LTC1544CG Linear Technology, LTC1544CG Datasheet - Page 16

• Manufacturer Part Number: LTC1544CG
• Description: IC TXRX SOFTWARE SELECTBL 28SSOP
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LTC1544CG

• Number Of Drivers/receivers: 4/4
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Protocol: -

LTC1544
TYPICAL APPLICATIO S
16
C10
1 F
SCTE
RXD
RXC
DSR
DCD
DTR
TXC
TXD
CTS
RTS
M2
M1
M0
LL
C3
1 F
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
M0
M1
M2
DCE/DTE
V
V
M0
M1
M2
DCE/DTE
CC
DD
Figure 23. Controller-Selectable DCE Port with DB-25 Connector
LTC1544
LTC1543
CHARGE
D2
D3
D1
D1
D2
D3
D4
PUMP
R1
R2
R3
R1
R2
R3
R4
U
INVERT
GND
V
EE
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
28
27
26
NC
+
C2
1 F
C4
3.3 F
C11
1 F
C13
1 F
C12
1 F
14
2
V
V
CC
EE
100pF
C6
3
5
100pF
4
C7
8
6
100pF
7
C8
11
9
10
12
16
13
15 18 17 19 20 22
V
CC
LTC1344A
23 24
LATCH
1
21
1544 F23
16
17
12
24
11
10
20
23
19
18
15
14
13
22
3
9
7
1
5
6
8
4
2
SCTE A (113)
SCTE B
TXD A (103)
TXD B
SGND (102)
SHIELD (101)
CTS A (106)
CTS B
DSR A (107)
DSR B
DTR A (108)
DTR B
RTS A (105)
RTS B
LL A (141)
RXD A (104)
RXD B
RXC A (115)
RXC B
TXC A (114)
TXC B
DCD A (109)
DCD B
DB-25 FEMALE
CONNECTOR