Datasheet

±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps,
RS-232 Transceivers with AutoShutdown
Pin Configurations (continued)
15
16
14
13
6
5
7
C2+
V-
8
C1-
GND FORCEON VCC
12
EN
4
12 11 9
V+
C1+
T1IN
INVALID
R1OUT
R1IN
MAX3221E*
C2- T1OUT
3
10
FORCEOFF
TQFN
+
*CONNECT EP TO GND OR LEAVE UNCONNECTED
TOP VIEW
MAX3223E*
TQFN
19
20
18
17
7
6
8
C1- C2-
V-
9
C1+
R1IN FORCEON T1IN T1OUT
1
+
2
FORCEOFF
45
15 14 12 11
EN
V+
*CONNECT EP TO GND OR LEAVE UNCONNECTED
INVALID
R2OUT
R2IN
T2OUT
C2+
R1OUT
3
13
VCC
16
10
T2IN
GND
Package Information
For the latest package outline information and land patterns (footprints), go to www.maxim-ic.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 per-
tains to the package regardless of RoHS status.
PACKAGE TYPE PACKAGE CODE OUTLINE NO.
LAND
PATTERN NO.
16 TQFN-EP T1655+2 21-0140 90-0072
16 SSOP A16+2 21-0056 90-0106
16 TSSOP U16+1 21-0066 90-0117
20 TQFN-EP T2055+5 21-0140 90-0010
20 SSOP A20+2 21-0056 90-0094
20 TSSOP U20+2 21-0066 90-0116
20 PDIP P20+3 21-0043 —
28 Wide SO W28+6 21-0042 90-0109
28 SSOP A28+1 21-0056 90-0095
28 TSSOP U28+2 21-0066 90-0171
32 TQFN-EP T3277+2 21-0144 90-0125
18
Maxim Integrated
MAX3221E/MAX3223E/MAX3243E