R68.A — 68 Lead Ceramic Quad Flatpack Package Hermetic Packages for Integrated Circuits Ceramic Quad Flatpack (CQFP) 0.012 M C A S - B S D S R68.A 68 LEAD CERAMIC QUAD FLATPACK PACKAGE 0.012 M C A S - B S D S INCHES MILLIMETERS D SYMBOL MIN MAX MIN MAX NOTES D1 ……