AS6C4008-55SIN 32-SOP https://www.alliancememory.com/wp-content/uploads/pdf/AS6C4008.pdf SST39SF040-55-4C-NHE-T 32-PLCC https://ww1.microchip.com/downloads/en/DeviceDoc/20005022C.pdf ATF22V10C-5JX 28-PLCC https://ww1.microchip.com/downloads/en/DeviceDoc/doc0735.pdf Sockets 8428-21B1-RK-TP 28-PLCC (.050) 8432-21B1-RK-TP 32-PLCC (.050)