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21140A Dataheets PDF



Part Number 21140A
Manufacturers Digital Equipment
Logo Digital Equipment
Description PCI Fast Ethernet LAN Controller
Datasheet 21140A Datasheet21140A Datasheet (PDF)

DIGITAL Semiconductor 21140A PCI Fast Ethernet LAN Controller Data Sheet Order Number: EC–QN7PF–TE Revision/Update Information: . Hardware Version: This is a revised document. It supersedes the DIGITAL Semiconductor 21140A PCI Fast Ethernet LAN Controller Data Sheet, EC–QN7PE–TE. This document describes the 21140–AD, the 21140–AE, and the 21140–AF. Digital Equipment Corporation Maynard, Massachusetts http://www.digital.com/semiconductor Important Notice As of May 17, 1998, Digital Equipment.

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Document
DIGITAL Semiconductor 21140A PCI Fast Ethernet LAN Controller Data Sheet Order Number: EC–QN7PF–TE Revision/Update Information: . Hardware Version: This is a revised document. It supersedes the DIGITAL Semiconductor 21140A PCI Fast Ethernet LAN Controller Data Sheet, EC–QN7PE–TE. This document describes the 21140–AD, the 21140–AE, and the 21140–AF. Digital Equipment Corporation Maynard, Massachusetts http://www.digital.com/semiconductor Important Notice As of May 17, 1998, Digital Equipment Corporation’s StrongARM, PCI Bridge, and Networking component businesses, along with the chip fabrication facility in Hudson, Massachusetts, were acquired by Intel Corporation and transferred to Intel Massachusetts, Inc. As a result of this transaction, certain references to web sites, telephone numbers, and fax numbers have changed in the documentation. This information will be updated in the next version of this manual. Copies of documents that have an ordering number and are referenced in this document, or other Intel literature may be obtained by calling 1-800-332-2717 or by visiting Intel’s website for developers at: http://developer.intel.com The Intel Massachusetts Customer Technology Center continues to service your StrongARM Product, Bridge Product, and Network Product technical inquiries. Please use the following information lines for support: For documentation and general information: Intel Massachusetts Information Line United States: Outside United States: Electronic mail address: 1–800–332–2717 1–303-675-2148 [email protected] For technical support: Intel Massachusetts Customer Technology Center Phone (U.S. and international): 1–978–568–7474 Fax: 1–978–568–6698 Electronic mail address: [email protected] December 1997 While DIGITAL believes the information included in this publication is correct as of the date of publication, it is subject to change without notice. This data sheet, including associated product update information, defines a particular variant of this product. Please read the Support, Products, and Documentation section in this document to determine how to obtain current product update and errata information. Digital Equipment Corporation makes no representations that the use of its products in the manner described in this publication will not infringe on existing or future patent rights, nor do the descriptions contained in this publication imply the granting of licenses to make, use, or sell equipment or software in accordance with the description. ©Digital Equipment Corporation 1997. All rights reserved. Printed in U.S.A. DIGITAL, DIGITAL Semiconductor, and the DIGITAL logo are trademarks of Digital Equipment Corporation. DIGITAL Semiconductor is a Digital Equipment Corporation business. IEEE is a registered trademark of The Institute of Electrical and Electronic Engineers, Inc. MicroWire is a registered trademark of BankAmerica Corporation. All other trademarks and registered trademarks are the property of their respective owners. Contents 1 21140A Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 Microarchitecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1 Signal Reference Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2 Pin Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3 Signal Grouping by Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical and Environmental Specifications . . . . . . . . . . . . . . . . . . 3.1 3.2 3.3 3.4 3.4.1 3.4.2 3.4.3 3.4.4 3.5 3.6 3.6.1 3.6.2 3.6.3 3.6.4 3.7 3.7.1 3.7.2 3.7.3 3.7.4 3.7.5 3.8 3.8.1 3.8.2 3.9 3.10 3.11 3.11.1 3.11.2 Voltage Limit Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Temperature Limit Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Supply Current and Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PCI Electrical Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PCI I/O Voltage Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PCI Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PCI Clock Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Other PCI Signals . . . . . ..


QD14XL20 21140A 21140A


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