Ordering number : ENN*6728 CMOS IC LC651154N, 65.
Sanyo
LC651152F - Four-Bit CMOS Microcontrollers
Ordering number : ENN*6728 CMOS IC LC651154N, 651154F, 651154L, LC651152N, 651152F, 651152L Four-Bit CMOS Microcontrollers for Small-Scale Control A.