Texas Instruments SN76489

E201693

The Texas Instruments SN76489 is a classic programmable sound generator chip widely used in early home computers and game consoles to produce simple three-voice music and sound effects.

All labels observed (10)

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf programmable sound generator ⓘ
sound chip ⓘ
alsoKnownAs SN76489A ⓘ
SN76496-compatible PSG ⓘ
audioGenerationMethod tone counters and dividers ⓘ
audioOutput mono ⓘ
bitWidth 4-bit volume control ⓘ
category Texas Instruments mixed-signal integrated circuits ⓘ
linked to: Texas Instruments
clockInput external clock required ⓘ
controlInterface parallel bus ⓘ
dataInput serially latched from host bus ⓘ
era 1980s ⓘ
late 1970s ⓘ
generation 8-bit and early 16-bit era ⓘ
hasChannelCount 1 noise channel ⓘ
3 tone channels ⓘ
hasFeature noise generation ⓘ
programmable frequency ⓘ
programmable volume ⓘ
square wave tone generation ⓘ
hasNoiseModes periodic noise ⓘ
white noise ⓘ
hasSuccessor Yamaha YM2149 (as more advanced PSG in some systems) ⓘ
hasVoice one shared noise voice ⓘ
hasVoices three independent tone voices ⓘ
influenced later PSG designs in game consoles ⓘ
logicFamily TTL-compatible inputs ⓘ
manufacturer Texas Instruments ⓘ
noiseSource linear feedback shift register (LFSR) ⓘ
notableFor simple hardware music synthesis ⓘ
widespread use in early video game audio ⓘ
outputType analog audio ⓘ
packageType DIP integrated circuit ⓘ
soundType chiptune-style sound ⓘ
technology digital logic with analog output stage ⓘ
typicalUse simple three-voice music ⓘ
video game sound effects ⓘ
usedFor game consoles ⓘ
home computers ⓘ
usedIn BBC Micro (variants) ⓘ
linked to: BBC Micro

ColecoVision ⓘ
IBM PCjr ⓘ
Sega Game Gear (compatible core) ⓘ
linked to: Sega Game Gear

Sega Master System ⓘ
Sega SG-1000 ⓘ
linked to: SG-1000

TI-99/4A home computer ⓘ
linked to: TI-99/4A

Tandy 1000 series (compatible PSG) ⓘ
volumeLevels 16 discrete volume steps ⓘ

How these facts were elicited

Referenced by (23)

Full triples — surface form annotated when it differs from this entity's canonical label.

Sega Mega Drive → soundChip → Texas Instruments SN76489 ⓘ
Atari ST → soundChip → Yamaha YM2149F PSG ⓘ
linked to: Texas Instruments SN76489
Amstrad CPC → soundChip → General Instrument AY-3-8912 ⓘ
linked to: Texas Instruments SN76489
Texas Instruments SN76489 → alsoKnownAs → SN76489A ⓘ
linked to: Texas Instruments SN76489
Texas Instruments SN76489 → alsoKnownAs → SN76496-compatible PSG ⓘ
linked to: Texas Instruments SN76489
Sega Master System → soundChip → Texas Instruments SN76489 PSG ⓘ
linked to: Texas Instruments SN76489
Sega Genesis Model 2 → soundChip → Texas Instruments SN76489 PSG ⓘ
linked to: Texas Instruments SN76489
BBC Micro → soundChip → Texas Instruments SN76489 ⓘ
BBC Micro → soundChip → Texas Instruments SN76489 ⓘ
subject linked to: BBC Micro in 1981
Acorn Electron → soundChip → Texas Instruments SN76489-compatible ⓘ
linked to: Texas Instruments SN76489
Sega Game Gear → soundChip → Texas Instruments SN76489-compatible PSG ⓘ
linked to: Texas Instruments SN76489
TI-99/4A → soundChip → SN76489A ⓘ
linked to: Texas Instruments SN76489
ColecoVision → soundChip → Texas Instruments SN76489A ⓘ
linked to: Texas Instruments SN76489
Sega System 16 → soundChip → Texas Instruments SN76496 ⓘ
linked to: Texas Instruments SN76489
Sega Genesis Model 1 → soundChip → Texas Instruments SN76489 PSG ⓘ
linked to: Texas Instruments SN76489
Fujitsu FM-7 → soundChip → Texas Instruments SN76489A ⓘ
linked to: Texas Instruments SN76489
Sega TeraDrive → soundChip → Texas Instruments SN76489 PSG ⓘ
linked to: Texas Instruments SN76489
Sega Mega Jet → soundChip → Texas Instruments SN76489 ⓘ
Sega Master System → soundChip → Texas Instruments SN76489 PSG ⓘ
subject linked to: SMS
linked to: Texas Instruments SN76489
SG-1000 → soundChip → Texas Instruments SN76489 ⓘ
Sega Nomad → soundChip → Texas Instruments SN76489 PSG ⓘ
linked to: Texas Instruments SN76489
Sega Mark III → soundChip → Texas Instruments SN76489 PSG ⓘ
linked to: Texas Instruments SN76489