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Probed Die
All products, with some exceptions, are 100% probe tested prior to shipping in Die form. For products that are extremely small, it is not always cost effective to test 100% of the Die as the test costs could exceed the cost of the fabricated Die. As the yield on very small Die is very high, the 100% probe test vs assembly yield trade-off often means that sample testing is applicable.
IR will notify the customer if the recommendation is for sample testing only of a particular part
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