File:AY-3-8500 chip pinout.svg

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Summary

Pin configuration of the General Instrument AY-3-8500 TV game chip (28-pin dual in line, top view): pin 2 V_SS (ground), pin 3 sound output, pin 4 V_CC, pin 5 ball angles, pin 6 ball output, pin 7 ball speed, pin 8 manual serve, pins 9 and 10 right and left player outputs, pins 11 and 12 right and left bat inputs, pin 13 bat size, pin 16 sync output, pin 17 clock input, pins 18 to 23 the game inputs (rifle game 1, rifle game 2, tennis, soccer, squash, practice), pin 24 score and field output, pin 25 reset input, pin 26 shot input, pin 27 hit input; pins 1, 14, 15 and 28 not connected. Checked against General Instrument's AY-3-8500 data sheet (GIMINI catalogue, January 1978, p. 6). Texas Instruments' TMS1955 and TMS1965 are pin compatible with this chip.

Source

Wikimedia Commons, File:AY-3-8500 chip pinout.svg (retrieved 2026-10-19), dated 1 November 2023.

Author

Arosio Stefano (own work, as stated on Wikimedia Commons).

Licence

Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0), as stated on Wikimedia Commons.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	08:13, 19 October 2026		512 × 471 (13 KB)	Josh (talk \| contribs)	Upload AY-3-8500 pinout from Wikimedia Commons (CC BY-SA 4.0, Arosio Stefano)

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Short title	AY-3-8500
Width	100%
Height	100%