MAX3243EWI+ Maxim Integrated Products, MAX3243EWI+ Datasheet - Page 12

• Manufacturer Part Number: MAX3243EWI+
• Description: IC TXRX RS-232 W/SHTDWN 28-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX3243EWI+

• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1µA Supply-Current, True +3V to +5.5V
RS-232 Transceivers with AutoShutdown
12
__________________________________________________Typical Operating Circuits
TTL/CMOS
TTL/CMOS
OUTPUTS
______________________________________________________________________________________
INPUTS
0.1µF
0.1µF
0.1µF
0.1µF
C5
C1
C2
C5
C1
C2
+3.3V
+3.3V
0.1µF
0.1µF
14
13
12
15
10
12
11
2
4
5
6
1
6
9
2
4
5
1
T1IN
C1+
C1-
C2-
T2IN
C2+
R1OUT
R2OUT
T1IN
EN
FORCEON
C1+
C1-
C2-
C2+
R1OUT
EN
FORCEON
MAX3223
MAX3221
GND
GND
V
V
CC
CC
18
19
14
15
FORCEOFF 20
FORCEOFF 16
INVALID 11
INVALID 10
T1OUT 17
T2OUT 8
T1OUT 13
5kΩ
5kΩ
5kΩ
R1IN 16
R2IN 9
R1IN 8
V+
V-
V+
V-
3
7
3
7
V
V
CC
TO POWER
MANAGEMENT
UNIT
CC
TO POWER
MANAGEMENT
UNIT
C3
0.1µF
C4
0.1µF
C3
0.1µF
C4
0.1µF
RS-232
OUTPUTS
RS-232
INPUTS
MANAGEMENT UNIT
OUTPUTS
INPUTS
TO POWER
0.1µF
0.1µF
LOGIC
LOGIC
C1
C2
V
+3.3V
CC
0.1µF
13
12
20
19
18
17
16
15
28
24
14
23
22
21
1
2
C1+
C1-
C2-
T1IN
T2IN
T3IN
R2OUTB
R1OUT
R2OUT
R3OUT
R4OUT
R5OUT
C2+
INVALID
FORCEON
FORCEOFF
MAX3243
GND
V
CC
25
26
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
T1OUT 9
T2OUT 10
T3OUT 11
R1IN 4
R2IN 5
R3IN 6
R4IN 7
R5IN 8
V+
V-
27
3
RS-232
OUTPUTS
RS-232
INPUTS
C3
0.1µF
C4
0.1µF