Datasheet
+Denotes a lead(Pb)-free/RoHS-compliant package.
*Contact factory for dice specifications.
PART TEMP RANGE PIN-PACKAGE
MAX247CPL+ 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
MAX248CQH+ 0°C to +70°C 44 PLCC
MAX248C/D 0°C to +70°C Dice*
MAX248EQH+ -40°C to +85°C 44 PLCC
MAX249CQH+ 0°C to +70°C 44 PLCC
MAX249EQH+ -40°C to +85°C 44 PLCC
PART
NUMBER
POWER
SUPPLY
(V)
NO. OF
RS-232
Drivers/
Rx
NO. OF
EXT CAP
NOMINAL
CAPACITOR
VALUE (µF)
SHDN
AND
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
MAX223
MAX225
MAX230
MAX231
MAX232
MAX232A
MAX233
MAX233A
+5
+5
+5
+5
+5 and
+7.5 to
+5
+5
+5
+5
2/2
4/5
5/5
5/0
2/2
2/2
2/2
2/2
2/2
4
4
0
4
2
4
4
0
0
0.1
1.0, 0.1
—
1.0, 0.1
1.0, 0.1
1.0, 0.1
0.1
—
—
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Yes
Yes
No
No
No
No
No
No
200
120
120
120
120
120 (64)
200
120
200
Low-power shutdown
MAX241 and receivers active in shutdown
Available in SO
5 drivers with shutdown
Standard +5/+12V or battery supplies;
same functions as MAX232
Industry standard
Higher slew rate, small caps
No external caps
No external caps, high slew rate
MAX234
MAX235
MAX236
MAX237
MAX238
MAX239
MAX240
MAX241
+5
+5
+5
+5
+5
+5 and
+7.5 to
+5
+5
4/0
5/5
4/3
5/3
4/4
3/5
5/5
4/5
4
0
4
4
4
2
4
4
1.0, 0.1
—
1.0, 0.1
1.0, 0.1
1.0, 0.1
1.0, 0.1
1.0
1.0, 0.1
No
Yes
Yes
No
No
No
Yes
Yes
No
No
No
No
No
No
No
No
120
120
120
120
120
120
120
120
Replaces 1488
No external caps
Shutdown, three state
Complements IBM PC serial port
Replaces 1488 and 1489
Standard +5/+12V or battery supplies;
single-package solution for IBM PC serial
DIP or atpack package
Complete IBM PC serial port
MAX242
MAX243
MAX244
MAX245
MAX246
MAX247
MAX248
MAX249
+5
+5
+5
+5
+5
+5
+5
+5
2/2
2/2
8/10
8/10
8/10
8/9
8/8
6/10
4
4
4
0
0
0
4
4
0.1
0.1
1.0
—
—
—
1.0
1.0
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
200
200
120
120
120
120
120
120
Separate shutdown and enable
Open-line detection simplies cabling
High slew rate
High slew rate, int. caps, two shutdown
High slew rate, int. caps, three shutdown
High slew rate, int. caps, nine operating
High slew rate, selective half-chip enables
Available in quad atpack package
MAX220–MAX249 +5V-Powered, Multichannel
RS-232 Drivers/Receivers
www.maximintegrated.com
Maxim Integrated
│
37
Ordering Information (continued)
Selection Table