X68000

• The SN76477 was made by Texas Instruments and was used inside several Arcade Games, a Homecomputer and a few other applications. The production of the chip started in 1978.

Technical Specifications

• Channels: 1
• Channel 1: Generates a Tone and / or Noise
• Stereo: No
• Hardware-Support for Attack & Decay
• Volume Control
• Internal Mixer
• Datasheet for the SN76477 is available here (PDF)

Space Invaders uses the SN76477

Used in

Arcade Games

• Crazy Balloon
• Space Invaders
• Space Invaders Part 2
• Stratovox
• Vanguard
• .. more

Homecomputers

• Dataindustrier AB ABC 80

Special Applications (Arcade)

• Stratovox uses the SN76477 together with an AY-8910
• Vanguard uses 2x the SN76477
• Various Arcade Games use it together with different discrete elements

Variants

• SN76477N | 28-pin DIP with a width of 0.6 inch
• SN76477NF | 28-pin DIP with a width of 0.4 inch

Emulation

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Music Creation

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