Datasheet > S2046B

S2046B

更新时间： 2024-09-16 15:50:15

品牌	Logo	应用领域
罗彻斯特 - ROCHESTER		/
页数	文件大小	规格书
23页	165K
描述
Ethernet Transceiver, PQFP52, 10 X 10 MM, COMPACT, PLASTIC, QFP-52

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技术参数
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S2046B 技术参数

生命周期：	Contact Manufacturer	包装说明：	QFP,
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.8	Is Samacsys：	N
JESD-30 代码：	S-PQFP-G52	长度：	10 mm
功能数量：	1	端子数量：	52
最高工作温度：	70 °C	最低工作温度：
封装主体材料：	PLASTIC/EPOXY	封装代码：	QFP
封装形状：	SQUARE	封装形式：	FLATPACK
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：	ETHERNET TRANSCEIVER
温度等级：	COMMERCIAL	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	QUAD
宽度：	10 mm	Base Number Matches：	1

S2046B 数据手册

DEVICE SPECIFICATION

S2046/S2047

GIGABIT ETHERNET CHIPSET

BiCMOS PECL CLOCK GEN RATOR

FEATURES

GENERAL DESCRIPTION

• Functionally compliant with the IEEE 802.3z

Specification

• S2046 transmitter incorporates phase-locked

loop (PLL) providing clock synthesis from low-

speed reference

• S2047 receiver PLL configured for clock and

data recovery

• 1250 Mb/s (Gigabit Ethernet) operation

• 10-bit or 20-bit parallel TTL compatible

interface

The S2046 and S2047 transmitter and receiver pair

are designed to perform high-speed serial data trans-

mission over fiber optic or coaxial cable interfaces

conforming to the requirements of the IEEE 802.3z

specification. The chipset is Gigabit Ethernet compli-

ant and supports 1250 Mb/s with an associated 10 or

20-bit data word.

The chipset performs parallel-to-serial and serial-to-

parallel conversion and framing for block-encoded

data. The S2046 on-chip PLL synthesizes the high-

speed clock from a low-speed reference. The S2047

on-chip PLL synchronizes directly to incoming digital

signals, to receive the data stream. The transmitter

and receiver each support differential PECL-compat-

ible I/O for fiber optic component interfaces, to

minimize crosstalk and maximize data integrity. Local

loopback allows for system diagnostics. The I/O sec-

tion can operate from either a +3.3 V or a +5 V power

supply. With a 3.3 V power supply the chipset dissi-

pates only 1 W typically.

• 1 watt typical power dissipation for chipset

• +3.3/+5 V power supply

• Low-jitter serial PECL compatible interface

• Lock detect

• Local loopback

• Compact 52 pin PQFP package

• Fibre Channel framing performed by receiver

• Continuous downstream clocking from receiver

• TTL compatible outputs possible with +5V I/O

power supply

APPLICATIONS

High-speed data communications

• Ethernet backbone connections

• Mainframe

Figure 1 shows a typical network configuration incor-

porating the chipset.

• Workstation

• Frame buffer

• Switched networks

• Data broadcast environments

• Proprietary extended backplanes

Figure 1. System Block Diagram

Optical

S2047

S2046

Optical

Gigabit

Ethernet

Controller

Gigabit

Ethernet

Controller

S2046

Optical

S2047

Optical

May 16, 2000 / Revision NC

12 3 4 5 6 7...23

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与S2046B相关器件

型号	品牌	获取价格	描述	数据表
S2046B/D	AMCC	获取价格	Ethernet Transceiver, PQFP52, 10 X 10 MM, COMPACT, PLASTIC, QFP-52
S2046B/TD	AMCC	获取价格	Ethernet Transceiver, PQFP52, 10 X 10 MM, COMPACT, PLASTIC, QFP-52
S2046B-5	AMCC	获取价格	Interface Circuit, PQFP52, 10 X 10 MM, COMPACT, PLASTIC, QFP-52
S2046B-5/D	AMCC	获取价格	Interface Circuit, PQFP52, 10 X 10 MM, COMPACT, PLASTIC, QFP-52
S2046B-5/TD	AMCC	获取价格	Interface Circuit, PQFP52, 10 X 10 MM, COMPACT, PLASTIC, QFP-52
S2047B	AMCC	获取价格	Telecom Circuit, 1-Func, PQFP52, 10 X 10 MM, PLASTIC, QFP-52
S2047B/D	AMCC	获取价格	Telecom Circuit, 1-Func, PQFP52, 10 X 10 MM, PLASTIC, QFP-52
S2047B-5	AMCC	获取价格	Interface Circuit, PQFP52, 10 X 10 MM, COMPACT, PLASTIC, QFP-52
S2047B-5/D	AMCC	获取价格	Interface Circuit, PQFP52, 10 X 10 MM, COMPACT, PLASTIC, QFP-52
S2047B-5/TD	AMCC	获取价格	Interface Circuit, PQFP52, 10 X 10 MM, COMPACT, PLASTIC, QFP-52

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