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参数资料
| 型号： | ZL50408GDG2 |
| 厂商： | CONEXANT SYSTEMS |
| 元件分类： | 网络接口 |
| 英文描述： | DATACOM, LAN SWITCHING CIRCUIT, PBGA208 |
| 封装： | 17 X 17 MM, 1.40 MM HEIGHT, LEAD FREE, MO-192, LBGA-208 |
| 文件页数： | 68/144页 |
| 文件大小： | 1779K |
| 代理商： | ZL50408GDG2 |
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ZL50408
Data Sheet
3
Zarlink Semiconductor Inc.
Supports IEEE 802.3ad link aggregation
Eight (8) groups of up to 8 ports per group
Allows trunking of ports located on cascaded chip
Supports load sharing among trunk ports based on:
- Source port
- Source and/or destination MAC address
Traffic Mirroring
Physical port based (RMII enabled ports only)
Source or destination MAC address based
MAC address pair based
Supports module hot swap on all ports
Network Management Support
Built-in RMON MIB counters
Description
The ZL50408 is a low density, low cost, high performance, non-blocking Ethernet switch chip. A single chip
provides 8 ports at 10/100 Mbps, 1 uplink port at 10/100/1000 Mbps, and a CPU interface for managed, lightly
managed and unmanaged switch applications. The chip supports up to 4 K MAC addresses and up to 4 K
tagged-based Virtual LANs (VLANs).
With strict priority and/or WFQ transmission scheduling and WRED dropping schemes, the ZL50408 provides
powerful QoS functions for various multimedia and mission-critical applications. The chip provides 2 transmission
priorities (4 priorities for uplink port) and 2 levels of dropping precedence. Each packet is assigned a transmission
priority and dropping precedence based on the VLAN priority field in a VLAN tagged frame, or the DS/TOS field, or
the UDP/TCP logical port fields in IP packets. The ZL50408 recognizes a total of 16 UDP/TCP logical ports, 8
hard-wired and 8 programmable (including one programmable range).
The ZL50408 provides the ability to monitor a link, detect a simple link failure, and provide notification of the failure
to the CPU. The CPU can then failover that link to an alternate link.
The ZL50408 supports up to 8 groups of port trunking/load sharing. Each group can contain up to 8 ports. Port
trunking/load sharing can be used to group ports between interlinked switches to increase the effective network
bandwidth.
In half-duplex mode, all ports support backpressure flow control, to minimize the risk of losing data during long
activity bursts. In full-duplex mode, IEEE 802.3x flow control is provided. The ZL50408 also supports a per-system
option to enable flow control for best effort frames, even on QoS-enabled ports.
Statistical information for SNMP and the Remote Monitoring Management Information Base (RMON MIB) are
collected independently for all ports. Access to these statistical counters/registers is provided via the CPU interface.
SNMP Management frames can be received and transmitted via the CPU interface, creating a complete network
management solution.
The ZL50408 is fabricated using 0.18 micron technology. The ZL50408 is packaged in a 208-pin Ball Grid Array
package.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ZL50409 | 制造商:ZARLINK 制造商全称:Zarlink Semiconductor Inc 功能描述:Managed 9-Port 10/100M Ethernet Switch |
| ZL50409GDC | 制造商:ZARLINK 制造商全称:Zarlink Semiconductor Inc 功能描述:Managed 9-Port 10/100M Ethernet Switch |
| ZL50409GDC1 | 制造商:Microsemi Corporation 功能描述: |
| ZL50410 | 制造商:ZARLINK 制造商全称:Zarlink Semiconductor Inc 功能描述:Managed 8-Port 10/100M + 1-Port 10/100/1000M Ethernet Switch |
| ZL50410GDC208 | 制造商:ZARLINK 制造商全称:Zarlink Semiconductor Inc 功能描述:Managed 8-Port 10/100M + 1-Port 10/100/1000M Ethernet Switch |
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