MAX3221-MAX3243 Maxim, MAX3221-MAX3243 Datasheet - Page 12

• Manufacturer Part Number: MAX3221-MAX3243
• Description: 1A Supply Current / True +3V to +5.5V RS 232 Transceiver with AutoShutdown
• Manufacturer: Maxim

1µA Supply-Current, True +3V to +5.5V
RS-232 Transceivers with AutoShutdown
12
__________________________________________________Typical Operating Circuits
TTL/CMOS
TTL/CMOS
OUTPUTS
INPUTS
0.1µF
0.1µF
0.1µF
0.1µF
______________________________________________________________________________________
C5
C5
C2
C1
C2
C1
+3.3V
+3.3V
0.1µF
0.1µF
12
15
14
11
13
12
10
2
4
5
6
9
1
2
4
5
6
1
T1IN
T1IN
C1+
C1-
C2-
C1+
C1-
C2-
T2IN
C2+
R1OUT
C2+
R1OUT
R2OUT
EN
FORCEON
EN
FORCEON
MAX3221
MAX3223
GND
GND
V
V
CC
CC
14
18
15
19
FORCEOFF 20
FORCEOFF 16
INVALID 10
INVALID 11
T1OUT 13
T1OUT 17
T2OUT 8
5k
5k
5k
R1IN 8
R1IN 16
R2IN 9
V+
V+
V-
V-
3
7
3
7
V
V
CC
CC
TO POWER
MANAGEMENT
UNIT
TO POWER
MANAGEMENT
UNIT
C3
0.1µF
C4
0.1µF
C3
0.1µF
C4
0.1µF
RS-232
OUTPUTS
RS-232
INPUTS
MANAGEMENT UNIT
OUTPUTS
TO POWER
INPUTS
0.1µF
0.1µF
LOGIC
LOGIC
C2
C1
V
+3.3V
CC
0.1µF
13
12
20
19
18
17
16
15
23
22
28
24
14
21
1
2
C1+
C1-
C2-
T1IN
T2IN
T3IN
R2OUTB
R1OUT
R2OUT
R3OUT
R4OUT
R5OUT
C2+
INVALID
FORCEON
FORCEOFF
MAX3243
GND
V
CC
25
26
5k
5k
5k
5k
5k
T1OUT 9
T2OUT 10
T3OUT 11
R1IN 4
R2IN 5
R3IN 6
R4IN 7
R5IN 8
V+
V-
27
3
RS-232
OUTPUTS
RS-232
INPUTS
C3
0.1µF
C4
0.1µF