INTRODUCTION
SN67004 is a 4 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
♦ 4 seconds voice capacity are provided
♦ 6 I/O pins are provided
♦ 32*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