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SP331CT データシートの表示(PDF) - Signal Processing Technologies
部品番号
コンポーネント説明
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SP331CT
Programmable Dual RS-232/RS-485Transceiver
Signal Processing Technologies
SP331CT Datasheet PDF : 13 Pages
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TI4
1
SEL_B
2
TX4
3
TX3
4
VCC
5
TX1
6
TX2
7
GND
8
C1+
9
V+ (VDD)
10
C2+
11
C1–
12
C2–
13
V– (VSS)
14
Figure 9. SP331 Pinout
0.1
µ
F
0.1
µ
F
0V
0V
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
+5V
5
9
C1+
VCC
SP331
12 C1-
11
C2+
10
V+
V-
14
13
C2-
24
SEL A
0.1
µ
F
23
2
SEL B
SEL D
Vcc
400K
Ω
26 TI1
T1
Vcc
TX1 6
400K
Ω
27 TI2
T2
Vcc
TX2 7
400K
Ω
28 TI3
T3
Vcc
TX3 4
400K
Ω
1 TI4
T4
TX4 3
0.1
µ
F
0V
RS-232
RS-232
RS-232
RS-232
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
19
RX1
20 RX2
21 RX3
22 RX4
8
GND
RI1 15
R1
5K
Ω
RI2
16
R2
5K
Ω
RI3 17
R3
5K
Ω
RI4 18
R4
5K
Ω
25
SEL C
RS-232
RS-232
RS-232
RS-232
0V
28
TI3
27
TI2
26
TI1
25
SEL_C
24
SEL_A
23
SEL_D
22
RX4
21
RX3
20
RX2
19
RX1
18
RI4
17
RI3
16
RI2
15
RI1
0.1
µ
F
0.1
µ
F
+5V
+5V
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
+5V
5
9
C1+
12
C1-
11
C2+
VCC
10
V+
SP331
14
V-
13
C2-
24
2
SEL A
SEL B
Vcc
400K
Ω
26
TI1
T1
27
TI2
Vcc
400K
Ω
28 TI3
T3
1
TI4
0.1
µ
F
23
SEL D
TX2 7
TX1
6
TX4
3
TX3
4
RI2 16
19 RX1
R1
15K
Ω
RI1 15
20
RX2
15K
Ω
RI4 18
21 RX3
R3
15K
Ω
RI3 17
22
RX4
8
GND
15K
Ω
25
SEL C
0.1
µ
F
0V
RS-485
RS-485
RS-485
RS-485
RS-485
RS-485
RS-485
RS-485
0V
Figure 10. Typical Operating Circuit
Date: 03-04-05
Programmable Dual RS-232/RS-485 Transceiver
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© Copyright 2005 Sipex Corporation
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