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AM79C985, AM79C98-5JC, AM79C985JCT

Table of contents:
Info of AM79C985
Info of AM79C98-5JC
Info of AM79C985JCT

AM79C985, AM79C98-5JC, AM79C985JCT Selling Leads, Datasheet

MFG:385 Package Cooled:QFP D/C:AMD

AM79C985, AM79C98-5JC, AM79C985JCT Picture

AM79C985, AM79C98-5JC, AM79C985JCT Datasheet download

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Part Number: AM79C985

MFG: 385

Package Cooled: QFP

D/C: AMD

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AM79C985 General Description

The enhanced Integrated Multiport Repeater Plus (eIMR+) device is a VLSI integrated circuit that provides a system-level solution to designing managed multiport repeaters. The device integrates the repeater functions specified in Section 9 of the IEEE 802.3 standard and Twisted Pair Transceiver functions complying with the 10BASE-T standard.

The eIMR+ device provides four Twisted Pair (TP) ports and one reversible AUI (RAUI) port for direct connection to a MAC. The total number of ports per repeater unit can be increased by connecting multiple eIMR+ devices through their expansion ports, hence, minimizing the total cost per repeater port.

The eIMR+ device also provides a connection to the Am79C987 HIMIB device. The HIMIB device monitors all the necessary counters, attributes, actions, and notifications specified by IEEE 802.3, Section 19 (Layer Management for 10 Megabit per second (Mbps) Baseband Repeaters). When the eIMR+ and HIMIB devices are used together as a chip set, they provide a cost-effective solution to the problem of designing 10BASE-T basic managed multiport repeaters.

The device is fabricated in CMOS technology and requires a single +5-V supply.

AM79C985 Maximum Ratings

Storage Temperature . . . . . . . . . 65 to +150
Ambient Temperature Under Bias . . . . 0 to +70
Supply Voltage referenced to
AV_SS or DV_SS (AV_DD, DV_DD) . . . . . 0.3 V to +6.0 V

AM79C985 Connection Diagram

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