#Package versionPackagenamePackage descriptionIssue date 1SOT393-1QFP64plastic quad flat package; 64 leads (lead length 1.6 mm); body 14 x 14 x 2.7 mm99-12-272SOT393-2QFP64plastic quad flat package; 64 leads (lead length 1.6 mm); body 14 x 14 x 2.7 mm; high stand-off height99-12-27