Ordering number : EN*5190 CMOS LSI LC651204N/F/L.
Sanyo
LC651204N - One-Time Programmable 4-Bit Single-Chip Microcontroller
Ordering number : EN*5190 CMOS LSI LC651204N/F/L, LC651202N/F/L 4-Bit Single-Chip Microcontrollers for Small-Scale Control Applications Preliminary .