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DS2182A

T1 Line Monitor Chip

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Status

Part Number	Status	Replacement	Explanation
DS2182A	This product is Not Recommended for New Designs.	DS26521	Please upgrade to the DS26521 for newer technology, smaller package, lower cost, and lower power consumption.

Description

The DS2182A T1 line monitor chip is a monolithic CMOS device designed to monitor real-time performance on T1 lines. The DS2182A frames to the data on the line, counts errors, and supplies detailed information about the status and condition of the line. Large on-board counters allow the accumulation of errors for extended periods, which permits a single CPU to monitor many T1 lines. Output clocks that are synchronized to the incoming data stream are provided for easy extraction of S-bits, FDL bits, signaling bits, and channel data. The DS2182A meets the requirements of ANSI T1.231.

Data Sheet

Download	Rev 1	(PDF, 504kB)
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Key Features

Performs Framing and Monitoring Functions
Supports Superframe and Extended Superframe Formats
Four On-Board Error Counters:
- 16-Bit Bipolar Violation
- 8-Bit CRC
- 8-Bit OOF
- 8-Bit Frame Bit Error
Indication of the Following:
- Yellow and Blue Alarms
- Incoming B8ZS Codewords
- 8 and 16 Zero Strings
- Change-of-Frame Alignment
- Loss of Sync
- Carrier Loss
Simple Serial Interface Used for Configuration, Control, and Status Monitoring
Burst Mode Allows Quick Access to Counters for Status Updates
Automatic Counter Reset Feature
Single 5V Supply; Low-Power CMOS Technology
Available in 28-Pin DIP and 28-Pin PLCC
Upward-Compatible from the Original DS2182
The DS2182A includes the following changes from the original DS2182:
- Ability to Count Excessive Zeros
- Severely Errored-Framing-Event Indication
- Updated AIS Detection
- Updated RCL Detection
- AIS and RCL Alarm Clear Indications

Diagram

Block Diagram

Reliability Reports

Reliability Report:

DS2182A.pdf

Software/Models

none

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Tape and Reel

Sample

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Notes:

Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
* Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

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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; 2003-12-01
This page last modified: 2009-10-22