MAX3232CSE View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX3232CSE
3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232 Transceivers Using Four 0.1µF External Capacitors
Maxim Integrated
MAX3232CSE Datasheet PDF : 17 Pages
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MAX3222/MAX3232/MAX3237/MAX3241
3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232
Transceivers Using Four 0.1µF External Capacitors
Interconnection with 3V and 5V Logic
The MAX3222/MAX3232/MAX3237/MAX3241 can
directly interface with various 5V logic families, includ-
ing ACT and HCT CMOS. See Table 3 for more informa-
tion on possible combinations of interconnections.
Table 3. Logic-Family Compatibility
with Various Supply Voltages
SYSTEM
POWER-
SUPPLY
VOLTAGE
(V)
3.3
MAX32_ _
VCC
SUPPLY
VOLTAGE
(V)
3.3
COMPATIBILITY
Compatible with all CMOS
families.
5
5
Compatible with all TTL
and CMOS-logic families.
Compatible with ACT and
5
3.3
HCT CMOS, and with TTL.
Incompatible with AC, HC,
and CD4000 CMOS.
__________________________________________________Typical Operating Circuits
+3.3V
0.1µF
C1
0.1µF
C2
0.1µF
2 C1+
4 C1-
5 C2+
6 C2-
12 T1IN
TTL/CMOS
INPUTS
11 T2IN
17
VCC
MAX3222
3
V+
7
V-
T1OUT 15
T2OUT 8
C3*
0.1µF
C4
0.1µF
RS-232
OUTPUTS
+3.3V
0.1µF
0.1µF
0.1µF
1 C1+
3 C1-
4 C2+
5 C2-
11 T1IN
TTL/CMOS
INPUTS
10 T2IN
16
VCC
MAX3232
2
V+
6
V-
T1OUT 14
T2OUT 7
C3*
0.1µF
C4
0.1µF
RS-232
OUTPUTS
TTL/CMOS
OUTPUTS
13 R1OUT
10 R2OUT
1 EN
GND
16
R1IN 14
5kΩ
R2IN 9
5kΩ
18
SHDN
RS-232
INPUTS
TTL/CMOS
OUTPUTS
PIN NUMBERS REFER TO DIP/SO PACKAGES.
* C3 CAN BE RETURNED TO EITHER VCC OR GROUND.
SEE TABLE 2 FOR CAPACITOR SELECTION
12 R1OUT
9 R2OUT
R1IN 13
5kΩ
R2IN 8
5kΩ
RS-232
INPUTS
GND
15
* C3 CAN BE RETURNED TO EITHER VCC OR GROUND.
12
Maxim Integrated
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