MAX3221 データシートの表示（PDF） - Maxim Integrated
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MAX3221 Datasheet PDF : 17 Pages
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MAX3221/MAX3223/MAX3243
+3V to +5.5V RS-232 Transceivers
with AutoShutdown
+3.3V
C1
0.1μF
C2
0.1μF
0.1μF
28 C1+
24 C1-
1 C2+
2
C2-
14 T1IN
LOGIC
INPUTS
13 T2IN
12 T3IN
26
VCC
MAX3243
27
V+
3
V-
T1OUT 9
T2OUT 10
T3OUT 11
C3
0.1μF
C4
0.1μF
20 R2OUTB
19 R1OUT
LOGIC
OUTPUTS
18 R2OUT
17 R3OUT
16 R4OUT
VCC
TO POWER
MANAGEMENT
UNIT
15 R5OUT
23 FORCEON
22 FORCEOFF
21 INVALID
R1IN 4
5kΩ
R2IN 5
5kΩ
R3IN 6
5kΩ
R4IN 7
5kΩ
R5IN 8
5kΩ
GND
25
Figure 7b. Mouse Driver Test Circuit
www.maximintegrated.com
RS-232
INPUTS
COMPUTER SERIAL PORT
+V
+V
-V
GND
Tx
SERIAL
MOUSE
Maxim Integrated | 10
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