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SP3243E 数据表(PDF) 7 Page - Exar Corporation

部件名 SP3243E
功能描述  3 Driver/5 Receiver Intelligent 3.0V to 5.5V RS-232 Transceivers
PDF  24 Pages
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制造商  EXAR [Exar Corporation]
网页  http://www.exar.com
标志 EXAR - Exar Corporation

SP3243E 数据表(HTML) 7 Page - Exar Corporation

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Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com
SP3243E_100_072309
7
Figure 9. SP3243E QFN Pinout Configuration
SP3243E
NC
R1IN
R2IN
R3IN
R4 IN
R5 IN
T1OUT
T2OUT
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
NC
GND
C1-
ONLINE
SHUTDOWN
STATUS
R2OUT
R1OUT
Figure 8. SP3243E Typical Operating Circuit
SP3243E
28
24
2
1
27
3
26
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
GND
C1+
C1-
C2+
C2-
V+
V-
VCC
14
13
12
20
19
18
17
16
15
0.1µ F
0.1µ F
0.1µ F
+
C2
C5
C1
+
+
C3
C4
+
+
0.1µ F
0.1µ F
9
10
11
4
5
6
7
8
RS-232
OUTPUTS
RS-232
INPUTS
TTL/CMOS
INPUTS
TTL/CMOS
OUTPUTS
To µ P Supervisor
Circuit
23
22
21
VCC
VCC
25
T1IN
R1OUT
R1IN
T2OUT
R2OUT
T2IN
T3IN
T3OUT
T1OUT
R2IN
R3IN
R4IN
R5IN
R2OUT
R3OUT
R4OUT
R5OUT
ONLINE
SHUTDOWN
STATUS



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