BUY HD404222C79S https://www.utsource.net/itm/p/1805418.html
CMOS 4-bit Single-Chip Microcomputers with the same architecture as the HMCS400 Series
Description: HD404222C79S is a Hitachi DIP (dual in-line package) integrated circuit. Features: * 4-bit single-chip microcontroller * Built-in 4K bytes of ROM * Built-in 256 bytes of RAM * Built-in 8-bit timer * Built-in 8-bit A/D converter * Built-in 8-bit PWM output Applications: HD404222C79S is used in a variety of applications such as home appliances, office equipment, and automotive systems. It is also used in industrial control systems, security systems, and medical equipment. (For reference only)