3.0V to 5.5V, Low -Pow e r, up to 1Mbps , True RS-232
Tra ns c e ive rs Us ing Four 0.1µF Exte rna l Ca pa c itors
7/MAX3241
_____________________________________Typ ic a l Op e ra t in g Circ u it s (c o n t in u e d )
0.1µF
+3.3V
26
26
0.1µF
0.1µF
0.1µF
V
V
CC
CC
27
4
28
27
3
28
C1+
C1+
V+
V-
V+
0.1µF
0.1µF
0.1µF
0.1µF
C3*
25
1
24
1
C1-
C1-
0.1µF
MAX3237
C2+
MAX3241
C2+
V-
C4
0.1µF
3
2
C2-
C2-
T1IN
T1IN
T1OUT
T2OUT
T3OUT
5
6
7
24
T1OUT
9
14
13
T1
T2
T2IN
T3IN
T2IN
23
22
T2OUT 10
TTL/CMOS
INPUTS
RS-232
OUTPUTS
T3IN
RS-232
OUTPUTS
11
12
21
LOGIC
INPUTS
T3OUT
R1IN
T3
T4
T5
R1OUTB
T4IN
T5IN
T4OUT 10
19
17
R2OUTB
R1OUT
20
19
12
T5OUT
R1IN
4
5
R1OUTB
R1OUT
16
21
5k
R2OUT
R3OUT
R4OUT
R2IN
R3IN
R4IN
R5IN
18
17
16
8
9
R1
R2
R3
5k
5k
TTL/CMOS
OUTPUTS
5k
6
7
8
RS-232
INPUTS
RS-232
INPUTS
R2OUT
R3OUT
R2IN
R3IN
20
18
LOGIC
OUTPUTS
5k
5k
11
5k
5k
R5OUT
EN
15
23
15
14
MBAUD
SHDN
EN
13
22
SHDN
GND
2
GND
25
* C3 CAN BE RETURNED TO EITHER V OR GROUND.
* C3 CAN BE RETURNED TO EITHER V OR GROUND.
CC
CC
______________________________________________________________________________________ 13
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
