MAX239 Maxim Integrated Products, MAX239 Datasheet - Page 24

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MAX239

Manufacturer Part Number
MAX239
Description
(MAX220 - MAX249) +5V-Powered / Multichannel RS-232 Drivers/Receivers
Manufacturer
Maxim Integrated Products
Datasheet

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+5V-Powered, Multichannel RS-232
Drivers/Receivers
Figure 15. MAX237 Pin Configuration and Typical Operating Circuit
24
______________________________________________________________________________________
TOP VIEW
T3
T1
T2
R1
R1
GND
T2
T1
V
C1+
OUT
OUT
OUT
OUT
C1-
CC
V+
IN
IN
IN
10
11
12
1
2
3
4
5
6
7
8
9
MAX237
DIP/SO
24
23
22
21
20
19
18
17
16
15
14
13
T4
R2
R2
T5
T5
T4
T3
R3
R3
V-
C2-
C2+
OUT
IN
OUT
IN
IN
IN
OUT
OUT
IN
TTL/CMOS
TTL/CMOS
OUTPUTS
INPUTS
1.0µF
1.0µF
10
12
13
14
18
19
21
22
17
7 T1
6
5
C1+
C1-
C2+
C2-
T2
T3
T4
T5
R1
R2
R3
IN
IN
IN
IN
IN
OUT
OUT
OUT
+5V
+5V
+5V
+5V
+5V
1.0µF
VOLTAGE INVERTER
VOLTAGE DOUBLER
400kΩ
400kΩ
400kΩ
400kΩ
400kΩ
+10V TO -10V
+5V TO +10V
+5V INPUT
GND
T5
T1
T2
T3
T4
V
CC
R1
R2
R3
8
9
5kΩ
5kΩ
5kΩ
T2
T3
T1
T4
T5
R2
R3
R1
OUT
OUT
OUT
OUT
OUT
V+
IN
IN
V-
IN
2
3
1
20
4
23
16
24
11
15
1.0µF
1.0µF
RS-232
OUTPUTS
RS-232
INPUTS

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