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SN74LVT8986 - TAP TRANSCEIVERS

Description

The 'LVT8986 linking addressable scan ports (LASPs) are members of the TI family of IEEE Std 1149.1 (JTAG) scan-support products.

The scan-support product family facilitates testing of fully boundary-scannable devices.

Features

  • Members of the Texas Instruments (TI) Family of JTAG Scan-Support Products.
  • Extend Scan Access From Board Level to Higher Level of System Integration.
  • Three IEEE Std 1149.1-Compatible Configurable Secondary Scan Paths to One Primary Scan Path.
  • Multiple Devices Can Be Cascaded to Link 24 Secondary Scan Paths to One Primary Scan Path.
  • Simple (Linking Shadow) Protocol Is Used to Connect the Primary Test Access Port (TAP) to Secondary TAPs. This Single P.

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Full PDF Text Transcription

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www.ti.com SN54LVT8986, SN74LVT8986 3.3-V LINKING ADDRESSABLE SCAN PORTS MULTIDROP-ADDRESSABLE IEEE STD 1149.1 (JTAG) TAP TRANSCEIVERS SCBS759E – OCTOBER 2002 – REVISED MAY 2007 FEATURES • Members of the Texas Instruments (TI) Family of JTAG Scan-Support Products • Extend Scan Access From Board Level to Higher Level of System Integration • Three IEEE Std 1149.1-Compatible Configurable Secondary Scan Paths to One Primary Scan Path • Multiple Devices Can Be Cascaded to Link 24 Secondary Scan Paths to One Primary Scan Path • Simple (Linking Shadow) Protocol Is Used to Connect the Primary Test Access Port (TAP) to Secondary TAPs. This Single Protocol Is Used to Address and Configure the Secondary Scan Path.
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