מאפיינים מרכזיים

The JT 2122/MPV DIOS (digital I/O scan module) increases the coverage and improves the diagnostic resolution of boundary-scan testing by extending test access to connectors and/or test points. JT 2122/MPV DIOS provides bi-directional parallel-scan access to up to 128 or 133 I/Os in a standard DIMM-168 module.

The TAP signals can be accessed via the ‘fingers’ of the 168 pin module connector or a separate 10-pin connector. A TAP-out can be used to daisy-chain to another DIOS module or to a scan chain on the target board.

    • Low cost
    • Increase test coverage
    • Improve diagnostic resolution
    • Benefits

    • High-channel count DIOS system
    • Small, low-profile package is ideal for mounting ‘in-fixture’
    • Compatible with JT 2702/DDC break-out board
    • 1.8v to 5.0V PSU accepted
    • Thresholds set by supply voltage – inputs 5V tolerant
    • Set-up in 8 blocks of 16 channels each ‘bypassable’
    • 45 MHz maximum TCK tolerant
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