Yamaha YM2149 - computer sound chip
Software-Controlled Sound Generator or SSG, is a modified AY-3-8910. The chip has twice the resolution as the original, but a double-rate volume envelope table.
This IC can be driven from an Arduino and made to perform some crazy stunts! Fantastic for chiptune and noise melee
This chip has been used by the Atari ST, MSX2/2+/ Turbo R, plus an assortment of arcade games.
UK stock. Prices include VAT
40 pin DIL datasheet