LTC1545CG View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1545CG Datasheet PDF : 16 Pages
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LTC1545
TYPICAL APPLICATIONS
DTE_TXD/DCE_RXD
DTE_SCTE/DCE_RXC
DTE_TXC/DCE_TXC
DTE_RXC/DCE_SCTE
DTE_RXD/DCE_TXD
VCC
5V
3
28
C3
1µF C1
1µF
C2
1
27
1µF
CHARGE
26
2
PUMP
4
25
C4
3.3µF
C5
1µF
LTC1543
24
5
D1
23
22
6
D2
21
7
D3
20
8
R1
19
18
9
R2
17
16
10
R3
15
11 M0
12 M1
13 M2
14
DCE/DTE
C6 C7 C8
100pF 100pF 100pF
3 8 11 12 13
LTC1344A
14
VCC
C13
1µF
21
LATCH
2 VEE
C12
1µF
5 4 6 7 9 10
16 15 18 17 19 20 22 23 24 1
2 DTE
TXD A
14
TXD B
24
SCTE A
11
SCTE B
DCE
RXD A
RXD B
RXC A
RXC B
15
TXC A
12
TXC B
17 RXC A
9 RXC B
3 RXD A
16 RXD B
7
SG
1 SHIELD
TXC A
TXC B
SCTE A
SCTE B
TXD A
TXD B
C10
1µF
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
DCE/DTE
M0
M1
M2
VCC
5V
C9
1µF 1,19 VCC
2,20 VDD
36
VEE 35
GND
C11
1µF
34
3
D1
33
32
4
D2
31
5
D3
LTC1545
30
6
R1
29
28
7
R2
27
8
26
R3
25
9
24
D4
10
23
R4
17
22
R5
18
21
D5
11
15
M0
D4ENB
12
M1
13
M2
R4EN 16
NC
14
DCE/DTE
DB-25
CONNECTOR
4 RTS A
19 RTS B
20
DTR A
23
DTR B
CTS A
CTS B
DSR A
DSR B
8
DCD A
10
DCD B
6
DSR A
22
DSR B
5
CTS A
13 CTS B
18
LL
*
RI
25
TM
21
RL
DCD A
DCD B
DTR A
DTR B
RTS A
RTS B
RI
LL
RL
TM
*OPTIONAL
1544 F24
Figure 24. Controller-Selectable Multiprotocol DTE/DCE Port with DB-25 Connector
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.
15
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