Datasheet

MAX3238
+3.0V to +5.5V, 1µA, up to 250kbps, True
RS-232 Transceiver with AutoShutdown Plus
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MAX3238
RS-232
OUTPUTS
LOGIC
INPUTS
RS-232
INPUTS
LOGIC
OUTPUTS
*C3 MAY BE RETURNED TO EITHER V
CC
OR GND.
FORCEOFF
INVALID
AUTOSHUTDOWN PLUS
FORCEON
T1IN T1OUT
T2IN T2OUT
T3IN T3OUT
T4IN T4OUT
T5IN
5
6
7
10
12T5OUT
15
24
23
22
19
C1+
V
CC
V+
C1-
C2+ V-
C2-
27
*
26
4
28
0.1µF
0.1µF
0.1µF
0.1µF
25
1
3
17
R1OUTB16
R1OUT 8R1IN21
R2OUT 9R2IN20
R3OUT 11
5kΩ
5kΩ
5kΩ
GND
2
R3IN18
14
13
T1
T2
T3
T4
T5
R1
R2
R3
0.1µF
__________Typical Operating Circuit