Datasheet

±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps,
RS-232 Transceivers with AutoShutdown
Pin Configurations
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
FORCEOFF
V
CC
GND
T1OUT
C1-
V+
C1+
EN
R1IN
R1OUT
FORCEON
T1IN
T2OUT
V-
C2-
C2+
12
11
9
10
T2IN
INVALID
R2OUT
R2IN
DIP/SSOP/TSSOP
MAX3223E
+
28
27
26
25
24
*CONNECT EP TO GND OR LEAVE UNCONNECTED
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C1+
V+
V
CC
GND
C1-
FORCEON
FORCEOFF
INVALID
R2OUTB
R1OUT
R2OUT
R3OUT
R4OUT
R5OUT
C2+
C2-
V-
R1IN
R2IN
R3IN
R4IN
R5IN
T1OUT
T2OUT
T3OUT
T3IN
T2IN
T1IN
SO/SSOP/TSSOP
MAX3243E
+
TOP VIEW
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
EN
C1+
V+
C1-
C2+
C2-
V-
R1IN
FORCEOFF
V
CC
GND
T1OUT
FORCEON
T1IN
INVALID
R1OUT
MAX3221E
SSOP/TSSOP
+
TQFN-EP
32
31
30
29
28
27
26
N.C.
V-
C2-
C2+
C1+
V+
V
CC
25
N.C.
9
10
11
12
13
14
15
N.C.
T3IN
T2IN
T1IN
R5OUT
R4OUT
R3OUT
16
N.C.
17181920212223
R2OUT R1OUT R2OUTB R1OUTB SHDN EN C1-
8765432
T3OUT T2OUT T1OUT
R5IN R4IN R3IN R2IN
MAX3243E
1
R1IN
24
GND
TOP VIEW
+
Maxim Integrated
17
MAX3221E/MAX3223E/MAX3243E