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The JT2702 Digital 256 channel JTAG I/O module,

JT2702/DDC (Dual DIMM Carrier) is a DIMM DIOS accessory product. It is typically used in custom test adapters or fixtures where a large number of digital I/O channels are required with a minimum space overhead.

By populating the JT 2702/DDC with one or two of JTAG Technologies DIMM/168 format DIOS units, the user can build either a 128 or 256 channel (digital) I/O system. Since the units can also be serially linked, a channel count in excess of 1000 IOs is easily achieved at a relatively low cost. Access to the channels is via eight standard 40-way 0.1″ IDC connectors.

    • Low cost I/O solution
    • Up to 256 channels per module
    • Daisy-chain modules for higher channel count
    • Benefits

    • Compact size and high channel-count
    • Supports up to 25MHz TCK test clock
    • Autodetects installed DIMM DIOS’
    • Autodetects additional ‘daisy-chained’ JT 2702/DDCs
    • Standard adapter description included in ProVision
    • 2 x DIMM-168 format slots for JTAG Technologies DIMM DIOS
      8 x 40-Way latched IDC headers each supporting 32 I/O plus 8 signal grounds
      Standard 10-way IDC connectors for TAP-IN and TAP-OUT
      Dimensions 200 x 90 x 30 mm (no DIMMs fitted)
      Weight 175 g (no DIMMs fitted)

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