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SP3249E 데이터 시트보기 (PDF) - Exar Corporation
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SP3249E
Intelligent +3.0V to +5.5V RS-232 Transceiver
Exar Corporation
SP3249E Datasheet PDF : 16 Pages
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C2+
1
GND
2
C2-
3
V-
4
T
1
OUT
5
T2OUT
6
T3OUT
7
R1IN 8
R2IN 9
T4OUT 10
R3
IN 11
T5OUT 12
SP3249E
24
C1+
23
V+
22
V
CC
21
C1-
20
T1IN
19
T2IN
18 T3 IN
17 R1OUT
16 R2OUT
15
T4IN
14 R3OUT
13 T5IN
Figure 4. SP3249E Pinout Configuration
+
C5 0.1µF
24
C1+
+
C1 0.1µF
21 C1-
1 C2+
+
C2 0.1µF
3 C2-
TTL/CMOS
INPUTS
20
T
1
IN
19
T
2
IN
18
T
3
IN
15
T
4
IN
13
T
5
IN
22
V
CC
V
CC
V+
23
+
C3 0.1µF
SP3249E
V-
4
T
1
OUT
5
T
2
OUT
6
T
3
OUT
7
T
4
OUT
10
T
5
OUT
12
C4 0.1µF
+
RS-232
OUTPUTS
TTL/CMOS
OUTPUTS
17
R
1
OUT
16
R
2
OUT
14
R
3
OUT
R
1
IN
8
5kΩ
R
2
IN
9
5kΩ
R
3
IN
11
5kΩ
RS-232
INPUTS
GND
2
Figure 5. SP3249E Typical Operating Circuit
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com
SP3249E_100_013111
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