DD192 – Digital Subsystem



The DD192 is a self-contained, single slot AXIe 3.1, 192 channel mixed-signal digital subsystem. Each DD192 has four sequencer controllers with pattern generators, and integrated timing generators connected to integrated pin electronics. The DD192 pin card can operate as 4 independent 48 channel sub-systems, synchronized as 2 independent 96 channel sub-systems, synchronized as an independent 192 channel subsystem, or synchronized with other pin cards controlled by a separate Digital Synchronization Module provided on the System Module installed in the system backplane.


Pattern Generator Features

  • 128M unrestricted vector memory
  • 24 independent 8-bit wide source/capture engines with 128K digital source memory per channel
  • 12 unique 2G SCAN chains (Drive & Compare)
  • Match mode – parallel and serial.
  • Flexible micro-instructions supporting nested loops and subroutines
  • Flexible mixed signal triggering

Timing & Formatting Features

  • 100/200 Mvps data rates
  • 32 per-pin flexible edge sets, 1.25nS resolution
  • 32 period sets (10ns to 500mS periods)
  • 127 global timing sets on-the-fly
  • Strobe compare format
  • Flexible drive formats supporting mixed-signal applications
  • 2 flexible edges per pin for unique formats & applications

Driver, Comparator & Load Features

  • 3-level driver – Vih, Vil, Vtt
  • -1.5v to +6.0v Range
  • Active load up to 12mA source and sink

Per Pin PMU Features

  • Force Voltage, Measure Current
  • Force Current, Measure Voltage
  • Measure Voltage
  • Voltage Clamps
  • 5 current ranges (2uA to 20mA)
  • -1.5v to +6.0v Range
  • Hardware measurement averaging

Software / Programming

  • Pattern compiler
  • Full API access to board functionality and debug capability
  • Debug tools including:
    • Pattern Debugger

Test system and instrument datasheets are available here.

All Test Evolution AXIe chassis and instruments comply with the AXIe 3.1 standard. AXIe_logo