MAX242CPN Maxim Integrated Products, MAX242CPN Datasheet - Page 18

• Manufacturer Part Number: MAX242CPN
• Description: IC 2DVR/2RCVR RS232 5V 18-DIP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX242CPN

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Through Hole
• Package / Case: 18-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

+5V-Powered, Multichannel RS-232
Drivers/Receivers
Figure 7. MAX225 Pin Configuration and Typical Operating Circuit
18
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TOP VIEW
MAX225 FUNCTIONAL DESCRIPTION
5 RECEIVERS
5 TRANSMITTERS
2 CONTROL PINS
PINS (ENR, GND, V
CONNECT EITHER OR BOTH EXTERNALLY. T5OUT IS A SINGLE DRIVER.
1 RECEIVER ENABLE (ENR)
1 TRANSMITTER ENABLE (ENT)
R1OUT
R2OUT
R3OUT
T1OUT
T2OUT
CC
R3IN
R2IN
R1IN
T1IN
T2IN
GND
GND
ENR
ENR
, T5OUT) ARE INTERNALLY CONNECTED.
10
11
12
13
14
1
2
3
4
5
6
7
9
8
+
MAX225
SO
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
V
ENT
T3IN
T4IN
T5IN
R4OUT
R5OUT
R5IN
R4IN
T3OUT
T4OUT
T5OUT
T5OUT
CC
CC
22
21
25
24
23
26
7
3
4
5
6
1
2
ENR
ENR
T1IN
T2IN
T3IN
T4IN
T5IN
ENT
R1OUT
R2OUT
R3OUT
R4OUT
R5OUT
0.1μF
+5V
+5V
+5V
+5V
+5V
400kΩ
400kΩ
400kΩ
400kΩ
400kΩ
13
V
GND
CC
28
+5V
GND
V
CC
14
27
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
T1OUT
T2OUT
T3OUT
T4OUT
T5OUT
T5OUT
R1IN
R2IN
R3IN
R4IN
R5IN
11
12
18
17
16
15
10
9
8
19
20