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TNETE2004PBE Datasheet(PDF) 1 Page - Texas Instruments |
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TNETE2004PBE Datasheet(HTML) 1 Page - Texas Instruments |
1 / 47 page TNETE2004 MDIO-MANAGED QuadPHY FOUR 10BASE-T PHYSICAL-LAYER INTERFACES SPWS023D – OCTOBER 1996 – REVISED OCTOBER 1997 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Single-Chip Multi-PHY Solution: – Four 10BASE-T Physical-Layer (PHY) Interfaces in One Package Minimizing PCB Footprint for Internetworking Applications D Each PHY is Half-Duplex and Full-Duplex Compliant – Full-Duplex: Independent Transmit and Receive Channels for Operation at 20-Mbit/s Aggregate D Compliant With IEEE Std 802.3 10BASE-T Specification D Management Data Input/Output (MDIO) Serial Compliant With IEEE Std 802.3 Media-Independent Interface (MII) D Integrated Filters on Both Receive and Transmit Circuits – No External Filters Are Required – Meets IEEE Std 802.3 (Section 14.3) Electrical Requirements D Implements IEEE Std 802.3u Auto-Negotiation to Establish the Highest Common Protocol D DSP-Based Digital Phase-Locked Loop (PLL) D Interrupt Feature on MDIO D Loopback Mode for Test Operations D Integrated Manchester Encoding/Decoding D Receive-Clock Regeneration for All Input Channels D Smart Squelch D Transmit Pulse Shaping D Collision Detection D Jabber Detection D Link-Pulse Detection D Auto-Polarity Control D Simple Connection for LED Status Indicators D Sufficient Current Drive to Directly Connect LED Status Indicators D CMOS Technology Enables Low Power Consumption D Power-Down Mode D IEEE Std 1149.1 (JTAG)† Test-Access Port (TAP) D Each Serial Network Interface (SNI) Signal Is User Programmable D Package Options Include 120-Pin Plastic Quad Flat Package (PBE) and 128-Pin Plastic Quad Flat Package (PAC) description The TNETE2004 QuadPHY interface device is a single-chip, multi-PHY (four 10BASE-T devices), high-performance solution for designers of 10BASE-T networking systems. The highly integrated TNETE2004 includes a user-programmable SNI signal for each PHY. Each PHY interface on the device provides Manchester encoding/decoding of data via unshielded twisted-pair (UTP) balanced cable through simple isolation transformers requiring no external filtering. Additional TNETE2004 features are smart squelch, jabber detection, auto-polarity correction, transmission wave shaping, and anti-alias filtering capabilities. Each PHY interface on the TNETE2004 is individually addressable within the TNETE2004 via the MDIO. 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. Copyright © 1997, Texas Instruments Incorporated 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. † IEEE Std 1149.1-1990, IEEE Standard Test-Access Port and Boundary-Scan Architecture |
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