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DP83903, DP83905, DP83905-AVQB

Table of contents:
Info of DP83903
Info of DP83905
Info of DP83905-AVQB

DP83903, DP83905, DP83905-AVQB Selling Leads, Datasheet

MFG:5600 Package Cooled:QFP160 D/C:N/A

DP83903, DP83905, DP83905-AVQB Datasheet download

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Part Number: DP83903

MFG: 5600

Package Cooled: QFP160

D/C: N/A

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DP83905 General Description

The AT/LANTIC AT Local Area Network Twisted-pair Interface Controller is a CMOS VLSI device designed for easy implementation of CSMA/CD local area networks. Unique to the AT/LANTIC is the integration of the entire bus interface for PC-ATÉ ISA (Industry Standard Architecture) bus based systems. Hardware and software selectable options allow the AT/LANTIC's bus interface to be configured software compatible to either an NE2000 or Ethercard PLUS16TM. All bus drivers and control logic are integrated to reduce board cost and area.

Supported network interfaces include 10BASE5 or 10BASE2 Ethernet via an external transciever connected to its AUI port, and Twisted-pair Ethernet (10BASE-T) using the on-board transceiver. The AT/LANTIC provides the Ethernet Media Access Control (MAC), Encode-Decode (ENDEC) with an AUI interface, and 10BASE-T transceiver functions in accordance with the IEEE 802.3 standards.

The AT/LANTIC's integrated 10BASE-T transceiver fully complies with the IEEE standard.This functional block incorporates the receiver, transmitter, collision, heartbeat, Ioopback, jabber, and link integrity blocks as defined in the standard. The transceiver when combined with equalization resistors, transmit/receive filters, and pulse transformers provides a complete physical interface from the AT/LANTIC Controller's ENDEC module and the twisted pair medium.

DP83905 Maximum Ratings

Supply Voltage (VCC) b0..............................................5V to a7.0V
Storage Temperature (TSTG) b65§C to a............................150°C
Package Power Dissipation (PD)...................................... 800 mW
Lead Temperature (TL) ......................................................260°C
(Soldering, 10 seconds)

DP83905 Features

· Controller and integrated bus interface solution for IEEE
802.3, 10BASE5, 10BASE2, and 10BASE-T
· Software compatible with NovellÉ's NE2000/Plus industry
standard Ethernet Adapters
· Selectable buffer memory size
· No external bus logic or drivers
· Integrated controller, ENDEC, and transceiver
· Full IEEE 802.3 AUI interface
· Single 5V supply
10BASE-T TRANSCEIVER MODULE:
· Integrates transceiver functionality:
· Transmitter and receiver functions
· Collision detect, heartbeat and jabber
· Selectable link integrity test or link disable
· Polarity Detection/Correction
ENDEC MODULE:
· 10 Mbit/s Manchester encoding/decoding
· Squelch on receive and collision pairs
MAC/CONTROLLER MODULE:
· Software compatible with DP8390, DP83901, DP83902
· Efficient buffer management implementation

DP83905 Connection Diagram

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