Datasheet
01,03,05 01,03,05 02 02 04 04
J16 L20 J18 L20 J18 L20
1 C1+ NC NC NC EN EN
2 V+ C1+ C1+ C1+ C1+ C1+
3 C1- V+ V+ V+ V+ V+
4 C2+ C1- C1- C1- C1- C1-
5 C2- C2+ C2+ C2+ C2+ C2+
6 V- NC C2- NC C2- NC
7 T2
OUT
C2- V- C2- V- C2-
8 R2
IN
V- T2
OUT
V- T2
OUT
V-
9 R2
OUT
T2
OUT
R2
IN
T2
OUT
R2
IN
T2
OUT
10 T2
IN
R2
IN
R2
OUT
R2
IN
R2
OUT
R2
IN
01,03,05 01,03,05 02 02 04 04
J16 L20 J18 L20 J18 L20
11 T1
IN
NC T2
IN
NC T2
IN
NC
12 R1
OUT
R2
OUT
T1
IN
R2
OUT
T1
IN
R2
OUT
13 R1
IN
T2
IN
R1
OUT
T2
IN
R1
OUT
T2
IN
14 T1
OUT
T1
IN
R1
IN
T1
IN
R1
IN
T1
IN
15 GND R1
OUT
T1
OUT
R1
OUT
T1
OUT
R1
OUT
16 V
CC
NC GND R1
IN
GND R1
IN
17 R1
IN
V
CC
T1
OUT
V
CC
T1
OUT
18 T1
OUT
SHND GND SHND GND
19 GND V
CC
V
CC
20 V
CC
SHND SHND
PACKAGE
TYPE
PACKAGE
CODE
OUTLINE
NO.
LAND
PATTERN NO.
14 PDIP P14+3
21-0043
—
16 PDIP P16+1
16 PDIP P16+2
16 PDIP P16+3
18 PDIP P18+5
20 PDIP P20+3
20 PDIP P20M+1
24 PDIP N24+3
24 PDIP P24M+1
21-0044
28 PDIP P28+2
40 PDIP P40+1
40 PDIP P40M+2
14 CERDIP J14-3
21-0045
16 CERDIP J16-3
18 CERDIP J18-2
20 CERDIP J20-2
24 CERDIP R24-4
16 SO(N) S16+3
21-0041 90-0097
16 SO(N) S16+5
PACKAGE
TYPE
PACKAGE
CODE
OUTLINE
NO.
LAND
PATTERN NO.
16 SO(W) W16+1
21-0042
90-010716 SO(W) W16+2
16 SO(W) W16+3
18 SO(W) W18+1
90-0181
20 SO(W) W20+3
90-0108
20 SO(W) W20M+1
24 SO(W) W24+2
90-0182
28 SO(W) W28+1
90-010928 SO(W) W28+2
28 SO(W) W28M+1
20 LCC L20+3
21-0658 90-0177
20 SSOP A20+1
21-0658
90-0094
24 SSOP A24+2
90-0110
28 SSOP A28+1
90-0095
16 TSSOP U16+1
90-0117
16 FPCK F16-3
21-0013 —
44 MQFP M44+5
21-0826 90-0169
44 PLCC Q44+1
21-0049 90-0236
44 PLCC Q44+2
MAX220–MAX249 +5V-Powered, Multichannel
RS-232 Drivers/Receivers
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38
Terminal Connections
Package Information
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”,
“#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.