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參數(shù)資料
| 型號： | MAX13174ECAG+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 10/13頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CBL TERMINATION NETWRK 24SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 類型： | 纜線 |
| 端子數(shù)： | 6 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SSOP |
| 包裝： | 帶卷 (TR) |
MAX13174E
+5V Multiprotocol, Pin-Selectable
Cable Terminator
6
_______________________________________________________________________________________
The state of the MAX13174E’s mode-select pins—M0,
M1, M2, and DCE/DTE—determines the mode of each of
the six termination networks. Table 1 shows a cross-refer-
ence of termination mode and select pin state for each of
the six termination networks within the MAX13174E.
No-Cable Mode
The MAX13174E enters no-cable mode when the mode-
select inputs—M0, M1, and M2—are connected high. In
no-cable mode, all six termination networks are placed
in V.11 mode, with S1 closed and S2 open (Figure 4).
Applications Information
Older multiprotocol interface termination circuits have
been constructed using expensive relays with discrete
resistors, custom cables with built-in termination, or
complex circuit-board configurations to route signals to
the correct termination. The MAX13174E provides a
simple solution to this termination problem. All required
termination configurations are easily cable- or pin-
selectable using the four mode-control input pins (M0,
M1, M2, and DCE/DTE).
Using the MAX13174E in a Multiprotocol
Serial Interface
The MAX13174E terminator is designed to form a com-
plete +5V cable- or pin-selectable multiprotocol
DCE/DTE interface port when used with the
MAX13170E/MAX13172E differential drivers/receivers.
The MAX13174E terminator is designed to use the VEE
power generated by the MAX13171E’s charge pump
and meets all data sheet specifications when connect-
ed as illustrated in Figure 5. The mode-selection tables
of all three devices are identical, allowing the M0, M1,
M2, and DCE/DTE pins of each device to be connected
to a single 4-wire control bus. The MAX13170E and
MAX13172E provide internal pullups for the four lines,
Figure 3. Block Diagram
VCM =
±7V OR ±2V
VDM =
±2V
RDM =
VDM
R2 = 52
Ω
R3 = 127
Ω
R1 = 52
Ω
S1 ON
A
I
B
S2 OFF
AMMETER
Figure 1. V.11 or V.35 Differential Impedance Measurement
VCM =
±2V
R2 = 52
Ω
R3 = 127
Ω
R1 = 52
Ω
S1 ON
A
B
S2 ON
AMMETER
RCM =
VCM
I
Figure 2. V.35 Common-Mode Impedance Measurement
M2
123
456
5
2
1
24
23
22
21
4
6 7
9 10 16 15 18 17
14
19 20
3
8
11 12
13
VCC VEE
M1
M0
DCE/DTE
LATCH
MAX13174E
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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