LTC1343 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1343' PDF : 28 Pages View PDF
LTC1343
APPLICATIONS INFORMATION
TM
RXD
RXC
TXC
SCTE
TXD
LL
CTS
DSR
DCD
DTR
RTS
RL
LTC1343
5
39
D1
38
6
D2
37
36
7
D3
35
21
9 DCE
D4
34
33
10
12
32
13
R1
31
30
14
R2
29
15
28
R3
27
16
R4
26
LTC1343
5
D1
39
38
6
D2
37
36
7
D3
35
21
9 DCE D4
34
33
10
VCC
12
13
32
R1
31
30
14
R2
29
15
28
R3
27
16
26
R4
LTC1343
5
D1
39
38
6
D2
37
36
7
D3
35
21
VCC
9 DCE D4
34
33
10
12
32
13
R1
31
30
14
R2
29
15
28
R3
27
16
26
R4
LTC1343
5
D1
39
38
6
D2
37
36
7
D3
35
21
9 DCE
D4
34
33
10
12
32
13
R1
31
30
14
R2
29
15
28
R3
27
16
R4
26
C6 C7 C8
100pF 100pF 100pF
3
8
11 12 13
LTC1344
DCE/
DTE
5 4 6 7 9 10 16 15 18 17 19 20 22
DCE/DTE DB-25 CONNECTOR
25 TM A (142)
3 RXD A (104)
16 RXD B
17 RXC A (115)
9 RXC B
15 TXC A (114)
12 TXC B
24 SCTE A (113)
11 SCTE B
2 TXD A (103)
14 TXD B
18 LL A (141)
7
SGND (102)
5 CTS A (106)
13 CTS B
6 DSR A (107)
22
8 DSR B
10 DCD A (109)
DCD B
1
SHIELD (101)
20
DTR A (108)
23
DTR B
4 RTS A (105)
19
RTS B
21 RL A (140)
1343 F34
22
Figure 34. Controller-Selectable Multiprotocol DTE/DCE Port with DB-25
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