Cypress? Are you going to reply?
The 60% in the application note came from our assembly subcontractor. However, since then we did our own evaluation which confirmed the assembly subcontract's statements.
Below is a summary of the BLR evaluation we performed in August 2016 using a DFN package.
8LD DFN BLR Test Summary BLR No. BM-1602-TC-005 BM-1602-TC-007 Package 8LD DFN 8LD DFN Dimensions 5.0X6.0X0.8mm 5.0X6.0X0.8mm Lead Frame P/N 41075 41075 EPAD Soldered to PWB Yes No Number of Units submitted to Stress 32 32 First Failure N/A 854 Cycles Number of Units Failed 0 23 Number of cycles completed 2,000 1,250 (Stopped)
Sr Staff Packaging Engr