LTC1546 Linear Technology, LTC1546 Datasheet - Page 15

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

TYPICAL APPLICATIO S
M0
M1
M2
C10
1 F
SCTE
RXC
RXD
DTR
DCD
DSR
TXD
TXC
RTS
CTS
LL
Figure 29. Controller-Selectable Multiprotocol DTE Port with DB-25 Connector
C3
1 F
U
V
5V
CC
1 F
C1
C9
1 F
C5
1 F
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
D3
D1
D2
CHARGE
LTC1546
LTC1544
D1
D2
D3
D4
PUMP
R1
R2
R3
R1
R2
R3
R4
INVERT
GND
T
T
T
T
T
V
EE
28
27
26
25
24
23
22
21
20
19
18
17
16
15
28
27
26
25
24
23
22
21
20
19
18
17
16
15
NC
+
C2
1 F
C4
3.3 F
C11
1 F
14
24
12
16
10
22
13
18
11
15
17
19
20
23
2
9
7
1
4
8
6
5
3
SG
SHIELD
RTS A (105)
RTS B
DTR A (108)
DTR B
DCD A (109)
DCD B
DSR A (107)
DSR B
CTS A (106)
CTS B
LL A (141)
TXD A (103)
TXD B
SCTE A (113)
TXC A (114)
TXC B
RXC A (115)
RXC B
RXD A (104)
RXD B
SCTE B
DB-25 MALE
CONNECTOR
LTC1546
1546 F29
15