MAX239C-D View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX239C-D Datasheet PDF : 36 Pages
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+5V-Powered, Multichannel RS-232
Drivers/Receivers
TOP VIEW
+5V INPUT
0.1µF
ALL CAPACITORS = 0.1µF
0.1µF
C1+ 1
V+ 2
C1- 3
C2+ 4
C2- 5
V- 6
T2OUT 7
R2IN 8
MAX243
DIP/SO
16 VCC
15 GND
14 T1OUT
13 R1IN
12 R1OUT
11 T1IN
10 T2IN
9 R2OUT
0.1µF
0.1µF
TTL/CMOS
INPUTS
1
C1+
3 C1-
4 C2+
5 C2-
11 T1IN
10 T2IN
16
VCC
+5V TO +10V
VOLTAGE DOUBLER
+10V TO -10V
VOLTAGE INVERTER
+5V
400kΩ
+5V
400kΩ
2
V+
+10V
6
V-
-10V
0.1µF
T1OUT 14
T2OUT 7
RS-232
OUTPUTS
12 R1OUT
R1IN 13
TTL/CMOS
OUTPUTS
RECEIVER INPUT
≤ -3 V
OPEN
≥ +3V
R1 OUTPUT
HIGH
HIGH
LOW
R2 OUTPUT
HIGH
LOW
LOW
9 R2OUT
GND
15
5kΩ
R2IN 8
5kΩ
RS-232
INPUTS
Figure 19. MAX243 Pin Configuration and Typical Operating Circuit
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