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參數(shù)資料
| 型號： | DS3154DK |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Quad DS3/E3/STS-1 LIU Demo Kit |
| 中文描述： | 四路DS3/E3/STS-1 LIU演示套件 |
| 文件頁數(shù)： | 11/60頁 |
| 文件大?。?/td> | 788K |
| 代理商： | DS3154DK |
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DS3151/DS3152/DS3153/DS3154 Single/Dual/Triple/Quad DS3/E3/STS-1 LIUs
11 of 60
Table 4-B. Transmitter Pin Descriptions
NAME
I/O
FUNCTION
TCLKn
I
Transmitter Clock. A DS3 (44.736MHz 20ppm), E3 (34.368MHz 20ppm), or STS-1 (51.840MHz
20ppm) clock should be applied at this signal. Data to be transmitted is clocked into the device at
TPOS/TDAT and TNEG either on the rising edge of TCLK (TCINV = 0) or the falling edge of TCLK
(TCINV = 1). See Section
7
for additional details.
Transmitter Positive AMI/Transmitter Data. When the transmitter is configured to have a bipolar
interface (TBIN = 0), a positive pulse is transmitted on the line when TPOS is high. When the
transmitter is configured to have a binary interface (TBIN = 1), the data on TDAT is transmitted after
B3ZS or HDB3 encoding. TPOS/TDAT is sampled either on the rising edge of TCLK (TCINV = 0) or
on the falling edge of TCLK (TCINV = 1).
Transmitter Negative AMI. When the transmitter is configured to have a bipolar interface (TBIN = 0), a
negative pulse is transmitted on the line when TNEG is high. When the transmitter is configured to
have a binary interface (TBIN = 1), TNEG is ignored and should be wired either high or low. TNEG is
sampled either on the rising edge of TCLK (TCINV = 0) or on the falling edge of TCLK (TCINV = 1).
Transmitter Analog Outputs. These differential AMI outputs are coupled to the outbound 75 coaxial
cable through a 2:1 step-down transformer (
Figure 1-1
). These outputs can be tri-stated using the
TTS
pin or the TTS or TPS configuration bits.
Transmitter Tri-State Enable (Active Low).
TTS
tri-states the transmitter outputs (TXP and TXN). This
feature supports applications requiring LIU redundancy. Transmitter outputs from multiple LIUs can be
wire-ORed together, eliminating external switches. The transmitter continues to operate internally
when
TTS
is active.
0 = tri-state the transmitter output driver
1 = enable the transmitter output driver
Transmitter Driver Monitor (Active Low, Open Drain).
TDM
reports the status of the transmit driver
monitor. When the transmit driver monitor detects a faulty transmitter,
TDM
is driven low.
TDM
requires an external pullup to V
DD
.
TPOSn/
TDATn
I
TNEGn
I
TXPn,
TXNn
O3
TTSn
I
TDMn
O
TDSAn,
TDSBn
I
Transmitter Data Select. These inputs select the source of the transmit data. See
Table 4-F
for details.
TLBOn
I
Transmitter Line Build-Out Enable. TLBO indicates cable length for waveform shaping in DS3 and
STS-1 modes. TLBO is ignored for E3 mode and should be wired high or low.
0 = cable length 225ft
1 = cable length < 225ft
Transmitter Jitter Attenuator Enable
0 = remove jitter attenuator from the transmitter path
1 = insert jitter attenuator into the transmitter path
(Note that TJA = 1 takes precedence over RJA = 1.)
TJAn
I
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS3154N | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad DS3/E3/STS-1 Line Interface Unit RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS3154N# | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad DS3/E3/STS-1 Line Interface Unit RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS3154N+ | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad DS3/E3/STS-1 Line Interface Unit RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS3154NA2 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad DS3/E3/STS-1 Line Interface Unit RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS3154NB1 | 制造商:Maxim Integrated Products 功能描述:DS3154B QUAD DS3/E3 LIU IND - Rail/Tube 制造商:Maxim Integrated Products 功能描述:DS3/E3/STS-1 LIUS |
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