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VSC8163QR 参数 Datasheet PDF下载

VSC8163QR图片预览
型号: VSC8163QR
PDF下载: 下载PDF文件 查看货源
内容描述: OC- 48 16 : 1 SONET / SDH MUX带有时钟发生器 [OC-48 16:1 SONET/SDH MUX with Clock Generator]
分类和应用: 时钟发生器
文件页数/大小: 20 页 / 193 K
品牌: VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
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VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Data Sheet
VSC8163
Features
• 2.488Gb/s 16:1 Multiplexer
• Targeted for SONET OC-48 / SDH STM-16
Applications
• Differential LVPECL Low-Speed Interface
OC-48 16:1 SONET/SDH
MUX with Clock Generator
• On-Chip PLL-Based Clock Generator
• 128 Pin, 14x20mm PQFP Package
• Single +3.3V Supply
General Description
The VSC8163 is a 16:1 multiplexer with integrated clock generator for use in SONET/SDH systems oper-
ating at a 2.48832Gb/s data rate. The internal clock generator uses a Phase-Locked Loop (PLL) to multiply
either a 77.76MHz or 155.52MHz reference clock in order to provide the 2.48832GHz clock for internal logic
and output retiming. The 16-bit parallel interface incorporates an on-board FIFO, eliminating loop timing
design issues by providing a flexible parallel timing architecture. The device operates using a +3.3V power sup-
ply, and is packaged in a thermally-enhanced plastic package. The thermal performance of the 128PQFP allows
the use of the VSC8163 without a heat sink under most thermal conditions.
VSC8163 Block Diagram
CLK16I+
CLK16I-
D0+
D0-
Write
Pointer
Input Register
16x5 FIFO
Output
Retime
DO+
DO-
D15+
D15-
REFCLKO+
REFCLKO-
Reset
CLK16O+
CLK16O-
REFCLK+
REFCLK
REF_FREQSEL
Read
Pointer
FIFO
Control
CLKO+
CLKO-
FIFO_WARN
Divide by 16
Divide
by 2
2.488GHz
PLL
G52216-0, Rev 3.3
01/05/01
©
VITESSE
SEMICONDUCTOR CORPORATION
• 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
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