LTC1545C View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1545C' PDF : 16 Pages View PDF
LTC1545
TYPICAL APPLICATIONS
TXD
SCTE
TXC
RXC
RXD
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
TXD A (103)
14
TXD B
24
SCTE A (113)
11
SCTE B
15
TXC A (114)
12
TXC B
17 RXC A (115)
9
RXC B
3 RXD A (104)
16 RXD B
7
SG
1 SHIELD
VCC
C10
5V
1µF
RTS
DTR
DCD
DSR
CTS
LL
RI
TM
RL
M0
M1
M2
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
D4
24
10
23
R4
17
22
R5
18
21
D5
11
15
M0
12
D4ENB
M1
13
M2
R4EN 16 NC
14
DCE/DTE
DB-25 MALE
CONNECTOR
4 RTS A (105)
19 RTS B
20
DTR A (108)
23
DTR B
8
DCD A (109)
10
DCD B
6
DSR A (107)
22
DSR B
5
CTS A (106)
13
CTS B
18 LL (141)
*
RI (125)
25 TM (142)
21
RL (140)
*OPTIONAL
1544 F22
Figure 22. Controller-Selectable Multiprotocol DTE Port with DB-25 Connector
13
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