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KSZ8842-PMBLAM PDF预览

KSZ8842-PMBLAM

更新时间: 2024-02-16 23:42:17
品牌 Logo 应用领域
麦瑞 - MICREL 电信集成电路开关PC局域网以太网
页数 文件大小 规格书
119页 955K
描述
2-Port Ethernet Switch with PCI Interface

KSZ8842-PMBLAM 技术参数

生命周期:Active包装说明:QFP,
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.33JESD-30 代码:S-PQFP-G128
功能数量:1端子数量:128
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
标称供电电压:3.3 V表面贴装:YES
电信集成电路类型:LAN SWITCHING CIRCUIT温度等级:COMMERCIAL
端子形式:GULL WING端子位置:QUAD
Base Number Matches:1

KSZ8842-PMBLAM 数据手册

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KSZ8842-PMQL/PMBL  
2-Port Ethernet Switch with PCI Interface  
Rev.1.5  
General Description  
The KSZ8842-series of 2-port switches includes PCI and  
non-PCI CPU interfaces. This datasheet describes the  
KSZ8842-PMQL/PMBL PCI CPU interface chips.  
KSZ8842-PMQL is PQFP package chip, KSZ8842-PMBL  
is LFBGA package chip. For information on the  
KSZ8842-MQL/MBL CPU non-PCI interface switches,  
refer to the KSZ8842-MQL/MBL datasheet.  
LinkMD®  
KSZ8842-PMQL/PMBL can run in half-duplex mode  
regardless of the application. The KSZ8842-PMQL/PMBL  
offers an extensive feature set that includes tag/port-  
based VLAN, quality of service (QoS) priority  
management, management information base (MIB)  
counters, and CPU control/data interfaces to effectively  
address Fast Ethernet applications.  
The KSZ8842-PMQL/PMBL is the industry’s first fully  
managed 2-port switch with a 32 bit/33MHz PCI  
processor interface. It is a proven, 4th generation,  
integrated Layer 2 switch that is compliant with the IEEE  
802.3u standard. An industrial temperature grade version  
of the KSZ8842-PMQL/PMBL, also can be ordered the  
KSZ8842-PMQLI/PMBL AM.  
The KSZ8842-PMQL/PMBL contains two 10/100  
transceivers with patented, mixed-signal, low-power  
technology three media access control (MAC) units, a  
direct memory access (DMA) channel, a high-speed,  
non-blocking, switch fabric, a dedicated 1K entry  
The KSZ8842-PMQL/PMBL can be configured as a  
switch or as a low-latency (<310 nanoseconds) repeater  
in latency-critical, embedded or industrial Ethernet  
applications. For industrial automation applications, the  
forwarding table, and an on-chip frame buffer memory  
.
Datasheets and support documentation can be found on  
Micrel’s web site at: www.micrel.com.  
Functional Diagram  
Figure 1. KSZ8842-PMQL/PMBL Functional Diagram  
LinkMD is a registered trademark of Micrel, Inc  
Magic Packet is a trademark of Advanced Micro Devices, Inc.  
Product/Application names used in this datasheet are for identification purposes only and may be trademarks of their respective companies.  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-100207-1.5  
October 2007  

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