Datasheet
+5V, RS-232 Transceivers
with 0.1µF External Capacitors
MAX211 Pin Configuration/Typical Operating Circuit
GND
T1
OUT
T3
OUT
T4
OUT
T2
OUT
+5V
+5V
+5V
+5V
T1
IN
T2
IN
T3
IN
T4
IN
7
6
20
21
TTL/CMOS
INPUTS
RS-232
OUTPUTS
TTL/CMOS
OUTPUTS
RS-232
INPUTS
10
28
1
3
2
T1
T2
T3
T4
R1
OUT
R1
IN
R2
IN
R3
IN
R4
IN
R5
IN
SHDN
R2
OUT
R3
OUT
R4
OUT
R5
OUT
EN
8
5
26
22
19
24
25
9
4
27
23
18
R1
R2
R3
R4
R5
TOP VIEW
5kI
5kI
5kI
5kI
5kI
28
27
26
25
24
23
21
1
2
3
4
5
6
8
T4
OUT
R3
IN
R3
OUT
SHDN
R2
IN
T2
OUT
T1
OUT
T3
OUT
R4
IN
T4
IN
R1
OUT
T2
IN
22
7
R4
OUT
T1
IN
19
10
R5
OUT
GND
20
9
T3
IN
R1
IN
17
12
V-
C1+
18
11
R5
IN
V
CC
15
14
C2+
C1-
16
13
C2-
V+
R2
OUT
SO/SSOP
+5V INPUT
+5V TO +10V
VOLTAGE DOUBLER
+10V TO -10V
VOLTAGE INVERTER
C1+
C1-
C2+
C2-
11
13
12
0.1FF
+6.3V
0.1FF
+16V
0.1FF
+16V
0.1FF
+6.3V
V+
V-
14
15
16
17
V
CC
EN
400kI
400kI
400kI
400kI
0.1FF
MAX211
MAX211
MAX200–MAX209/MAX211/MAX213
Maxim Integrated
19