Quad Pin Timing Formatter
Each channel of the ADATE207 provides 256 selectable wave-forms, wherein each waveform consists of up to four possible events. Each event consists of a programmable timing edge and a STIL-compatible (IEEE Standard 1450-1999) set.
Each timing edge generator can produce an edge with a span of four periods with a 39.06 ps edge placement resolution. The delay generators use a reference master clock of 100 MHz and provide programmable delays based upon counts of the clock and a compensated CMOS analog timing vernier. The programmable delay generators can be additionally delayed by a global 8-bit input value that is shared across all edges.
The format and compare logic support x2 pin multiplexing to allow the trading of pin count for speed.
Each channel provides a 4-bit DUT output capture supporting mixed signal receive memory applications. The fail detection logic includes a 32-bit fail accumulation register per channel.
An external TMU is supported with three 8-to-1 multiplexers. This allows the dual comparator outputs of any pin to be multiplexed to any of the three outputs: arm, start, or stop signals.Applications
- Automatic test equipment (ATE)
- High speed digital instrumentation
- Pulse generation
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