MAX220–MAX249
+5V-Powered, Multichannel
RS-232 Drivers/Receivers
Maxim Integrated | 37www.maximintegrated.com
Selection Table
Ordering Information (continued)
PART TEMP RANGE PIN-PACKAGE
MAX247
CPL+ 0°C to +70°C 40 Plastic DIP
MAX247C/D 0°C to +70°C Dice*
MAX247EPL+ -40°C to +85°C 40 Plastic DIP
MAX248
CQH+ 0°C to +70°C 44 PLCC
MAX248C/D 0°C to +70°C Dice*
MAX248EQH+ -40°C to +85°C 44 PLCC
MAX249
CQH+ 0°C to +70°C 44 PLCC
MAX249EQH+ -40°C to +85°C 44 PLCC
+
Denotes a lead(Pb)-free/RoHS-compliant package.
*
Contact factory for dice specifications.
Part
Number
Power
Supply
(V)
No. of
RS-232
Drivers
/Rx
No. of
Ext.
Caps
Nominal
Cap. Value
(+F)
SHDN
&
Three-
State
Rx
Active
in
SHDN
Data
Rate
(kbps)
Features
MAX220 +5 2/2 4 0.047, 0.33 No No 120 Ultra-low-power, industry-standard pinout
MAX222 +5 2/2 4 0.1 Yes No 200 Low-power shutdown
MAX223 +5 4/5 4 1.0, 0.1 Yes Yes 120 MAX241 and receivers active in shutdown
MAX225 +5 5/5 0 — Yes Yes 120 Available in SO
MAX230 +5 5/0 4 1.0, 0.1 Yes No 120 5 drivers with shutdown
MAX231 +5 and
+7.5 to
2/2 2 1.0, 0.1 No No 120 Standard +5/+12V or battery supplies;
same functions as MAX232
MAX232 +5 2/2 4 1.0, 0.1 No No 120 (64) Industry standard
MAX232A +5 2/2 4 0.1 No No 200 Higher slew rate, small caps
MAX233 +5 2/2 0 — No No 120 No external caps
MAX233A +5 2/2 0 — No No 200 No external caps, high slew rate
MAX234 +5 4/0 4 1.0, 0.1 No No 120 Replaces 1488
MAX235 +5 5/5 0 — Yes No 120 No external caps
MAX236 +5 4/3 4 1.0, 0.1 Yes No 120 Shutdown, three state
MAX237 +5 5/3 4 1.0, 0.1 No No 120 Complements IBM PC serial port
MAX238 +5 4/4 4 1.0, 0.1 No No 120 Replaces 1488 and 1489
MAX239 +5 and
+7.5 to
3/5 2 1.0, 0.1 No No 120 Standard +5/+12V or battery supplies;
sin
le-packa
esolutionforIBMPCserial
MAX240 +5 5/5 4 1.0 Yes No 120 DIP or flatpack package
MAX241 +5 4/5 4 1.0, 0.1 Yes No 120 Complete IBM PC serial port
MAX242 +5 2/2 4 0.1 Yes Yes 200 Separate shutdown and enable
MAX243 +5 2/2 4 0.1 No No 200 Open-line detection simplifies cabling
MAX244 +5 8/10 4 1.0 No No 120 High slew rate
MAX245 +5 8/10 0 — Yes Yes 120
High slew rate, int. caps, two shutdown
MAX246 +5 8/10 0 — Yes Yes 120
High slew rate, int. caps, three shutdown
MAX247 +5 8/9 0 — Yes Yes 120
High slew rate, int. caps, nine operating
MAX248 +5 8/8 4 1.0 Yes Yes 120 High slew rate, selective half-chip enables
MAX249 +5 6/10 4 1.0 Yes Yes 120 Available in quad flatpack package