MXL1344ACAG 데이터 시트보기 (PDF) - Maxim Integrated
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MXL1344ACAG Datasheet PDF : 12 Pages
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+5V Multiprotocol, Software-Selectable
Cable Terminator
DTE_TXD/DCE_RXD
DTE_SCTE/DCE_RXC
DTE_TXC/DCE_TXC
DTE_RXC/DCE_SCTE
DTE_RXD/DCE_TXD
100pF 100pF 100pF
VCC
5V
3
4.7µF
1
1µF
2
1µF
5
6
7
8
9
10
28
27
CHARGE 26
PUMP
25
24
D1
23
22
D2
21
D3
20
R1
19
18
R2
17
16
R3
15
11 M0 MXL1543
12 M1
13 M2
14
DCE/DTE
0.1µF
1µF
4.7µF
3 8 11 12 13
14
MXL1344A
21
LATCH
2
0.1µF 5 4 6 7 9 10 16 15 18 17 19 20 22 23 24 1
SYSTEM
PROPRIETARY
CONNECTOR
S GND
DB-25
CONNECTOR
INTERCONNECT
CABLE 2
14
24
11
DTE
TXD A
TXD B
SCTE A
SCTE B
DCE
RXD A
RXD B
RXC A
RXC B
15
12
TXC A
TXC B
TXC A
TXC B
17
9
RXC A SCTE A
RXC B SCTE B
3 RXD A TXD A
16
7
RXD B TXD B
SIGNAL GND
1 SHIELD
DTE_RTS/DCE_CTS
DTE_DTR/DCE_DSR
DTE_DCD/DCE_DCD
DTE_DSR/DCE_DTR
DTE_CTS/DCE_RTS
LOCAL_LOOP_BACK
0.1µF VCC
1 VCC
28
VEE
2 VDD
GND 27
1µF
3
26
D1
25
4
D2
24
23
5
D3
6
22
R1
21
7
20
R2
19
18
8
R3
17
10
R4
16
9
D4
11 M0 MXL1544/
12
MAX3175
M1
13 M2
14
15
DCE/DTE INVERT
0.1µF
M0
M1
M2
DCE/DTE
4 RTS A
19 RTS B
20
23
DTR A
DTR B
CTS A
CTS B
DSR A
DSR B
8
10
DCD A
DCD B
DCD A
DCD B
6
22
DSR A
DSR B
DTR A
DTR B
5
CTS A
RTS A
13 CTS B RTS B
18 LL
Figure 5. Cable-Selectable Multiprotocol DCE/DTE Serial Interface (Configured in RS-530A DTE Mode)
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