MAX211
5 V MULTICHANNEL RS 232 LINE DRIVER/RECEIVER
WITH
±15
kV ESD PROTECTION
SLLS567E − MAY 2003 − REVISED JANUARY 2004
PARAMETER MEASUREMENT INFORMATION
3V
VCC
S1
GND
1.5 V
Input
tPHZ
(S1 at GND)
Output
CL
(see Note A)
50
Ω
tPLZ
(S1 at VCC)
tPZL
(S1 at VCC)
Output
VOH − 0.1 V
EN
Generator
(see Note B)
3.5 V
1.5 V
0V
tPZH
(S1 at GND)
VOH
0V
SHDN
RL
3 V or 0 V
VOL + 0.1 V
Output
TEST CIRCUIT
NOTES: A.
B.
C.
D.
VOLTAGE WAVEFORMS
0.8 V
VOL
CL includes probe and jig capacitance.
The pulse generator has the following characteristics: ZO = 50
Ω,
50% duty cycle, tr
≤
10 ns, tf
≤
10 ns.
tPLZ and tPHZ are the same as tdis.
tPZL and tPZH are the same as ten.
Figure 5. Receiver Enable and Disable Times
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•
DALLAS, TEXAS 75265
9
TI [ TEXAS INSTRUMENTS ]
