+3V to +5.5V RS-232 Transceivers
with AutoShutdown
MAX3221/MAX3223/MAX3243
3V-Powered EIA/TIA-232 and EIA/TIA-562 Transceivers from Maxim
GUAR-
ANTEED
DATA
RATE
(kbps)
POWER-
SUPPLY
VOLTAGE
(V)
No. OF
No. OF
TRANSMITTERS/
RECEIVERS
EIA/TIA-
232
RECEIVERS
ACTIVE IN
SHUTDOWN
PART
FEATURES
OR 562
MAX212
MAX218
3.0 to 3.6
3/5
2/2
5
2
120
120
232
232
Drives mice
Operates directly from batteries
without a voltage regulator
1.8 to 4.25
MAX562
MAX563
2.7 to 5.25
3.0 to 3.6
3/5
2/2
5
2
230
120
562
562
230kbps guaranteed data rate
0.1µF capacitors
AutoShutdown, complementary
receiver, drives mice, transient
detection
MAX3212
2.7 to 3.6
3/5
5
235
232
MAX3221
MAX3222
MAX3223
MAX3232
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
1/1
2/2
2/2
2/2
1
2
120
120
120
120
232
232
232
232
0.1µF capacitors, 16-pin SSOP
0.1µF capacitors, MAX242 pinout
0.1µF capacitors, AutoShutdown
0.1µF capacitors, MAX232 pinout
2
N/A
0.1µF capacitors, 2 complemen-
tary receivers, drives mice
MAX3241
3.0 to 5.5
3/5
5
1
120
232
0.1µF capacitors, AutoShutdown
complementary receiver,
drives mice
MAX3243
3.0 to 5.5
3/5
120
232
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