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SP338EER1-L Datasheet(PDF) 3 Page - Exar Corporation

Part # SP338EER1-L
Description  RS-232/RS-485/RS-422 TRANSCEIVER
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

SP338EER1-L Datasheet(HTML) 3 Page - Exar Corporation

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SP338E
3
REV. 1.0.0
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
PIN DESCRIPTIONS BY MODE (MODE2, MODE1, MODE0)
Pin
Name
000,
Figure 1
001,
Figure 2
010,
Figure 3
011,
Figure 4
100,
Figure 5
101,
Figure 6
110,
Figure 7
111,
Figure 8
1
L1
R1 Output
1
1
1
1
1
1
2
L2
R2 Output
R1 Output
R1 Output
R1 Output
R1 Output
R1 Output
R1 Output
3
L3
T1 Input
T1 Input
T1 Input
T1 Input
T1 Input
T1 Input
T1 Input
4
L4
T2 Input
5
L6
R3 Output
1
1
1
1
1
R2 Output
6
L7
T3 Input
T2 Input
T2 Input
7
L8
R4 Output
1
1
R2 Output
1
1
R3 Output
8
L9
R5 Output
1
1
1
1
1
R4 Output
9
VCC
VCC
10
GND
Ground
11
SLEW
SLEW = VCC enables 250kbps slew limiting
12
DIR1
T1 Enable,
R1 Disable
T1 Enable
T1 Enable
T1 Enable
T1 Enable,
R1 Disable
T1 Enable,
R1 Disable
13
DIR2
T2 Enable
T2 Enable,
R2 Disable
14
MODE0
0
1
0
1
0
1
0
1
15
MODE1
0
0
1
1
0
0
1
1
16
MODE2
0
0
0
0
1
1
1
1
17
TERM
Enables RS-485/422 receiver termination
18
INVDIR
Inverts DIR1 and DIR2, where applicable
19
ENABLE
ENABLE = VCC for operation, ENABLE = 0V for shutdown
20
VCC
VCC


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