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VSC8117QP2

更新时间： 2024-02-26 04:46:03

品牌	Logo	应用领域
VITESSE		时钟发生器 ATM集成电路 SONET集成电路 SDH集成电路电信集成电路电信电路异步传输模式
页数	文件大小	规格书
22页	408K
描述
ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery

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VSC8117QP2 技术参数

生命周期：	Obsolete	零件包装代码：	QFP
包装说明：	FQFP,	针数：	64
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.82	Is Samacsys：	N
应用程序：	ATM;SDH;SONET	JESD-30 代码：	S-PQFP-G64
长度：	10 mm	功能数量：	1
端子数量：	64	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	FQFP	封装形状：	SQUARE
封装形式：	FLATPACK, FINE PITCH	认证状态：	Not Qualified
座面最大高度：	2.45 mm	标称供电电压：	3.3 V
表面贴装：	YES	电信集成电路类型：	ATM/SONET/SDH TRANSCEIVER
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	QUAD
宽度：	10 mm	Base Number Matches：	1

VSC8117QP2 数据手册

VITESSE

SEMICONDUCTOR CORPORATION

Data Sheet

ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux

with Integrated Clock Generation and Clock Recovery

VSC8117

Features

• +3.3V/5V programmable PECL Serial Interface

• Operates at Either STS-3/STM-1 (155.52Mb/s)

or STS-12/STM-4 (622.08Mb/s) Data Rates

• Provides Equipment, Facilities and Split Loop-

back Modes as well as Loop Timing Mode

• Compatible with Industry ATM UNI Devices

• On Chip Clock Generation of the 155.52MHz

or 622.08MHz High Speed Clock (Mux)

• Provides TTL and PECL reference clock inputs

• Meets Bellcore, ITU and ANSI Specifications for

Jitter Performance

• On Chip Clock Recovery of the 155.52MHz or

622.08MHz High Speed Clock (Demux)

• Low Power - 1.0 Watts Typical

• 64 PQFP Package

• 8 Bit Parallel TTL Interface

• SONET/SDH Frame Recovery

• Loss of Signal (LOS) Input & LOS Detection

General Description

The VSC8117 is an ATM/SONET/SDH compatible transceiver integrating an on-chip Clock Multiplication

Unit (PLL) for the high speed clock as well as a clock and data recovery unit (CRU) with 8 bit serial-to-parallel

and parallel-to-serial data conversion. The PLL clock is used for serialization in the transmit direction (Mux).

The recovered clock is used for deserialization in the receive direction (Demux). The demultiplexer contains

SONET/SDH frame detection and recovery. The device provides facility loopback, equipment loopback, and

loop timing modes. The part is packaged in a 64-pin PQFP with integrated heat spreader for optimum thermal

performance and reduced cost. The VSC8117 provides an integrated solution for ATM physical layers and

SONET/SDH systems applications.

Functional Description

The VSC8117 is designed to provide a SONET/SDH compliant interface between the high speed optical

networks and the lower speed User Network Interface devices such as the PM5355 S/UNI-622. The VSC8117

converts 8 bit parallel data at 77.76Mb/s or 19.44Mb/s to a serial bit stream at 622.08Mb/s or 155.52Mb/s

respectively. The device also provides a Facility Loopback function which loops the received high speed data

and clock (optionally recovered on-chip) directly to the high speed transmit outputs. A Clock Multiplier Unit

(CMU) is integrated into the transmit circuit to generate the high speed clock for the serial output data stream

from input reference frequencies of 19.44 or 77.76 MHz. The CMU can be bypassed with the recovered clock in

loop timing mode thus synchronizing the entire part to a single clock. The block diagram on page 2 shows the

major functional blocks associated with the VSC8117.

The receive section provides the serial-to-parallel conversion, converting the 155.52Mb/s or 622.08Mb/s bit

stream to an 8 bit parallel output at 19.44Mb/s or 77.76Mb/s respectively. A Clock Recovery Unit (CRU) is inte-

grated into the receive circuit to recover the high speed clock from the received serial data stream. The receive

section provides an Equipment Loopback function which will loop the low speed transmit data and clock back

through the receive section to the 8 bit parallel data bus and clock outputs. The VSC8117 also provides the

option of selecting between either its internal CRU’s recovered clock and data signals or optics containing a

G52221-0, Rev. 4.1

1/8/00

VITESSE SEMICONDUCTOR CORPORATION

741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896

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与VSC8117QP2相关器件

型号	品牌	描述	获取价格	数据表
VSC8120	VITESSE	Clock Recovery Circuit, 1-Func, GAAS, PQFP64, 10 X 10 MM, PLASTIC, QFP-64	获取价格
VSC8120	MICROSEMI	Clock Recovery Circuit, 1-Func, GAAS, PQFP64, 10 X 10 MM, PLASTIC, QFP-64	获取价格
VSC8121	VITESSE	2.488GHz SONET/SDH Clock Generator	获取价格
VSC8121QI	VITESSE	2.488GHz SONET/SDH Clock Generator	获取价格
VSC8122	VITESSE	Multi-Rate SONET/SDH Clock and Data Recovery IC	获取价格
VSC8122-FECQP	VITESSE	Clock Recovery Circuit, 1-Func, PQFP64, 10 X 10 MM, HEAT SPREADER, PLASTIC, QFP-64	获取价格

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