LTC1546 Linear Technology, LTC1546 Datasheet - Page 16

• Manufacturer Part Number: LTC1546
• Description: Software-Selectable Multiprotocol Transceiver with Termination
• Manufacturer: Linear Technology

LTC1546
16
TYPICAL APPLICATIO S
M0
M1
M2
C10
1 F
SCTE
RXD
RXC
DSR
DCD
DTR
TXC
TXD
CTS
RTS
LL
Figure 30. Controller-Selectable DCE Port with DB-25 Connector
C3
1 F
U
V
5V
CC
1 F
C1
C9
1 F
C5
1 F
NC
NC
V
CC
10
11
12
13
14
10
11
12
13
14
3
1
2
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
V
V
M0
M1
M2
DCE/DTE
M0
M1
M2
DCE/DTE
CC
DD
D1
D2
D3
LTC1546
LTC1544
CHARGE
D1
D2
D3
D4
PUMP
R1
R2
R3
R1
R2
R3
R4
INVERT
GND
T
T
T
T
T
V
EE
22
25
24
23
22
21
20
19
18
17
16
15
28
27
26
25
24
23
21
20
19
18
17
16
15
28
27
26
NC
+
C2
1 F
C4
3.3 F
C11
1 F
16
17
12
24
11
14
10
20
23
19
18
15
13
22
3
1
5
8
4
9
2
7
6
SGND (102)
SHIELD (101)
CTS A (106)
CTS B
DSR A (107)
DSR B
DCD A (109)
DCD B
DTR A (108)
DTR B
RTS A (105)
RTS B
LL A (141)
RXD A (104)
RXD B
RXC A (115)
TXC A (114)
TXC B
SCTE A (113)
SCTE B
TXD A (103)
TXD B
RXC B
DB-25 FEMALE
CONNECTOR
1546 F30