MAX3243EETJ-T Maxim Integrated, MAX3243EETJ-T Datasheet - Page 16
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MAX3243EETJ-T
Manufacturer Part Number
MAX3243EETJ-T
Description
RS-232 Interface IC
Manufacturer
Maxim Integrated
Series
MAX3221E, MAX3223E, MAX3243Er
Datasheet
1.MAX3223EETP.pdf
(19 pages)
Specifications of MAX3243EETJ-T
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
Function
Transceiver
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
16
TTL/CMOS
TTL/CMOS
C
C
OUTPUTS
BYPASS
BYPASS
0.1µF
INPUTS
0.1µF
0.1µF
0.1µF
C1
C2
C2
C1
+3.3V
+3.3V
0.1µF
0.1µF
12
11
14
13
12
15
10
2
4
5
6
9
1
6
2
4
5
1
T1IN
C1+
C1-
C2-
C2+
R1OUT
T1IN
EN
FORCEON
C1+
C1-
C2-
T2IN
C2+
R1OUT
R2OUT
EN
FORCEON
MAX3221E*
MAX3223E**
GND
GND
V
V
CC
CC
14
15
18
19
FORCEOFF 16
FORCEOFF 20
INVALID 10
INVALID 11
T1OUT 13
T1OUT 17
T2OUT 8
5kΩ
5kΩ
5kΩ
R1IN 8
R1IN 16
R2IN 9
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
C
OUTPUTS
TO POWER-
BYPASS
INPUTS
0.1µF
0.1µF
LOGIC
LOGIC
C1
C2
*MAX3221E PIN OUT REFERS TO SSOP/TSSOP PACKAGES.
**MAX3223E PIN OUT REFERS TO DIP/SSOP/TSSOP PACKAGES.
V
+3.3V
CC
0.1µF
Typical Operating Circuits
13
12
20
19
18
17
16
15
23
22
28
24
14
21
1
2
C1+
C1-
C2-
T1IN
T2IN
T3IN
R2OUTB
R1OUT
R2OUT
R3OUT
R4OUT
R5OUT
C2+
INVALID
FORCEOFF
FORCEON
MAX3243E
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
Maxim Integrated
RS-232
OUTPUTS
RS-232
INPUTS
C3
0.1µF
C4
0.1µF