FEATURES

• Key return reset function for keyless entry

• Low-voltage operation: VDD = 1.8 to 6.0 V

• On-chip memory

• Program memory (ROM): 2048 × 8 bits

• Data memory (RAM) : 128 × 4 bits

• Variable instruction execution time useful for high-speed operation and power save

• 0.95, 1.91, 3.81, 15.3 μs (at 4.19-MHz operation)

• 0.67, 1.33, 2.67, 10.7 μs (at 6.0-MHz operation)

• Compact package (20-pin plastic shrink SOP (300 mil, 0.65-mm pitch))