MAX3243EEAI-G071 Maxim Integrated, MAX3243EEAI-G071 Datasheet - Page 6
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MAX3243EEAI-G071
Manufacturer Part Number
MAX3243EEAI-G071
Description
RS-232 Interface IC
Manufacturer
Maxim Integrated
Series
MAX3221E, MAX3223E, MAX3243Er
Datasheet
1.MAX3223EETP.pdf
(19 pages)
Specifications of MAX3243EEAI-G071
Data Rate
120 Kbps
Operating Supply Voltage
3 V to 5.5 V
Supply Current
1 mA
Operating Temperature Range
0 C to + 70 C
Mounting Style
SMD/SMT
Function
Transceiver
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Drivers
3
Number Of I/os
16
Number Of Receivers
5
Propagation Delay Time Ns
0.3 us
Shutdown
Yes
±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps,
RS-232 Transceivers with AutoShutdown
MAX3221E/MAX3223E/MAX3243E
6
TQFN-
EP
14
16
15
10
11
12
13
—
—
MAX3221E
1
2
3
4
5
6
7
8
9
TSSOP
SSOP/
10
11
12
13
14
15
16
—
—
1
2
3
4
5
6
7
8
9
TQFN-
10, 11
7, 14
8, 13
6, 15
EP
19
20
12
—
16
17
18
—
MAX3223E
1
2
3
4
5
9
PIN
TSSOP
SSOP/
10, 15
12, 13
9, 16
8, 17
DIP/
11
14
—
18
19
20
—
1
2
3
4
5
6
7
TSSOP
SSOP/
12, 13,
15-19
9, 10,
SO/
4-8
28
27
24
21
14
23
11
20
25
26
22
—
—
MAX3243E
1
2
3
13, 14,
15, 17,
10, 11,
TQFN-
6, 7, 8
EP
1-5
22
28
27
23
29
30
31
18
12
19
24
26
21
—
—
—
FORCEON
R2OUTB
R_OUT
T_OUT
NAME
R_IN
T_IN
GND
C1+
C2+
V
C1-
C2-
V+
V-
CC
Receiver Enable Control. Drive low for normal
operation. Drive high to force the receiver outputs
(R_OUT) into a high-impedance state.
Positive terminal of the voltage doubler Charge-Pump
Capacitor
+5.5V generated by the charge pump
Negative terminal of the voltage doubler Charge-Pump
Capacitor
Positive terminal of inverting Charge-Pump Capacitor
Negative terminal of inverting Charge-Pump Capacitor
-5.5V generated by the charge pump
RS-232 Receiver Inputs
TTL/CMOS Receiver Outputs
Output of the Valid Signal Detector.
high if a valid RS-232 level is present on any receiver
input.
TTL/CMOS Transmitter Inputs
Drive high to override automatic circuitry keeping
transmitters and charge pump on (
high) (Table 1).
RS-232 Transmitter Outputs
TTL/CMOS Noninverting Complementary Receiver
Output. Always active.
Ground
+3.0V to +5.5V Supply Voltage
Force-Off Input, active low. Drive low to shut down
transmitters, receivers (MAX3243E, except R2OUTB),
and on-board charge pump. This overrides all
automatic circuitry and FORCEON (Table 1).
Shutdown Control, Active Low
FUNCTION
Pin Description
Maxim Integrated
is enabled
must be