Deskewing time-critical signals in automatic test equipment
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United States of America Patent
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Apr 16, 1985
Grant Date -
N/A
app pub date -
May 24, 1982
filing date -
May 24, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus is provided for supplying deskewed signals. The apparatus includes a timing generator (20) for generating a pulse of desired duration, a deskew unit (17) connected to receive a pulse and adjust its width to compensate for previous errors, a differentiation network (15) for dividing the pulse into a leading and trailing edge signal, a plurality of logic gates (80 through 85) for receiving the pair of signals and supplying one of the pair along a set path and the other of the pair along a reset path, a deskew unit (86 and 89) associated with each path for delaying the signals thereon, and a latch (53) coupled to the deskew units to reform the electrical signal. Logic gates (80 through 85) operate under control of a format selector (90).
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