High performance HBM Known Good Stack Testing
S06_02_Loranger_SWTW2015R
S06_02_Loranger_SWTW2015R
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<strong>High</strong> Bandwidth Memory (<strong>HBM</strong>)<br />
• Micro Bump interface – defined by JEDEC<br />
– A field of 3982 Micro Bumps<br />
– Micro bumps have a pitch of 27.5 x 48 staggered<br />
– Some micro bump locations are depopulated to<br />
permit test pads<br />
96um<br />
48um<br />
55um<br />
25.7.5um<br />
25um<br />
Marc Loranger<br />
John Oonk<br />
6