4-BIT SINGLE-CHIP MICROCOMPUTER

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MOS INTEGRATED CIRCUIT

FEATURES • mPD75218 compatible • On-chip 16K-byte mode/32K-byte mode switching function • Operates at the same power supply voltage range (2.7 to 6.0 V) as the mask ROM version mPD75218. • 32640 ´ 8 bits of PROM • 1024 ´ 4 bits of RAM • No pull-down resistor for Port 6 • High breakdown volt