Maxim > Products > T/E Carrier and Packetized Communications > DS26556

DS26556

4-Port Cell/Packet Over T1/E1/J1 Transceiver

4-Port Cell/Packet Over T1/E1/J1 Single-Chip Transceiver

Overview

Technical Documents

Ordering Info

Status

Active: In Production.

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.

Data Sheet

Download	Rev 2	(PDF, 2.1MB)
E-Mail

Errata DS26556 26556A1.pdf

Key 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/Uses

Add/Drop Multiplexers
Automated Teller Machines
Central Office Equipment
Customer-Premise Equipment
DSLAMs
IMA
PBXs
Routers
Switches
VoIP
WAN Interface

Key Specifications:

T/E Carrier & Packetized Products

Part Number

Transmission Standard

Functions

Channels

In-to-Out Clocks
(MHz)

V_SUPPLY
(V)

Package/Pins

Smallest Available Pckg.
(mm²)

Budgetary Price

max w/pins

See Notes

DS26556

T1/E1/J1

Framer + LIU

External Master Clock can be a multiple of 1.544 or 2.048

3.3

CSBGA/256

289

$45.32 @1k

See All T/E Carrier & Packetized Products (100)

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Diagram

Block Diagram

More Information

New Product Press Release

[ 2005-02-15 ]

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Information Index

Overview		Technical Documents		Ordering Info		Related Products
Description Key Features Applications/Uses Key Specifications Diagram Notes and Comments		Data Sheet Errata Application Notes Evaluation Kits Product Guides Reliability Reports Software/Models		Price and Availability Samples Buy Online Package Information Lead-Free Information		Similar Products by Function Similar Products by Application Evaluation Kits Products with Similar Part Numbers Products Used With This

Rev 2; 2007-12-17
This page last modified: 2009-10-07