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SP331 Datasheet(PDF) 6 Page - Exar Corporation

Part # SP331
Description  Programmable Dual RS-232/RS-485 Transceiver
PDF  13 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

SP331 Datasheet(HTML) 6 Page - Exar Corporation

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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
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