Fail-Safe,
Hot-Swap, RS-485/RS-422 Transceivers
Test Circuits and Waveforms (continued)
B
RECEIVER
ATE
VID
OUTPUT
R
A
Figure 6. Receiver Propagation Delay Test Circuit
A
B
VOH
VOL VCC/2
RO
tRPLH
THE RISE TIME AND FALL TIME OF INPUTS A AND B < 4ns
Figure 7. Receiver Propagation Delays
+1V
-1V
tRPHL
+1.5V
S3
-1.5V
VID R
1kΩ
CL
15pF
S1
VCC
S2
GENERATOR
50Ω
RE
RO
RE
S1 OPEN
S2 CLOSED
S3 = +1.5V
S1 OPEN
S2 CLOSED
S3 = +1.5V
VCC/2
tRHZ
VCC
0
tRZH, tRZH(SHDN)
VOH
VOH / 2
0
VCC
0
VOH
0.25V
RO
0
Figure 8. Receiver Enable and Disable Times
Maxim Integrated
S1 CLOSED
S2 OPEN
S3 = -1.5V
VCC
VCC/2
RE
0
tRZL, tRZL(SHDN)
VCC
(VOL + VCC) / 2
RO
VOL
S1 CLOSED
S2 OPEN
S3 = -1.5V
VCC
VCC/2
RE
0
tRLZ
VCC
RO
0.25V
VOL
11