Datasheet

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PARAMETER MEASUREMENT INFORMATION
50 W
TESTCIRCUIT VOLTAGEWAVEFORMS
-3V
-3V
3V
3V
0V
3V
Output
Input
V
OL
V
OH
t
TLH
Generator
(seeNoteB)
R
L
3V
FORCEOFF
RS-232
Output
t
THL
C
L
(seeNote A)
NOTES: A.C includesprobeandjigcapacitance.
L
B. Thepulsegeneratorhasthefollowingcharacteristics:PRR=250kbit/s,Z =50 ,50%dutycycle,t 10ns,t 10ns.
O r f
W £ £
50 W
TESTCIRCUIT VOLTAGEWAVEFORMS
0V
3V
Output
Input
V
OL
V
OH
t
PLH
Generator
(seeNoteB)
R
L
3V
FORCEOFF
RS-232
Output
t
PHL
C
L
(seeNote A)
50%
50%
1.5V
1.5V
NOTES: A.C includesprobeandjigcapacitance.
L
B. Thepulsegeneratorhasthefollowingcharacteristics:PRR=250kbit/s,Z =50 ,50%dutycycle,t 10ns,t 10ns.
O r f
W £ £
TESTCIRCUIT VOLTAGEWAVEFORMS
50 W
-3V
3V
Output
Input
V
OL
V
OH
t
PHL
Generator
(seeNoteB)
t
PLH
Output
C
L
(seeNote A)
3Vor0V
FORCEON
3V
FORCEOFF
1.5V 1.5V
50% 50%
NOTES: A.C includesprobeandjigcapacitance.
L
B. Thepulsegeneratorhasthefollowingcharacteristics:PRR=250kbit/s,Z =50 ,50%dutycycle,t 10ns,t 10ns.
O r f
W £ £
MAX3221-EP
3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER
WITH ± 15-kV ESD PROTECTION
SLLS751 – OCTOBER 2006
Figure 1. Driver Slew Rate
Figure 2. Driver Pulse Skew
Figure 3. Receiver Propagation Delay Times
7
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