Maxim > Products > T/E Carrier and Packetized Communications > DS21Q58

DS21Q58

E1 Quad Transceiver

Overview

Technical Documents

Ordering Info

Status

Part Number	Status
DS21Q58	Active: In Production. But some versions of the family are subject to Last Time Buy. See Ordering Information.

Description

The DS21Q58 E1 quad transceiver contains all the necessary functions for connecting to four E1 lines. The DS21Q58 is a direct replacement for the DS21Q50, with the addition of signaling access and improved interrupt handling. It is composed of a line interface unit (LIU), framer, and a TDM backplane interface, and is controlled through an 8-bit parallel port configured for Intel or Motorola bus operations or serial port operation.

Data Sheet

Download	Rev 1	(PDF, 656kB)
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Key Features

Four Complete E1 (CEPT) PCM-30/ISDN-PRI Transceivers
Pin Compatible with the DS21Q50 and DS21Q59
Short-Haul Line Interfaces
32-Bit or 128-Bit Crystal-Less Jitter Attenuator
Frames to FAS, CAS, and CRC4 Formats
CAS/CCS Signaling Support
4MHz/8MHz/16MHz Clock Synthesizer
Flexible System Clock with Automatic Source Switching on Loss-of-Clock Source
Two-Frame Elastic-Store Slip Buffer on the Receive Side
Interleaving PCM Bus Operation Up to 16.384MHz
Configurable Parallel and Serial Port Operation
Detects and Generates Remote and AIS Alarms
Fully Independent Transmit and Receive Functionality
Four Separate Loopback Functions
PRBS Generation/Detection/Error Counting
3.3V Low-Power CMOS
Large Counters for Bipolar and Code Violations, CRC4 Codeword Errors, FAS Word Errors, and E Bits
Eight Additional User-Configurable Output Pins
100-Pin (14mm x 14mm) LQFP Package

Applications/Uses

Add/Drop Multiplexers
Central Office Equipment
Customer Premise Equipment
DSLAM Backplane
IMA
Line Cards
PBXs
Routers/Switches
Routers/Switches
Timing Systems
WAN Interface

Key Specifications:

T/E Carrier & Packetized Products

Part Number

Transmission Standard

Functions

Channels

V_SUPPLY
(V)

Package/Pins

Smallest Available Pckg.
(mm²)

Budgetary Price

max w/pins

See Notes

DS21Q58

Framer + LIU

3.3

LQFP/100

262.4

$25.38 @1k

See All T/E Carrier & Packetized Products (99)

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.

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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 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 1; 2004-01-21
This page last modified: 2007-08-10