Archive of datasheets that I either use frequently or had a hard time finding.

Yamaha FMs

• YAC512: YAC512 Datasheet
• YM2151: YM2151 Datasheet YM2151 Application Manual (really nasty scan)
• YM2203: YM2203 Datasheet
• YM2413: YM2413 Datasheet / Application Manual
• YM2612: YM2612 Datasheet (Application Manual) The real thing. Not just a pinout.
• YM2608: YM2608 Datasheet (Japanese, more complete) YM2608 Datasheet (English translation)
• YM2610: YM2610 "Datasheet" - Translated, includes ADPCM-B details
• YM3012: YM3012 Datasheet
• YM3014: YM3014 Datasheet
• YM3014B (Y3014B): YM3014B Datasheet (Y3014B)
• YM3016: YM3016 Datasheet YM3016 Datasheet (Japanese, more complete)
• YM3438: YM3438 Datasheet/Overview (Japanese) YM3438 Application Manual (Japanese)
• YM3812: YM3812 Datasheet YM3812 Application Manual
• YMF262: YMF262 Datasheet / Application Manual

TI DCSG series

• SN76489AN, SN76489N: SN76489 Series Datasheet
• SN76494, SN76494A, SN76496, SN76496A: SN7649x Series Datasheet

1987 OKI Voice Synthesis LSI Data Book

Dialogic ADPCM Algorithm Manual

Inside AppleTalk

OKI MSM6295 Datasheet (OKIM6295)

ILI9341 Datasheet

General Instrument AY-3-8910 Datasheet

TMPZ84C011A Datasheet

Rockwell RC96V24DP / RC2324DPL Modem Datasheet

Intel P8155H/P8156H Datasheet

Brooktree Bt471/Bt476/Bt478 Datasheet

Dallas DS2009 Datasheet

Intel 8251A Datasheet

Philips/Signetics 8031AH/8051AH Datasheet

Rockwell RC2324DP/RC2424DP Modem Designer's Guide