BUY HI1-201-4 https://www.utsource.net/itm/p/319432.html
The HI-200/883 is a monolithic device comprising two independently selectable SPST switchers which feature fast switching speeds
Description: The HI1-201-4 is a 16-pin, plastic dual-in-line package (DIP) integrated circuit (IC) from the HI1 series. Features: 16-pin DIP package High-speed operation Low power consumption High reliability Low noise High temperature operation High voltage operation Low cost Applications: Automotive electronics Industrial control systems Telecommunications Computers Home appliances Consumer electronics (For reference only)