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Intel 386EX (https://www.intel.com/content/dam/www/public/us/en/documents/packaging-databooks/packaging-chapter-02-databook.pdf, http://www.nxp.com/docs/en/application-note/AN4388.pdf PQFP, 132 pins, 24mm sq body, 0.65mm pitch (http://ww1.microchip.com/downloads/en/DeviceDoc/14L_VDFN_4_5x3_0mm_JHA_C041198A.pdf DE Package; 16-Lead Plastic DFN (6mm x 5mm) (see Linear Technology DFN_18_05-08-1778.pdf DFN20, 6x5, 0.5P; CASE 506CM (see ON Semiconductor Micro8 (Case846A-02): https://www.onsemi.com/pub/Collateral/846A-02.PDF PSOP44: plastic thin shrink.