SN76477
by admin on Jun.10, 2009, under Soundchips
- 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
- -
Music Creation
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