Datasheet

PIN
NAME FUNCTION
MAX3222E MAX3232E
MAX3237E
MAX3241E
MAX3246E
TQFN
SO/
DIP
TSSOP/
SSOP
TQFN
SO/DIP/
SSOP/
16-PIN
TSSOP
20-PIN
TSSOP
SSOP/
SO/
TSSOP
TQFN
16 16 18 13 15 18 2 25 24 F5 GND Ground
17 17 19 14 16 19 26 26 26 F2 V
CC
+3.0V to +5.5V Supply
Voltage
18 18 20 — — — 14* 22 21 B2 SHDN
Shutdown Control.
Active low.
9, 12 — 11, 14 — —
1, 10,
11, 20
— —
9, 16,
25,
32
C3, D3, B4,
C4, D4, E4,
B5, C5, D5,
E5
N.C.
No Connection. For
MAX3246E, these
locations are not
populated with solder
bumps.
— — — — — — 15* — — — MBAUD
MegaBaud Control
Input. Connect to GND
for normal operation;
connect to V
CC
for
1Mbps transmission
rates.
— — — — — — 16
20,
21
19,
20
—
R_
OUTB
Noninverting
Complementary
Receiver Outputs.
Always active.
— — — — — — — — — — EP
Exposed Pad. Solder
the exposed pad to the
ground plane or leave
unconnected (for TQFN
only).
www.maximintegrated.com
Maxim Integrated │ 8
MAX3222E/MAX3232E/
MAX3237E/MAX3241E/
MAX3246E
±15kV ESD-Protected, Down to 10nA,
3.0V to 5.5V, Up to 1Mbps,
True RS-232 Transceivers
Pin Description (continued)