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UPD98404 - ADVANCED ATM SONET FRAMER

Datasheet Summary

Description

connecting PCs or workstations to an ATM network and can also be used in ATM hubs and ATM switches.

Features

  • On-chip clock recovery/clock synthesis functions.
  • Provides TC sub-layer function for the ATM protocol’s physical layer.
  • Supported frame formats include 155 Mbps SONET STS-3c/SDH STM-1.
  • Conforms to ATM Forum UTOPIA interface Level 2 V1.0 (af-phy-0039.000 June 1995) Supports three UTOPIA interfaces:.
  • Single PHY octet-level handshaking.
  • Single PHY cell-level handshaking.
  • Multi PHY mode.
  • Selectable to drop/bypass unassigned cel.

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Datasheet preview – UPD98404

Datasheet Details

Part number UPD98404
Manufacturer NEC
File Size 186.85 KB
Description ADVANCED ATM SONET FRAMER
Datasheet download datasheet UPD98404 Datasheet
Additional preview pages of the UPD98404 datasheet.

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Full PDF Text Transcription

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DATA SHEET MOS INTEGRATED CIRCUIT µPD98404 ADVANCED ATM SONET FRAMER DESCRIPTION The µPD98404 NEASCOT-P30TM is an LSI for ATM applications, which can be used in ATM adapter boards for connecting PCs or workstations to an ATM network and can also be used in ATM hubs and ATM switches. This LSI provides the TC sub-layer functions in the SONET/SDH-base physical layer within the ATM protocol defined by the ATM Forum’s UNI3.1 recommendations. This product’s main functions include transmission functions such as mapping of ATM cells sent from the ATM layer to the payload field in a 155 Mbps SONET STS-3c/SDH STM-1 frame and transmission to PMD (Physical Media Dependent) sub-layer in the physical layer.
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