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SP330E Datasheet(PDF) 20 Page - Exar Corporation

Part # SP330E
Description  RS-232/RS-485/RS-422 TRANSCEIVER WITH 1.65V-5.5V INTERFACE
PDF  23 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

SP330E Datasheet(HTML) 20 Page - Exar Corporation

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SP330E
20
RS-232/RS-485/RS-422 TRANSCEIVER WITH 1.65V-5.5V INTERFACE
REV. 1.0.0
TABLE 3: RS-485/422 TX TRUTH TABLE
INPUTS
OUTPUTS
SHDN
RS-485/RS-232
DE/T2IN
DI/T1IN
Z(B)/T1OUT
Y(A)/T2OUT
0
X
X
X
1/8th unit load
1/8th unit load
1
1
0
X
1/8th unit load
1/8th unit load
1
1
1
0
1
0
1
1
1
1
0
1
X
0
X
X
RS-232 Mode
TABLE 4: RS-485/422 RX TRUTH TABLE
INPUTS
OUTPUT
RS-485/RS-232
SHDN
HALF/FULL
RE
(A-B)
(Y-Z)
RO/R2OUT
1
0
X
X
X
X
High-Z
1
1
0
0
-50mV
X
1
1
1
0
0
-200mV
X
0
1
1
0
0
Floating
X
1
1
1
1
0
X
-50mV
1
1
1
1
0
X
-200mV
0
1
1
1
0
X
Floating
1
1
1
X
1
X
X
High-Z
0
X
X
X
X
X
RS-232 Mode



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