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DS26556

Maxim Integrated Products
Part Number DS26556
Manufacturer Maxim Integrated Products
Description 4-Port Cell/Packet Over T1/E1/J1 Transceiver
Published Mar 30, 2005
Detailed Description DS26556 4-Port Cell/Packet Over T1/E1/J1 Transceiver www.maxim-ic.com GENERAL DESCRIPTION The DS26556 is a quad, softwa...
Datasheet PDF File DS26556 PDF File

DS26556
DS26556

Overview
DS26556 4-Port Cell/Packet Over T1/E1/J1 Transceiver www.
maxim-ic.
com GENERAL DESCRIPTION The DS26556 is a quad, software-selectable T1, E1, or J1 transceiver with a cell/packet/TDM interface.
It is composed of four framer/formatters + LIUs, and a UTOPIA (cell), POS-PHY™ (packet), and TDM backplane interface.
Each framer has an HDLC controller that can be mapped to any DS0 or FDL (T1)/Sa (E1) bit.
The DS26556 also includes full-featured BERT devices per port, and an internal clock adapter useful for creating synchronous, high-frequency backplane timing.
The DS26556 is controlled through an 8-bit parallel port that can be configured for nonmultiplexed Intel or Motorola operation.
FEATURES § § § § § § § § § Four Independent, Full-Featured T1/E1/J1 Transceivers UTOPIA 2 and 3 Cell Interface POS-PHY 2 and 3 Packet Interface TDM Backplane Supports TDM Bus Rates from 1.
544MHz to 16.
384MHz Alarm Detection and Insertion Full-Featured BERT for Each Port AMI, B8ZS, HDB3, NRZ Line Coding Transmit Synchronizer BOC Message Controller (T1) One HDLC Controller per Framer Performance Monitor Counters RAI-CI and AIS-CI Support Internal Clock Generator (CLAD) Supplies 16.
384MHz, 8.
192MHz, 4.
096MHz, or 2.
048MHz JTAG Test Port Single 3.
3V Supply with 5V Tolerant Inputs 17mm x 17mm, 256-Pin BGA (1.
00mm Pitch) APPLICATIONS Routers Add-Drop Multiplexers DSLAMs PBXs Switches Central Office Equipment POS-PHY and POS-PHY Level 3 are trademarks of PMC-Sierra, Inc.
IMA ATM WAN Interface Customer-Premise Equipment § § § § § § § ORDERING INFORMATION PART DS26556 DS26556N TEMP RANGE 0°C to +70°C -40°C to +85°C PINPACKAGE 256 BGA 256 BGA Note: Some revisions of this device may incorporate deviations from published specifications known as errata.
Multiple revisions of any device may be simultaneously available through various sales channels.
For information about device errata, click here: www.
maxim-ic.
com/errata.
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