MAX232ACSE+ Maxim Integrated Products, MAX232ACSE+ Datasheet - Page 33

• Manufacturer Part Number: MAX232ACSE+
• Description: IC 2DVR/2RCVR RS232 5V 16-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX232ACSE+

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 24. MAX248 Pin Configuration and Typical Operating Circuit
RA1OUT
RA2OUT
RA3OUT
RA4OUT
RA2IN
RA1IN
TA1IN
TA2IN
TA3IN
TA4IN
ENRA
TOP VIEW
10
11
12
13
14
15
16
17
MAX248 FUNCTIONAL DESCRIPTION
8 RECEIVERS
8 TRANSMITTERS
4 CONTROL PINS
8
7
9
4 A-SIDE RECEIVERS
4 B-SIDE RECEIVERS
4 A-SIDE TRANSMITTERS
4 B-SIDE TRANSMITTERS
ENABLE RECEIVER A-SIDE (ENRA)
ENABLE RECEIVER B-SIDE (ENRB)
ENABLE RECEIVER A-SIDE (ENTA)
ENABLE RECEIVER B-SIDE (ENTB
18
6
19 20
______________________________________________________________________________________
5
4
21
3
22 23
MAX248
2
PLCC
+
1
+5V-Powered, Multichannel RS-232
44
24
43
25
)
42
26
41
27 28
40
39
38
37
36
35
34
33
32
31
30
29
RB3IN
RB2IN
RB1IN
ENRB
RB1OUT
RB2OUT
RB3OUT
RB4OUT
TB1IN
TB2IN
TB3IN
1μF
1μF
21
23
24
25
18
14
15
16
17
10 RA1OUT
11 RA2OUT
12 RA3OUT
13
1
2
3
4
8 RA1IN
7 RA2IN
6 RA3IN
5 RA4IN
9
C1+
C1-
C2+
C2-
ENTA
TA1OUT
TA1IN
TA2OUT
TA2IN
TA3OUT
TA3IN
TA4OUT
TA4IN
RA4OUT
ENRA
5kΩ
5kΩ
5kΩ
5kΩ
Drivers/Receivers
+10V TO -10V VOLTAGE INVERTER
1μF
+5V TO +10V VOLTAGE DOUBLER
+5V
+5V
+5V
+5V
20
400kΩ
400kΩ
400kΩ
400kΩ
GND
+5V
V
CC
19
+5V
+5V
+5V
+5V
5kΩ
5kΩ
5kΩ
5kΩ
1μF
RB1OUT
RB2OUT
RB3OUT
RB4OUT
TB1OUT
TB2OUT
TB3OUT
TB4OUT
RB1IN
RB2IN
RB3IN
RB4IN
TB1IN
TB2IN
TB3IN
TB4IN
ENRB
ENTB
V+
V-
22
26
1μF
27
44
31
43
30
42
29
41
28
37
35
38
34
39
33
40
32
36
33