128 x 128 TSI, 4 I/O at 2Mbps, Variable Delay, 5.0V

A ST-BUS® compatible digital switch controlled by a
microprocessor which can handle from 128 x 128 to 32K x 32K inputs to multiple outputs.

 

Features

  • 128 x 128 channel non-blocking switch
  • Serial Telecom Bus Compatible (ST-BUS®)
  • 4 RX inputs—32 channels at 64 Kbit/s per serial line
  • 4 TX output—32 channels at 64 Kbit/s per serial line
  • Three-state serial outputs
  • Microprocessor Interface (8-bit data bus)
  • 5V Power Supply
  • Available in 44-pin Plastic Leaded Chip Carrier (PLCC), 40-pin Plastic Dip (P-DIP) and 44-pin Plastic Quad         Flatpack (PQFP)
  • Operating Temperature Range -40°C to +85°C

Product Options

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Pb (Lead) Free Carrier Type Buy Sample
728981DBG Active DBG44 PQFP 44 Yes Tray Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
728981 Data Sheet Datasheet PDF 108 KB Jul 15, 2014
Application Notes & White Papers
AN-852 Application Considerations for Time-Slot Interchange (TSI) Products Application Note PDF 119 KB May 14, 2014
PCNs & PDNs
PDN# T-05-02, TSI, Selected Package Obsolescence Product Delete Notice PDF 68 KB Apr 5, 2005
PCN# G-0203-05 Mold Compound Product Change Notice PDF 40 KB Apr 15, 2002
PCN# : A-0610-02 ASAT China as Alternate Facility for CABGA/CVBGA/FPBGA/TQFP/PQFP Product Change Notice PDF 252 KB Oct 18, 2006
PCN# A-0607-06 MMT Thailand as Alternate Assembly Facility for PLCC, SOIC 150mil/300mil Product Change Notice PDF 223 KB Oct 5, 2006
PCN#: A-0412-04 - To comply with Pb-free labels - Green Products Product Change Notice PDF 80 KB Dec 13, 2004
PCN#: A-0410-02, Change IDT marking logo with new IDT gridless w Product Change Notice PDF 24 KB Nov 13, 2012
PCN#: A-0501-01, New m/c DMC-2000 and d/a 8390A for PDIP pkgs Product Change Notice PDF 42 KB Jan 24, 2005
PCN# G0106-01, Moisture Sensitive Label Change Product Change Notice PDF 274 KB Jun 10, 2001
PCN#: A-0310-01, Green Products Product Change Notice PDF 26 KB Oct 9, 2003
PCN#: A-0408-01Rev.1, To qualify new mold compound and die attac Product Change Notice PDF 523 KB Oct 21, 2004
PCN# G9911-05, To qualify low alpha mold compound. Product Change Notice PDF 44 KB Nov 17, 1999
PCN#: TB-0512-01 Reel Color Changed from Blue to Black Product Change Notice PDF 729 KB Dec 15, 2005
PCN# G-0206-08, Orientation of square PQFP & TQFP Product Change Notice PDF 150 KB Jun 16, 2002
PCN#: A-0309-04, new mold compound G600 material Product Change Notice PDF 134 KB Oct 6, 2003
Other
The IDT Communications Products Advantage Overview PDF 2.54 MB Feb 13, 2017

Software & Tools

Title Other Languages Type Format File Size Date
728981 IBIS Model - IBIS ZIP 15 KB Feb 7, 2002