No. 5484 Preliminary CMOS LSI LC66354C, 66356C, 6.
Sanyo
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LC66356C - Four-Bit Single-Chip Microcontrollers
No. 5484 Preliminary CMOS LSI LC66354C, 66356C, 66358C Four-Bit Single-Chip Microcontrollers with 4, 6, and 8 KB of On-Chip ROM Overview The LC66354.