Datasheet

Figure 13. MAX235 Pin Configuration and Typical Operating Circuit
1.0µF
+5V INPUT
GND
11
6
23
5
R2OUT
RS-232
INPUTS
TTL/CMOS
OUTPUTS
14
13
21
R5OUT
5kΩ
17
18
R4OUT
5kΩ
24
R3OUT
5kΩ
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
R3IN
R3OUT
T5IN
SHDNT2OUT
T1OUT
T3OUT
T4OUT
EN
T5OUT
R4IN
R4OUTT1IN
T2IN
R2OUT
R2IN
16
15
14
13
9
10
11
12
T4IN
T3IN
R5OUT
R5INV
CC
GND
R1IN
R1OUT
DIP
MAX235
5kΩ
9 10
R1OUT
R1IN
R2IN
R3IN
R4IN
R5IN
5kΩ
7
15
3
4
T2IN
T3OUT
RS-232
OUTPUTS
TTL/CMOS
INPUTS
22
19T5IN
T5OUT
+5V
16
1T4IN
T4OUT
+5V
2
T3IN
+5V
+5V
8
T1IN
T1OUT
+5V
T2OUT
T1
T1
R2
R3
R4
R5
T2
T3
T5
T4
400kΩ
400kΩ
400kΩ
400kΩ
400kΩ
SHDN
EN
20
12
V
CC
+
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MAX220–MAX249 +5V-Powered, Multichannel
RS-232 Drivers/Receivers
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