BUY PC8477AV-1 https://www.utsource.net/itm/p/229639.html
Advanced Floppy Disk Controller
Description: PC8477AV-1 is a 68-pin PLCC (Plastic Leaded Chip Carrier) integrated circuit manufactured by National Semiconductor. Features: Low power consumption High speed Low noise High reliability High integration Application: PC8477AV-1 is used in various applications such as networking, storage, and communication systems. It is also used in industrial automation, automotive, and consumer electronics. (For reference only)