Datasheet > 微控制器和处理器 > 其他 uPs/uCs/外围集成电路> MU9C8248

MU9C8248

更新时间： 2024-01-20 10:14:27

品牌	Logo	应用领域
MUSIC		/
页数	文件大小	规格书
28页	141K
描述
FDDI SRT Interface

阅读下载

中文翻译

获取价格

技术参数
数据手册

如果您发现信息不准确，欢迎纠错

MU9C8248 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Contact Manufacturer	零件包装代码：	QFP
包装说明：	QFP, QFP100,.7X.9	针数：	100
Reach Compliance Code：	unknown	HTS代码：	8542.31.00.01
风险等级：	5.69	Is Samacsys：	N
JESD-30 代码：	R-PQFP-G100	JESD-609代码：	e0
湿度敏感等级：	3	端子数量：	100
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
封装等效代码：	QFP100,.7X.9	封装形状：	RECTANGULAR
封装形式：	FLATPACK	峰值回流温度（摄氏度）：	NOT SPECIFIED
电源：	5 V	认证状态：	Not Qualified
子类别：	Serial IO/Communication Controllers	最大供电电压：	5.5 V
最小供电电压：	4.5 V	标称供电电压：	5 V
表面贴装：	YES	技术：	CMOS
温度等级：	COMMERCIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	GULL WING	端子节距：	0.635 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
uPs/uCs/外围集成电路类型：	MICROPROCESSOR CIRCUIT	Base Number Matches：	1

MU9C8248 数据手册

MU9C8248

FDDI SRT Interface

MUSICI

S E M I C O N D U C T O R S

PRELIMINARY DATA SHEET

DISTINCTIVE CHARACTERISTICS

•

High-speed FDDI Source Routing and Transparent

Bridging address filter supports up to sixteen ports

•

Automatic selection of Source Routing or Transparent

filtering routines based on Transceiver output data

Glue-free operation with the MUSIC MU9C1480 LANCAM

and AMD, National Semiconductor, and Motorola FDDI

chip sets

•

Supplies proper XDAMAT, XSAMAT, SRMAT, ABORT,

and CIP signals to the FDDI chip sets

•

Selectable filtering options for each frame type

Checks validity of Routing Information Field

TTL-compatible interfaces

•

Configurable for both Motorola and Intel processor

addressing modes

•

Complies with the ISO 9314 standard for FDDI

64-entry Instruction Buffer holds up to six down-

loadable filtering and purging routines

Manufactured in CMOS technology

Available in 100-pin PQFP package

•

64-entry Data Buffer or internal FIFO

GENERAL DESCRIPTION

The MU9C8248 is a Source Routing Transparent (SRT) Interface to the The MU9C8248 can choose to copy or reject a frame depending on the

MUSIC Semiconductors LANCAM for use in FDDI LAN Bridges and frame's DA, RIF, and/or the frame type (MAC, LLC, or Reserved), and

Brouters. This interface operates in accordance with ISO standards can perform multiple validity checks within the Routing Information

while supporting address filtering rates up to 500,000 frames/sec for Field (RIF), including general checks on every Routing Control Field

minimum-length frames.

(RCF) as well as multiple frame related checks.

The MU9C8248 has five interfaces to provide “glue-free” address The internal RAM can store up to 64 instructions at initialization for the

filtering. The Transceiver interface monitors receive data between the LANCAM to execute matching, learning, aging, and purging operations.

Physical Layer device and the MAC and determines whether to filter Up to six routines can be stored here and started by the network or the

according to Source Routing or Transparent Bridging standards. The Node Processor. Internal arbitration prioritizes execution of instructions

MAC interface supplies signals to instruct the FDDI chip set to reject or by the LANCAM. A second internal RAM, which contains 64 16-bit

copy

a frame. The LANCAM interface controls the companion words, is used for data buffering operations or as an internal FIFO.

LANCAM(s) for Transparent filtering. The Host Processor interface

allows direct initialization of the MU9C8248, and downloading of the With sixteen Ring-Bridge-Ring number combinations stored internally,

filtering and purging routines. The FIFO interface outputs new the MU9C8248 is very well suited to operate as an address filter in

addresses received from the FDDI network.

multi-port Source Routing Bridge/Brouter environments.

BLOCK DIAGRAM

MAC

INTERFACE

TRANSCEIVER

INTERFACE

DCLK

STRIP

/INT

STOP STRIP

A5-A0

DQ15-DQ0

TRANSPARENT

BRIDGING BLOCK

D15-D0

ALE, SRNW

/CS

SOURCE ROUTING

BLOCK

/RS, /LDS

/WS, /UDS

/HBRDY

/HBEN

INSTRUCTION

BUFFER

/CM

/EC

/MI

/FI

/HBDIR

/RESET

ARBITER

/FULL, /EMPTY

MUSIC is a trademark of MUSIC Semiconductors. LANCAM, the MUSIC logo, and the phrase “MUSIC Semiconductors” are registered trademarks of

MUSIC Semiconductors. AMD is a registered trademark of Advanced Micro Devices, Inc. National Semiconductor is a registered trademark of National

Semiconductor Corporation. Motorola is a registered trademark of Motorola, Inc. Intel is a registered trademark of Intel Corporation.

15 April 1997 Rev. 2.5 Web

12 3 4 5 6 7...28

中文翻译

下载PDF

与MU9C8248相关器件

型号	品牌	获取价格	描述	数据表
MU9C8248QEC	MUSIC	获取价格	FDDI SRT Interface
MU9C8328	MUSIC	获取价格	Ethernet Interface
MU9C8328A	MUSIC	获取价格	Ethernet Interface
MU9C8328A-RDC	MUSIC	获取价格	Ethernet Interface
MU9C8328A-RDI	MUSIC	获取价格	Ethernet Interface
MU9C8328-RDC	MUSIC	获取价格	Ethernet Interface
MU9C8338	MUSIC	获取价格	10/ 100Mb Ethernet Filter Interface
MU9C8338A	MUSIC	获取价格	10/ 100Mb Ethernet Filter Interface
MU9C8338A-TFC	MUSIC	获取价格	10/ 100Mb Ethernet Filter Interface
MU9C8338A-TFI	MUSIC	获取价格	10/ 100Mb Ethernet Filter Interface

与MU9C8248相关文章

MBRS340T3G手册解读：参数说明、产品特性及应用
2024-06-28

8
PMOS管背靠背连接：串联还是并联？
2024-06-28

7
高压电解电容的分类与选型策略
2024-06-28

8
数码管：基本概念、分类、技术发展及市场趋势
2024-06-27

14

产品中心

服务支持

精选活动

关于我们

帮助中心

MU9C8248

MU9C8248 技术参数

MU9C8248 数据手册

与MU9C8248相关器件

与MU9C8248相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

MU9C8248

MU9C8248 技术参数

MU9C8248 数据手册

与MU9C8248相关器件

与MU9C8248相关文章

您还可以找

您在本页遇到什么问题？