Datasheet

MAX3322E/MAX3323E
±15kV ESD-Protected, RS-232 Transceivers for
Multidrop Applications
______________________________________________________________________________________ 11
MAX3322E
R1OUT11
8
19
GND
RS-232
OUTPUTS
TTL/CMOS
INPUTS
T2IN
14
15
16
T1IN
ENABLE
CONTROL
12
C2-
5
C2+
4
C1-
3
C1+
1
R1IN
10
5kΩ
V
L
V
L
5kΩ
7
T1OUT
T2OUT
9
V-
6
V+
2
V
CC
SHDN
V
L
C4
0.1µF
C3
0.1µF
20
18
17
C1
0.1µF
C2
0.1µF
+3.3V
RS-232
INPUTS
TTL/CMOS
OUTPUTS
TXENABLE
RENABLE
R2OUT13 R2IN
Typical Operating Circuit
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
C1+
V
CC
GND
SHDN
V
L
RENABLE
TXENABLE
TIN1
ROUT1
TOP VIEW
MAX3323E
TSSOP/DIP
V+
C1-
V-
C2+
C2-
TOUT1
RIN1
Pin Configurations (continued)
Chip Information
TRANSISTOR COUNT: 1294
PROCESS: BiCMOS
MAX3322E
MAX3323E
CHARGE PUMP
HIGH
IMPEDANCE
V
L
V+
V-
C1+
V+
V
CC
V
L
ROUT
RENABLE
TIN
TXENABLE
SHDN
V-
RIN
5kΩ
TOUT
C1-
C2+
C2-
Functional Diagram