MAX3222EC/D MAXIM [Maxim Integrated Products], MAX3222EC/D Datasheet - Page 7

• Manufacturer Part Number: MAX3222EC/D
• Manufacturer: MAXIM [Maxim Integrated Products]

*These pins have an active positive feedback resistor internal to the MAX3237E, allowing unused inputs to be left unconnected.
SO/DIP
10, 13
11, 12
±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V,
8, 15
9, 14
16
17
18
—
—
—
1
2
3
4
5
6
7
MAX3222E
TSSOP/
SSOP
10, 15
12, 13
11, 14
8, 17
9, 16
18
19
20
—
—
1
2
3
4
5
6
7
SO/DIP/
_______________________________________________________________________________________
SSOP
10, 11
7, 14
8, 13
9, 12
15
16
—
—
—
—
—
1
2
3
4
5
6
MAX3232E
1, 10, 11,
Up to 1Mbps, True RS-232 Transceivers
TSSOP
12, 15
13, 14
8, 17
9, 16
20
—
18
19
—
—
—
2
3
4
5
6
7
MAX3237E
PIN
17*, 19*,
22*, 23*,
8, 9, 11
5, 6, 7,
18, 20,
10, 12
13*
24*
14*
15*
28
27
25
21
26
16
—
1
3
4
2
SSOP/SO
12, 13,
15–19
20, 21
9, 10,
4–8
MAX3241E
23
28
27
24
11
14
25
26
22
—
—
1
2
3
13, 14,
15, 17,
10, 11,
19, 20
25, 32
9, 16,
QFN
6, 7,
1–5
18
22
28
27
23
29
30
31
12
24
26
21
—
8
C3, D3, B4,
B5, C5, D5,
C4, D4, E4,
MAX3246E
A6, B6, C6
F6, E6, D6
A1, A2, A3
E3, E2, D2
A4, A5,
C2, B1,
D1
C1
E5
B3
E1
B2
F3
F1
F4
F5
F2
—
—
R_OUTB
MBAUD
T_OUT
R_OUT
NAME
SHDN
R_IN
GND
T_IN
N.C.
C1+
C2+
V
C1-
C2-
EN
V+
V-
CC
Receiver Enable. Active low.
Positive Terminal of Voltage-
Doubler Charge-Pump
Capacitor
+5.5V Generated by the
Charge Pump
Negative Terminal of Voltage-
Doubler Charge-Pump
Capacitor
Positive Terminal of Inverting
Charge-Pump Capacitor
Negative Terminal of Inverting
Charge-Pump Capacitor
-5.5V Generated by the
Charge Pump
RS-232 Transmitter Outputs
RS-232 Receiver Inputs
TTL/CMOS Receiver Outputs
TTL/CMOS Transmitter Inputs
Ground
+3.0V to +5.5V Supply Voltage
Shutdown Control. Active low.
No Connection. For
MAX3246E, these locations
are not populated with solder
bumps.
MegaBaud Control Input.
Connect to GND for normal
operation; connect to V CC for
1Mbps transmission rates.
Noninverting Complementary
Receiver Outputs. Always
active.
Pin Description
FUNCTION
7