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LTC1545CG#TRPBF
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
13
L
T
C1
545
Figure 22. Controller-Selectable Multiprotocol DTE Port with DB-25 Connector
10
17
18
D2
D1
LTC1545
RTS
DTR
DSR
DCD
CTS
D3
R2
R1
R3
D2
LTC1543
LL
RI
TM
TXD
SCTE
TXC
RXC
RXD
M0
M1
M2
DCE/DTE
V
CC
V
DD
V
CC
5V
V
EE
GND
2
21
14
24
11
15
12
17
9
3
1
4
19
20
8
23
10
6
22
5
13
18
25
*
*OPTIONAL
21
7
16
1544 F22
D3
R2
R1
R3
D1
C2
1
µ
F
C1
1
µ
F
C5
1
µ
F
C3
1
µ
F
C4
3.3
µ
F
TXD A (103)
TXD B
SCTE A (113)
SCTE B
RXC A (115)
RXC B
RXD A (104)
RXD B
RTS A (105)
RTS B
DTR A (108)
DTR B
CTS A (106)
CTS B
SG
SHIELD
DB-25 MALE
CONNECTOR
TXC A (114)
TXC B
DCD A (109)
DCD B
DSR A (107)
DSR B
D4
16
10
9
7
6
4
3
8
11
12
13
5
2
15
18
17
19
20
22
LTC1344A
LATCH
C6
100pF
C7
100pF
C8
100pF
V
CC
V
CC
5V
23
24
14
1
DCE/DTE
M2
M1
M0
CHARGE
PUMP
+
28
3
1
2
4
5
6
7
8
9
10
11
12
13
14
1,19
2,20
3
4
5
6
7
8
9
R4EN
D4ENB
15
16
24
23
22
25
26
27
28
29
30
31
32
33
NC
27
26
25
24
23
22
21
20
19
18
17
16
15
34
35
36
V
EE
M0
M1
M2
DCE/DTE
M0
M1
M2
11
12
13
14
C12
1
µ
F
C13
1
µ
F
C11
1
µ
F
C10
1
µ
F
C9
1
µ
F
RL
D5
21
R4
R5
LL (141)
RI (125)
TM (142)
RL (140)
TYPICAL APPLICA
TIO
N
S
U
14
L
T
C1
545
TYPICAL APPLICA
TIO
N
S
U
10
17
18
D2
D1
LTC1545
D3
R2
R1
R3
V
CC
V
DD
V
EE
GND
D4
1,19
2,20
3
4
5
6
7
8
9
R4EN
D4ENB
15
16
24
23
22
25
26
27
28
29
30
31
32
33
34
35
36
M0
M1
M2
DCE/DTE
11
12
13
14
D5
21
R4
R5
D2
LTC1543
RXD
RXC
TXC
SCTE
TXD
CTS
DSR
DCD
DTR
RI
LL
RTS
RL
TM
M0
M1
M2
DCE/DTE
V
CC
5V
NC
NC
3
16
17
9
15
12
24
11
2
1
5
13
6
8
22
10
20
23
4
19
7
14
1544 F23
D3
R2
R1
R3
D1
C2
1
µ
F
C1
1
µ
F
C5
1
µ
F
C3
1
µ
F
C4
3.3
µ
F
16
10
9
7
6
4
3
8
11
12
13
5
2
15
18
17
19
20
22
LTC1344A
C6
100pF
C7
100pF
C8
100pF
V
CC
V
CC
V
CC
5V
23
24
14
1
DCE/DTE
M2
M1
M0
CHARGE
PUMP
+
28
3
1
2
4
5
6
7
8
9
10
NC
11
12
13
14
27
26
25
24
23
22
21
20
19
18
17
16
15
V
EE
M0
M1
M2
21
LATCH
C12
1
µ
F
C13
1
µ
F
C11
1
µ
F
C10
1
µ
F
C9
1
µ
F
RXD A (104)
RXD B
RXC A (115)
RXC B
SCTE A (113)
SCTE B
TXD A (103)
TXD B
TXC A (114)
TXC B
SGND (102)
SHIELD (101)
DB-25 FEMALE
CONNECTOR
CTS A (106)
CTS B
DSR A (107)
DSR B
RTS A (105)
RTS B
DCD A (109)
DCD B
DTR A (108)
DTR B
18
*
*OPTIONAL
21
25
LL (141)
RL (140)
TM (142)
RI (125)
Figure 23. Controller-Selectable DCE Port with DB-25 Connector
15
L
T
C1
545
TYPICAL APPLICA
TIO
N
S
U
Figure 24. Controller-Selectable Multiprotocol DTE/DCE Port with DB-25 Connector
10
17
18
D2
D1
LTC1545
D3
R2
R1
R3
V
CC
V
DD
V
EE
GND
D4
1,19
2,20
3
4
5
6
7
8
9
R4EN
D4ENB
15
16
NC
24
23
22
25
26
27
28
29
30
31
32
33
34
35
36
M0
M1
M2
DCE/DTE
11
12
13
14
D5
21
R4
R5
18
*
*OPTIONAL
21
25
LL
LL
RL
RL
TM
TM
RI
RI
D2
LTC1543
DTE_TXD/DCE_RXD
DTE_TXC/DCE_TXC
DTE_RXC/DCE_SCTE
DTE_RXD/DCE_TXD
DTE_RTS/DCE_CTS
DTE_DTR/DCE_DSR
DTE_DCD/DCE_DCD
DTE_DSR/DCE_DTR
DTE_CTS/DCE_RTS
DTE_LL/DCE_RI
DTE_RI/DCE_LL
DTE_TM/DCE_RL
DTE_RL/DCE_TM
DTE_SCTE/DCE_RXC
M0
M1
M2
DCE/DTE
V
CC
5V
2
14
24
11
15
12
17
9
3
1
4
19
20
8
23
10
6
22
5
13
7
16
1544 F24
D3
R2
R1
R3
D1
C2
1
µ
F
C1
1
µ
F
C5
1
µ
F
C3
1
µ
F
C4
3.3
µ
F
TXD A
TXD B
SCTE A
SCTE B
RXD A
RXD B
RXC A
RXC B
RXC A
RXC B
RXD A
RXD B
RTS A
RTS B
DTR A
DTR B
CTS A
CTS B
DSR A
DSR B
CTS A
CTS B
SG
SHIELD
DB-25
CONNECTOR
TXC A
TXC B
SCTE A
SCTE B
TXD A
TXD B
TXC A
TXC B
DCD A
DCD B
DSR A
DSR B
RTS A
RTS B
DCD A
DCD B
DTR A
DTR B
16
10
9
7
6
4
3
8
11
12
13
5
2
15
18
17
19
20
22
LTC1344A
C6
100pF
C7
100pF
C8
100pF
V
CC
V
CC
5V
23
24
14
1
DCE/DTE
M2
M1
M0
CHARGE
PUMP
+
28
3
1
2
4
5
6
7
8
9
10
11
12
13
14
27
26
25
24
23
22
21
20
19
18
17
16
15
V
EE
DCE/DTE
M0
M1
M2
DTE
DCE
21
LATCH
C12
1
µ
F
C13
1
µ
F
C11
1
µ
F
C10
1
µ
F
C9
1
µ
F
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
LTC1545CG#TRPBF
Mfr. #:
Buy LTC1545CG#TRPBF
Manufacturer:
Analog Devices Inc.
Description:
RS-232 Interface IC Sftwr-Sel Multiprotocol Tran
Lifecycle:
New from this manufacturer.
Delivery:
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Payment:
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