MAX3232
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
SLLS410E – JANUARY 2000 – REVISED DECEMBER 2001
PARAMETER MEASUREMENT INFORMATION
3V
Generator
(see Note B)
RS-232
Output
50
Ω
RL
CL
(see Note A)
Output
TEST CIRCUIT
Input
1.5 V
tPHL
50%
VOLTAGE WAVEFORMS
1.5 V
0V
tPLH
VOH
50%
VOL
NOTES: A. CL includes probe and jig capacitance.
B. The pulse generator has the following characteristics: PRR = 250 kbit/s, ZO = 50
Ω,
50% duty cycle, tr
≤
10 ns, tf
≤
10 ns.
Figure 2. Driver Pulse Skew
Input
Output
Generator
(see Note B)
50
Ω
CL
(see Note A)
Output
TEST CIRCUIT
tPHL
3V
1.5 V
1.5 V
–3 V
tPLH
VOH
50%
VOLTAGE WAVEFORMS
50%
VOL
NOTES: A. CL includes probe and jig capacitance.
B. The pulse generator has the following characteristics: ZO = 50
Ω,
50% duty cycle, tr
≤
10 ns, tf
≤
10 ns.
Figure 3. Receiver Propagation Delay Times
6
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
