1ꢀ5k EꢁDꢂ-rotected, Down to 10nA, 3.0k to ꢀ.ꢀk,
Up to 1Mbps, True Rꢁꢂ232 Transceivers
__________________________________________________Typical Operating Circuits
+3.3V
+3.3V
17
16
C
C
BYPASS
BYPASS
V
V
CC
CC
3
7
2
4
5
6
2
6
1
3
4
5
C1+
C1+
V+
V+
C1
0.1 F
C1
0.1 F
C3*
C3*
0.1 F
0.1 F
C1-
C2+
C1-
C2+
MAX3222E
MAX3232E
V-
V-
C2
0.1 F
C2
0.1 F
C4
0.1 F
C4
0.1 F
C2-
C2-
12
T1OUT
T1IN
15
8
11
T1OUT
T1IN
14
7
TTL/CMOS
INPUTS
RS-232
TTL/CMOS
INPUTS
RS-232
OUTPUTS
OUTPUTS
T2IN
T2OUT
R1IN
11
T2IN
T2OUT
R1IN
10
14
9
13 R1OUT
10 R2OUT
13
8
12 R1OUT
TTL/CMOS
OUTPUTS
TTL/CMOS
OUTPUTS
RS-232
INPUTS
5k
RS-232
INPUTS
5k
R2IN
9
R2OUT
R2IN
5k
5k
EN
1
18
SHDN
GND
16
GND
15
*C3 CAN BE RETURNED TO EITHER V OR GROUND.
CC
NOTE: PIN NUMBERS REFER TO SO/DIP PACKAGES.
SEE TABLE 2 FOR CAPACITOR SELECTION.
______________________________________________________________________________________ 15
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
