SN76489 3 in 1 Sound board
This board combines the SN76489 with an LM386 Amplifier and an LM3915 LED BAR/DOT display. For project code see https://github.com/bchiha/Ready-Z80/tree/main/16-SN76489_Sound_Generator/
Note: The board has been updated to include a 74HC273 data latch. This will reduce interference from the data bus to the amplifier.
For more information on this board and to see it working see
SN76489 3 in 1 Sound board
Project images are for reference only. Actual production is based on the manufacturing files on the project page.
Please review the designer's notes (e.g., PCB thickness) and select the appropriate options.
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