BUY L53C80JC https://www.utsource.net/itm/p/8647686.html

The L53C80JC is a 44-pin PLCC logic chip manufactured by NEC. It is a 4-bit single-chip microcontroller designed for use in a variety of electronic devices. Features: * 4-bit single-chip microcontroller * On-chip RAM and ROM * On-chip timer * On-chip serial I/O * On-chip A/D converter * On-chip interrupt controller Applications: * Automotive electronics * Home appliances * Industrial control * Security systems * Office automation (For reference only)