參數(shù)資料
型號: TRCV0110G
英文描述: ATM/SONET DEMULTIPLEXER|BIPOLAR|BGA|177PIN|PLASTIC
中文描述: 的ATM / SONET的分路器|雙極|的BGA | 177PIN |塑料
文件頁數(shù): 14/26頁
文件大?。?/td> 476K
代理商: TRCV0110G
14
Agere Systems Inc.
Data Sheet
March 28, 2002
Clock Recovery, 1:16 Data Demultiplexer
TRCV0110G 10 Gbits/s Limiting Amplifier
Lock Detect
By the behavior of the LCKLOSSN pin the user can identify three possible lost-of-lock scenarios. If desired, the
user can configure the TRCV0110G to lock directly to the REFCLK input during any of these conditions. See the
TRCV0110G LCKLOSSN
application note.
I
The TRCV0110G contains a frequency detect circuit that compares the frequency of the internal VCO to the
REFCLK. LCKLOSSN transitions low if the frequencies differ by approximately +/-400ppm.
I
The TRCV0110G contains a LOS detect circuit that monitors the amplitude of the incoming serial data.
LCKLOSSN transitions low if the amplitude of the incoming data signal falls below an internal preset threshold.
I
The TRCV0110G contains a Transition detect circuit that monitors for transitions occuring on the LBD inputs.
LCKLOSSN transitions low if no transitions appear on the LBD inputs.
Note:
This mode of detection is only valid when dc coupling the loopback inputs.
2246(F)
Figure 7. LCKLOSSN Modes of Operation
FREQUENCY
DETECTOR
LOSA
DETECTOR
TRANSITION
DETECTOR
LCKLOSSN
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