MAX3243ECAI Maxim Integrated Products, MAX3243ECAI Datasheet - Page 6

• Manufacturer Part Number: MAX3243ECAI
• Description: IC TXRX RS232 250KBPS SD 28-SSOP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX3243ECAI

• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps,
RS-232 Transceivers with AutoShutdown
6
TQFN
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
10, 11
TQFN
7, 14
8, 13
6, 15
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
—
2
4
5
6
7
1
3
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,
6, 7, 8
THIN
QFN
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
is enabled
must be