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SP331 数据表(PDF) 6 Page - Exar Corporation

部件名 SP331
功能描述  Programmable Dual RS-232/RS-485 Transceiver
PDF  13 Pages
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制造商  EXAR [Exar Corporation]
网页  http://www.exar.com
标志 EXAR - Exar Corporation

SP331 数据表(HTML) 6 Page - Exar Corporation

Back Button SP331 Datasheet HTML 2Page - Exar Corporation SP331 Datasheet HTML 3Page - Exar Corporation SP331 Datasheet HTML 4Page - Exar Corporation SP331 Datasheet HTML 5Page - Exar Corporation SP331 Datasheet HTML 6Page - Exar Corporation SP331 Datasheet HTML 7Page - Exar Corporation SP331 Datasheet HTML 8Page - Exar Corporation SP331 Datasheet HTML 9Page - Exar Corporation SP331 Datasheet HTML 10Page - Exar Corporation Next Button
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Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 50-668-707 • www.exar.com
SP33_00_0260
Figure 7. Typical RS-232 Driver Output
Figure 8. Typical RS-485 Driver Output
TTL
INPUT
DRIVER
OUTPUT
TTL
Input
Driver Output A
Driver Output B
Differential
Output
VA -VB
Figure 9. SP33 Pinout
TI4
SEL_B
TX4
TX3
VCC
TX1
TX2
GND
C1+
V+ (VDD)
C2+
C1–
C2–
V– (VSS)
TI3
TI2
TI1
SEL_C
SEL_A
SEL_D
RX4
RX3
RX2
RX1
RI4
RI3
RI2
RI1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14



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