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TMS38054 Datasheet RING INTERFACE

Manufacturer: Texas Instruments

General Description

NC – No internal connection The TMS38054 ring interface device and its associated external passive components form a full-duplex electrical interface to the token ring.

Coupling the TMS38054 with one of the TMS380 family of commprocessors forms a highly integrated token-ring LAN adapter compatible with the ISO/IEC IEEE Std 802.5:1992 token-ring access method and physical-layer specifications.

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.

Overview

TMS38054 RING INTERFACE DEVICE SPWS008C – APRIL 1991 – REVISED MAY 1997 D Facilitates Connection of the TI380C25, TI380C27, or TMS380C26 to a Token-Ring Network™ D Compatible With Electrical Interface of ISO/IEC IEEE Std 802.5:1992 Token-Ring Access Method and Physical-Layer Specifications D Constant-Gain Phase Detector for Unshielded Twisted Pair (UTP) Applications D Phase-Locked Loop (PLL) for Clock Generation and Data Signal Recovery D Independent Transmit and Receive Channels D Phantom Drive for Physical Insertion Onto Ring D 16-Mbps and 4-Mbps Token-Ring Data Rates D Integrated Receiver Frequency Equalization D Loop Back (Wrap Mode) for Self-Test Diagnostics D On-Chip Watchdog Timer D ESD Protection Meets 1.