MAX13174E Datasheet, PDF (8/13 Pages) Maxim Integrated Products – +5V Multiprotocol, Pin-Selectable Cable Terminator

+5V Multiprotocol, Pin-Selectable
Cable Terminator
DTE_TXD/DCE_RXD
DTE_SCTE/DCE_RXC
DTE_TXC/DCE_TXC
DTE_RXC/DCE_SCTE
DTE_RXD/DCE_TXD
C10
1µF
DTE_RTS/DCE_CTS
DTE_DTR/DCE_DSR
DTE_DCD/DCE_DCD
DTE_DSR/DCE_DTR
DTE_CTS/DCE_RTS
DTE_LL/DCE_LL
DCE/DTE
M2
M1
M0
VCC
5V
3
C3
4.7µF
1
C1
1µF
2
4
C4
4.7µF
5
6
7
8
9
10
28
27
CHARGE ²⁶
PUMP
25
24
T1
23
22
T2
21
T3
20
R1
19
18
R2
17
16
R3
15
11 ^MAX13170E
M0
12 _M1
13 _M2
14
DCE/DTE
C13
1µF
C2
1µF
C5
4.7µF
C6
C7
C8
100pF 100pF 100pF
3
8
11 12 13
14 _VCC
MAX13174E
21
LATCH
2 _VEE
C12
1µF
5
46
7 9 10 16 15 18 17 19 20 22 23 24 1
2 ^DTE
14 ^{TXD A}
DCE
RXD A
24
11
TXD B
SCTE A
RXD B
RXC A
SCTE B 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
SG
1 _SHIELD
C9
1µF
VCC
1 _VCC
28
VEE
C11
1µF
2 _VDD
GND ²⁷
3
26
T1
25
4
T2
24
23
5
T3
6
22
R1
21
7
20
R2
19
18
8
R3
17
10
R4
16
9
T4
11
MAX13172E
M0
12 _M1
13 _M2
15
INVERT
14
DCE/DTE
DB-25
CONNECTOR
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
6
22
DSR A
DSR B
5
13
CTS A
CTS B
18 _LLA
DCD A
DCD B
DTR A
DTR B
RTS A
RTS B
LLA
Figure 5. Multiprotocol DCE/DTE Port
8 _______________________________________________________________________________________