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MAX3232CPE Datasheet(PDF) 12 Page - Maxim Integrated Products

Part No. MAX3232CPE
Description  3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232 Transceivers Using Four 0.1uF External Capacitors
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232
Transceivers Using Four 0.1µF External Capacitors
12
______________________________________________________________________________________
__________________________________________________Typical Operating Circuits
MAX3222
R2OUT
10
1
R1OUT
13
R2IN
9
18
GND
16
RS-232
OUTPUTS
TTL/CMOS
INPUTS
T2IN
11
T1IN
12
C2-
6
C2+
5
C1-
4
C1+
2
R1IN 14
T2OUT 8
T1OUT 15
V-
7
V+
3
VCC
17
C1
0.1
µF
C2
0.1
µF
0.1
µF
+3.3V
RS-232
INPUTS
TTL/CMOS
OUTPUTS
5k
5k
EN
SHDN
C3
*
0.1
µF
C4
0.1
µF
PIN NUMBERS REFER TO DIP/SO PACKAGES.
* C3 CAN BE RETURNED TO EITHER VCC OR GROUND.
MAX3232
R2OUT
9
R1OUT
12
R2IN
8
GND
15
RS-232
OUTPUTS
TTL/CMOS
INPUTS
T2IN
10
T1IN
11
C2-
5
C2+
4
C1-
3
C1+
1
R1IN 13
T2OUT 7
T1OUT 14
V-
6
V+
2
VCC
C4
0.1
µF
16
0.1
µF
0.1
µF
0.1
µF
+3.3V
RS-232
INPUTS
TTL/CMOS
OUTPUTS
C3
*
0.1
µF
5k
5k
* C3 CAN BE RETURNED TO EITHER VCC OR GROUND.
SEE TABLE 2 FOR CAPACITOR SELECTION
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
Compatible with ACT and
HCT CMOS, and with TTL.
Incompatible with AC, HC,
and CD4000 CMOS.
3.3
5
SYSTEM
POWER-
SUPPLY
VOLTAGE
(V)
Compatible with all TTL
and CMOS-logic families.
5
5
Compatible with all CMOS
families.
3.3
3.3
COMPATIBILITY
MAX32_ _
VCC
SUPPLY
VOLTAGE
(V)




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