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MVTX2601

Features: • ntegrated Single-Chip 10/100 Mbps Ethernet Switch• 24 10/100 Mbps Autosensing, Fast Ethernet Ports with RMII or Serial Interface (7WS). Each port can independently use one of the two interfaces• Serial interface• Supports one Frame Buffer Memory domain with SRAM...

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SeekIC No. : 004431455 Detail

MVTX2601: Features: • ntegrated Single-Chip 10/100 Mbps Ethernet Switch• 24 10/100 Mbps Autosensing, Fast Ethernet Ports with RMII or Serial Interface (7WS). Each port can independently use one of...

MVTX2601 Data Sheet

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Part Number:
MVTX2601
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• ntegrated Single-Chip 10/100 Mbps Ethernet Switch
• 24 10/100 Mbps Autosensing, Fast Ethernet Ports with RMII or Serial Interface (7WS). Each port can independently use one of the two interfaces
• Serial interface
• Supports one Frame Buffer Memory domain with SRAM at 100 MHz
• Supports SRAM domain memory size 1 MB or 2 MB
• Applies centralized shared memory architecture
• Up to 64 K MAC addresses
• Maximum throughput is 2.4 Gbps non-blocking
• High performance packet forwarding (7.143 M packets per second) at full wire speed
• Full Duplex Ethernet IEEE 802.3x Flow Control
• Backpressure flow control for Half Duplex ports
• Supports Ethernet multicasting and broadcasting and flooding control
• Supports per-system option to enable flow control for best effort frames even on QoSenabled ports
• Load sharing among trunked ports can be based on source MAC and/or destination MAC
• Port Mirroring to a dedicated mirroring port or port 23 in unmanaged mode
• Full set of LED signals provided by a serial interface
• 2 port trunking groups with up to 4 10/100 ports per group
• Built-In Self Test for internal and external SRAM
• Traffic Classification
• 4 transmission priorities for Fast Ethernet ports with 2 dropping levels
• Classification based on:
    - Port based priority
    -VLAN Priority field in VLAN tagged frame
    - DS/TOS field in IP packet
    - UDP/TCP logical ports: 8 hard-wired and 8 programmable ports, including one programmable range
• The precedence of the above classifications is programmable
• QoS Support
• Supports IEEE 802.1p/Q Quality of Service with 4 transmission priority queues with delay bounded, strict priority, and WFQ service disciplines
• Provides 2 levels of dropping precedence with WRED mechanism
• User controls the WRED thresholds
• Buffer management: per class and per port buffer reservations
• Port-based priority: VLAN priority in a tagged frame can be overwritten by the priority of Port VLAN ID
• Hardware auto-negotiation through serial management interface (MDIO) for Ethernet ports
• Built-in reset logic triggered by system malfunction
• I2C EEPROM for configuration


Specifications

Storage Temperature.................................................-65 to +150
Operating Temperature............................................... -40 to +85
Maximum Junction Temperature .............................................+125
Supply Voltage VCC with Respect to VSS................. +3.0 V to +3.6 V
Supply Voltage VDD with Respect to VSS .............+2.38 V to +2.75 V
Voltage on Input Pins ....................................-0.5 V to (VCC + 3.3 V)


Description

The MVTX2601 is a high density, low cost, high performance, non-blocking Ethernet switch chip. A single chip provides 24 ports at 10/100 Mbps, and a CPU interface for managed and unmanaged switch applications. The chip supports up to 64 K MAC addresses. The centralized shared memory architecture permits a very high performance packet forwarding rate at up to 3.57 1 M packets per second at full wire speed. The chip is optimized to provide low-cost, high-performance workgroup switching.

The Frame Buffer Memory domains utilize cost-effective, high-performance synchronous SRAM with aggregate bandwidth of 6.4 Gbps to support full wire speed on all ports simultaneously.

With delay bounded, strict priority, and/or WFQ transmission scheduling, and WRED dropping schemes, the MVTX2601 provides powerful QoS functions for various multimedia and mission-critical applications. The chip provides 4 transmission priorities and two 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 MVTX2601 recognizes a total of 16 UDP/TCP logical ports, 8 hard-wired and 8 programmable (including one programmable range).

The MVTX2601 supports two groups of port trunking/load sharing. Each 10/100 group can contain up to 4 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 MVTX2601 also supports a persystem option to enable flow control for best effort frames, even on QoS-enabled ports.

The MVTX2601 is fabricated using 0.25 micron technology. Inputs, however, are 3.3 V tolerant, and the outputs are capable of directly interfacing to LVTTL levels. The MVTX2601 is packaged in a 553-pin Ball Grid Array package.




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