MAX3221ECTE Maxim Integrated, MAX3221ECTE Datasheet - Page 14
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MAX3221ECTE
Manufacturer Part Number
MAX3221ECTE
Description
RS-232 Interface IC
Manufacturer
Maxim Integrated
Series
MAX3221E, MAX3223E, MAX3243Er
Datasheet
1.MAX3223EETP.pdf
(19 pages)
Specifications of MAX3221ECTE
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
1
Number Of I/os
4
Number Of Receivers
1
Propagation Delay Time Ns
0.3 us
Shutdown
Yes
±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps,
RS-232 Transceivers with AutoShutdown
Figure 11. Loopback Test Result at 250kbps
Table 5. Logic Family Compatibility with
Various Supply Voltages
The MAX3221E/MAX3223E/MAX3243E can directly
interface with various 5V logic families, including ACT
and xHCT CMOS. See Table 5 for more information on
possible combinations of interconnections.
MAX3221E/MAX3223E/MAX3243E
14
VOLTAGE
SYSTEM
POWER-
SUPPLY
R1OUT
T1OUT
3.3
(V)
T1IN
Interconnection with 3V and 5V Logic
5
5
V
CC
= 3.3V
V
CC
VOLTAGE
SUPPLY
(V)
3.3
3.3
5
2µs/div
Compatible with all CMOS
families.
Compatible with all TTL and
CMOS-logic families.
Compatible with ACT and
HCT CMOS, and with TTL.
Incompatible with AC, HC,
or CD4000 CMOS.
COMPATIBILITY
5V/div
5V/div
5V/div
*Exposed pad.
+ Denotes a lead(Pb)-free/RoHS-compliant package.
Figure 12a. Transmitter Output Voltage vs. Load Current per
Transmitter
PROCESS: BiCMOS
___________________Chip Information
MAX3243ECWI+
MAX3243ECAI+
MAX3243ECUI+
MAX3243EEWI+
MAX3243EEAI+
MAX3243EEUI+
MAX3243ECTJ+
MAX3243EETJ+
Ordering Information (continued)
PART
-1
-2
-3
-4
-5
-6
6
5
4
3
2
1
0
0
V
V
CC
CC
1
LOAD CURRENT PER TRANSMITTER (mA)
= 3.0V
2
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
3
4
5
6
V
V
OUT+
OUT-
7
8
V
PIN-PACKAGE
28 Wide SO
28 SSOP
28 TSSOP
28 Wide SO
28 SSOP
28 TSSOP
32 TQFN-EP*
32 TQFN-EP*
V
OUT+
OUT-
9
Maxim Integrated
10