SN66090 4-Channel Speech Controller „ INTRODUCTION SN66090 is a 90 seconds single chip 4-channel voice synthesizer IC which contains I/O ports and a tiny controller.
By programming through the tiny controller, user’s applications including section combination, trigger modes, output status, high performance melody, multiple voices, and other logic functions can be implemented.
„ FEATURES Š Š Š Š Š Š Š Š Š Š Š Š Š Š Š Single power supply 2.
4V – 5.
1V Built in a tiny controller 90 seconds voice capacity are provided One 4-bit input port, two 4-bit I/O ports and one 4-bit output port are provided 128*4 bits RAM are provided Maximum 64k program ROM is provided Readable ROM code data Built in a h...

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