YM3016
The YM3016 is a floating point, 16bit stereo DAC made to work with the YM2610.
Both chips were made separately to avoid parasitic noise.
Datasheet
Official datasheet: [[1]]
Pinout
1 VDD 2 VSS 3 VDD 4 Form Select 5 Serial Data in 6 Serial Clock in 7 SMP 1 8 SMP 2 9 ICL
10 Channel 1 out 11 Channel 2 out 12 COM 13 BUF 14 MP (connected to 15) 15 BC (connected to 14) 16 RB