LTC1334 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1334 Datasheet PDF : 16 Pages
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LTC1334
BLOCK DIAGRA SM
Interface Configuration with Loopback Disabled
C1
VDD
PORT 1 = RS232 MODE
PORT 2 = RS232 MODE
1
28
2
27
C2 C1
3
26 VCC VDD
PORT 1 = RS485 MODE
PORT 2 = RS232 MODE
1
28
2
27
C2 C1
3
26 VCC VDD
PORT 1 = RS232 MODE
PORT 2 = RS485 MODE
1
28
2
27
C2 C1
3
26 VCC VDD
PORT 1 = RS485 MODE
PORT 2 = RS485 MODE
1
28
2
27
C2
3
26 VCC
4
A1
5
B1
Y1 6
Z1 7
8
SEL1 = 0V
25
RB1
24
RA1
23
DZ1
22
DY1
21
LB
4
A1
5
B1
Y1 6
Z1 7
8
SEL1 = 5V
25
RB1
24
RA1
23
DE1
22
DY1
21
LB
4
A1
5
B1
Y1 6
Z1 7
8
SEL1 = 0V
25
RB1
24
RA1
23
DZ1
22
DY1
21
LB
4
A1
5
B1
Y1 6
Z1 7
8
SEL1 = 5V
25
RB1
24
RA1
23
DE1
22
DY1
21
LB
SEL2 = 0V 9
Z2 10
11
Y2
B2 12
A2 13
GND 14
20
ON
19
DY2
18
DZ2
17
RA2
16
RB2
15 VEE
SEL2 = 0V 9
Z2 10
11
Y2
B2 12
A2 13
GND 14
20
ON
19
DY2
18
DZ2
17
RA2
16
RB2
15
VEE
SEL2 = 5V 9
Z2 10
11
Y2
B2 12
A2 13
GND 14
20
ON
19
DY2
18
DE2
17
RA2
16
RB2
15 VEE
SEL2 = 5V 9
Z2 10
11
Y2
B2 12
A2 13
GND 14
20
ON
19
DY2
18
DE2
17
RA2
16
RB2
15 VEE
LTC1334 • BD01
Interface Configuration with Loopback Enabled
C1
VDD
PORT 1 = RS232 MODE
PORT 2 = RS232 MODE
1
28
2
27
C2 C1
3
26 VCC
VDD
PORT 1 = RS485 MODE
PORT 2 = RS232 MODE
1
28
2
27
C2
3
26 VCC
C1
VDD
PORT 1 = RS232 MODE
PORT 2 = RS485 MODE
1
28
2
27
C2 C1
3
26 VCC
VDD
PORT 1 = RS485 MODE
PORT 2 = RS485 MODE
1
28
2
27
C2
3
26 VCC
Y1 6
Z1 7
8
SEL1 = 0V
25
RB1
24
RA1
23
DZ1
22
DY1
21
LB
Y1 6
Z1 7
8
SEL1 = 5V
25
RB1
24
RA1
23
DE1
22
DY1
21
LB
Y1 6
Z1 7
8
SEL1 = 0V
25
RB1
24
RA1
23
DZ1
22
DY1
21
LB
Y1 6
Z1 7
8
SEL1 = 5V
25
RB1
24
RA1
23
DE1
22
DY1
21
LB
SEL2 = 0V 9
Z2 10
11
Y2
GND 14
20
ON
19
DY2
18
DZ2
17
RA2
16
RB2
15 VEE
SEL2 = 0V 9
Z2 10
11
Y2
GND 14
20 ON
19
DY2
18
DZ2
17
RA2
16
RB2
15
VEE
SEL2 = 5V 9
Z2 10
11
Y2
GND 14
20 ON
19
DY2
18
DE2
17
RA2
16
RB2
15 VEE
SEL2 = 5V 9
Z2 10
11
Y2
GND 14
20
ON
19
DY2
18
DE2
17
RA2
16
RB2
15 VEE
LTC1334 • BD02
8
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