Datasheet

MAX3380E/MAX3381E
+2.35V to +5.5V, 1µA, 2Tx/2Rx RS-232 Transceivers
with ±15kV ESD-Protected I/O and Logic Pins
______________________________________________________________________________________ 13
MAX3380E/
MAX3381E
CELL PHONE
LOGIC LEVELS
R2OUT
R1OUT
T2IN
T1IN
C1+
C1-
R2IN
R1IN
T2OUT
T1OUT
V+
V
L
V
CC
V-
CTS
Rx
RTS
Tx
V
BATT
0.1μF
0.1μF
PERIPHERALS
RS-232 LEVELS
RTS
I/O
Rx
CTS
Tx
INVALID
FORCEON
FORCEOFF
C2+
C2-
0.1μF
0.1μF
0.1μF47μF
Figure 11. Typical Application Circuit
Chip Information
TRANSISTOR COUNT: 1467
PROCESS: BiCMOS
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
V
CC
FORCEOFF
GND
T1OUTC2+
C1-
V+
C1+
TOP VIEW
T2OUT
R1IN
R2IN
V
L
T1IN
INVALID
V-
C2-
12
11
9
10
FORCEON
R1OUTR2OUT
T2IN
MAX3380E/
MAX3381E
TSSOP
Pin Configuration