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參數(shù)資料
| 型號： | VSC8122QP |
| 廠商： | VITESSE SEMICONDUCTOR CORP |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | Multi-Rate SONET/SDH Clock and Data Recovery IC |
| 中文描述： | CLOCK RECOVERY CIRCUIT, PQFP64 |
| 封裝： | 10 X 10 MM, HEAT SPREADER, PLASTIC, QFP-64 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 346K |
| 代理商： | VSC8122QP |
VITESSE
Multi-Rate SONET/SDH
Clock and Data Recovery IC
Data Sheet
VSC8122
G52228-0, Rev 4.1
01/05/01
Page 1
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano Camarillo, CA 93012
Tel: (800) VITESSE FAX: (805) 987-5896 Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Features
Multi-Rate OC-3, OC-12, OC-24, OC-48 Clock
and Data Recovery
General Description
The VSC8122 is a single-chip clock recovery IC for use in SONET OC-48, OC-24, OC-12, OC-3, or Giga-
bit Ethernet systems operating at their respective 2.48832Gb/s, 1.24416Gb/s, 622.08Mbps, 155.52Mbps, or
1.25Gbps data rates. The VSC8122 complies with SONET jitter tolerance, jitter transfer and jitter generation
specifications.
Alarm functions support typical telecom system applications. The Loss of Lock (LOL) output indicates
when the device goes out of lock, which would most often occur in the event of a loss of valid data. The NOREF
output flags when the reference input to the VSC8122 either is removed, or goes severely out of tolerance.
VSC8122 Block Diagram
Supports Gigabit Ethernet
Differential Back Terminated I/O
Maintains Clock Output in the Absence of Data
Selectable Reference Clock
Loss of Lock Indicator
Exceeds SONET/SDH Requirements for Jitter
Tolerance, Jitter Transfer and Jitter Generation.
3.3V Supply Operation
1W Typical Power
64-pin , 10x10mm PQFP Packaging
DI+
DI-
Ph/Freq.
Detector
Loop
Filter
VCO
Data
Retiming
Lock
Detect
CO+
CO-
DO+
DO-
LOL
NOREF
REFCK1 +/-
REFCK0 +/-
REF_SEL[1:0]
REF_INPUTSEL
FSEL[1:0]
Divider
Divider
FILTI+/-
FILTO+/-
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| VSC8123 | 10Mb/s to 2.7Gb/s Rate Agile, Adaptive Clock and Data Recovery |
| VSC8124 | Target Specification |
| VSC8131 | 2.488 Gbit/sec 32:1 SONET/SDH Mux with Clock Generator |
| VSC8132 | 2.488Gb/s 1:32 SONET/SDH Demux |
| VSC8132QR | 2.488Gb/s 1:32 SONET/SDH Demux |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| VSC8123 | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:10Mb/s to 2.7Gb/s Rate Agile, Adaptive Clock and Data Recovery |
| VSC8123RB | 制造商:Vitesse Semiconductor Corporation 功能描述: |
| VSC8123RD | 制造商:Vitesse Semiconductor Corporation 功能描述: |
| VSC8124 | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:Target Specification |
| VSC8131 | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:2.488 Gbit/sec 32:1 SONET/SDH Mux with Clock Generator |
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