TNETX3270 datasheet(1/66 Pages) TI1

部件名	TNETX3270

功能描述	ThunderSWITCHE 24/3 ETHERNETE SWITCH WITH 24 10-MBIT/S PORTS AND 3 10-/100-MBIT/S PORTS

PDF	66 Pages

Scroll/Zoom	100%

制造商	TI1 [Texas Instruments]

网页	http://www.ti.com

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TNETX3270

ThunderSWITCH

™ 24/3 ETHERNET™ SWITCH

WITH 24 10-MBIT/S PORTS AND 3 10-/100-MBIT/S PORTS

SPWS043B – NOVEMBER 1997 – REVISED APRIL 1999

1

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

D Port Configurations:

Twenty-Four 10-Mbit/s Ports

– Ports Arranged in Three Groups of Eight

Ports in a Multiplexed Interface

– Direct Multiplexer Interface to

TNETE2008

– Full and Half Duplex

– Half-Duplex Collision-Based Flow

Control

– Full-Duplex IEEE Std 802.3x Flow Control

– Interoperable Support for IEEE

Std 802.1Q VLAN

– Speed, Duplex, and Pause

Autonegotiation With Physical Layer

(PHY)

Three 10-/100-Mbit/s Ports

– Direct Interface to TNETE2101

– Full and Half Duplex

– Half-Duplex Collision-Based Flow

Control

– Full-Duplex IEEE Std 802.3x Flow Control

– Interoperable Support for IEEE

Std 802.1Q VLAN

– Pretagging Support

D Port Trunking and Load Sharing

D LED Indication of Port Status

D SDRAM Interface

– Direct Interface to 8-Bit/Word and

16-Bit/Word, 16-Mbit, and 64-Mbit

SDRAMs

– 32-Bit-Wide Data Bus

– Up to 32 Mbytes Supported

– 83.33-MHz SDRAM Clock

– 12-ns (–12) SDRAMs Required

D Remote Monitoring (RMON) Support –

Groups 1, 2, 3, and 9

D Direct I/O (DIO) Management Interface

– Eight Bits Wide

– CPU Access to Statistics, Registers, and

Management Information Bases (MIBs)

– Internal Network Management Port

– Forwards Spanning-Tree Packets to CPU

– Serial Media-Independent Interface (MII)

for PHY Control

D EEPROM Interface for Autoconfiguration

(No CPU Required for Nonmanaged Switch)

D Internal Address-Lookup/Frame-Routing

Engine

– Interoperable Support for IEEE

Std 802.1Q VLAN

– Supports IEEE Std 802.1D Spanning Tree

– Thirty-Two Assignable Virtual LANs

(VLANs)

– Multiple Forwarding Modes

– 2K Total Addresses Supported

– Port Mirroring

D IEEE Std 1149.1 (JTAG) Interface (3.3-V

Signals)

D 2.5-V Process With 3.3-V-Drive I/O

D Packaged in 240-Terminal Plastic Quad

Flatpack

Eight Ports

(16–23)

10 Mbit/s

Controller (MAC)

TAP

(JTAG)

Address

Compare

Statistics

Storage

MIB

Three Ports

(24–26)

10/100 Mbit/s

Network

Statistics

Logic

LED

Interface

CPU

Interface

SDRAM

Controller

Controller (MAC)

MII

Eight Ports

(08–15)

10 Mbit/s

Eight Ports

(00–07)

10 Mbit/s

Queue

Manager

EEPROM

Interface

Controller (MAC)

Copyright

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

TI and ThunderSWITCH are trademarks of Texas Instruments Incorporated.

Ethernet is a trademark of Xerox Corporation.

Secure Fast Switching is a trademark of Cabletron Systems, Inc.

Port-trunking and load-sharing algorithms were contributed by Cabletron Systems, Inc. and are derived from, and compatible with, Secure Fast

Switching

™.

类似零件编号 - TNETX3270

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