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參數(shù)資料
| 型號： | HFBR-5207 |
| 英文描述： | 622 Mbps Multimode Fiber Transceiver for ATM,SONET STS-12/SDH STM-4(應(yīng)用于 ATM,SONET STS-12/SDH STM-4的622 Mbps多模式光收發(fā)器) |
| 中文描述： | 622 Mbps的多模光纖收發(fā)器（應(yīng)用于自動取款機(jī)，SONET的STS-12/SDH的STM - 4的622對ATM，SONET的STS-12/SDH的STM - 4 Mbps的多模式光收發(fā)器） |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 102K |
| 代理商： | HFBR-5207 |
13
Table 1. Pin Out Table
Pin
Mounting Studs
Symbol
Functional Description
The mounting studs are provided for transceiver mechanical attachment to the circuit
board. They are embedded in the non-conductive plastic housing and are not connected
to the transceiver internal circuit. They should be soldered into plated-through holes on
the printed circuit board.
Reference Clock - Optional Feature
Reference Clock can be used as an optional, internally generated local receiver clock
when the Input Optical Signal is disrupted. See Pin 2 Lck Ref-description. This input is
not required for the normal operation of the Clock recovery circuit. This is a single-
ended PECL input.
1
Ref Clk
If this Reference Clock input is used, provide a 19.44 MHz external reference clock
signal and terminate at this input pin with standard PECL techniques.
If this Reference Clock input is not used, leave the input open-circuited. With the input
open-circuited, an internal pull-down resistor will bias this input to a low-state condition.
Lock-to-Reference Clock Bar - Optional Feature
Lock-to-Reference Clock Bar can be used to help manage the performance of the receiver
when the Input Optical Signal is disrupted. When used, it places the received data outputs
in static states and it triggers an internally generated local receiver clock to be output on
Clk/Clk- in substitution of recovered clock. This is a single-ended PECL input.
2
Lck Ref-
For normal operation of the transceiver, connect this Lock-to-Reference-bar input to
V
CC
or a PECL high-state (V
IH
) which causes the internal CDR circuit to output
recovered differential clock on Clk/Clk- and re-timed differential data on RD/RD-.
For optional use to make static the received data outputs and to output the internally
generated local receiver clock, connect Lck Ref- input to a PECL low-state (V
IL
), or
leave this input open-circuited. When this is done it will cause: 1) the Received Data
outputs to change to static PECL logic levels (RD = V
OL
and RD- = V
OH
), 2) the internal
CDR circuit to switch over to using the external reference clock, if provided, as the
timing source to generate a 622.08 Mb/s clock output on Clk/Clk-. If the feature is used,
one way to implement it is to connect this pin to Signal Detect directly with a single
pull-down resistor of 10 k
to ground.
If this Lock-to-Reference feature is not used, this pin must be connected directly to V
CC
or a PECL high-state to disable it.
Received Recovered Clock Out Bar
See pins 1 & 2 for optional, local generated clock output.
3
Clk-
The rising edge occurs coincident with the edges of the Received Data output.
The falling edge occurs in the middle of the Received Data baud period.
Terminate this high-speed, complementary, differential clock output with standard PECL
techniques at the clock input point of the follow-on device.
If this clock output is not used, leave it open-circuited with no printed circuit board trace
attached to this output pin.
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| HFBR-5208 | 功能描述:光纖發(fā)射器、接收器、收發(fā)器 622Mbps ATM MMF 1x9 Trxcvr RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長:850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝: |
| HFBR-5208AEM | 功能描述:光纖發(fā)射器、接收器、收發(fā)器 1x9 622Mb/s SR ExtTe mp Txcvr Metal RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長:850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝: |
| HFBR-5208AEMZ | 功能描述:光纖發(fā)射器、接收器、收發(fā)器 1x9 622Mb/s SR ExTp Txc Metal RoHS RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長:850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝: |
| HFBR-5208AFM | 功能描述:光纖發(fā)射器、接收器、收發(fā)器 1x9 622Mb/s SR ExtTe mp Txcvr Metal RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長:850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝: |
| HFBR-5208AFMZ | 功能描述:光纖發(fā)射器、接收器、收發(fā)器 1x9 622Mb/s SR ExTp Txc Metal RoHS RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長:850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝: |
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