BUY FX604D4 https://www.utsource.net/itm/p/1107696.html
Ultrahigh-Speed Switching Applications
Package: SOP-16, CML Description: FX604D4 is a CMOS logic IC from Fairchild Semiconductor. It is a 4-bit single-chip microcontroller with a built-in 8-bit CPU. Features: 8-bit CPU with 4-bit data bus 4K bytes of ROM 256 bytes of RAM Built-in I/O ports 8-bit timer/counter 8-bit A/D converter 8-bit PWM generator On-chip oscillator Low power consumption Applications: FX604D4 is suitable for use in a variety of applications, including: Automotive systems Home appliances Industrial control systems Office automation systems Security systems Telecommunications systems (For reference only)