INTRODUCTION SN67025 is a 25 seconds single chip voice synthesizer IC which contains I/O pins and a tiny controller. By programming through the tiny controller, user’s applications including section combination, trigger modes, output status, and other logic functions can then be easily implemented. FEATURES ♦ Single power supply 2.4V - 5.1V ♦ Built in a tiny controller ♦ 25 seconds voice capacity are provided ♦ Two 4-bit I/O ports are provided ♦ 64*4 bits RAM are provided ♦ Maximum 16k program ROM is provided ♦ Readable ROM code data ♦ Built in a high quality speech synthesizer ♦ Adaptive playing speed from 2.5k-20kHz is provided ♦ Fixed current D/A output is provided to drive external connected transistor for sound output ♦ Low Voltage Reset
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