YM3438
Jump to navigation
Jump to search
YM3438
| Variant of | YM2612 |
|---|---|
| Manufacturer | Yamaha |
| Code | OPN2C (OPN series) |
| Type | FM, PCM |
| Channels | 6 (5 FM, 1 FM/DAC) |
| Package | DIP24 0.7" |
| Produced | 198X-199X |
| Variants | SEGA VDP YM3438, YMF276 |
| Documents | Datasheet, Application Manual |
The YM3438 (OPN2C) is a variant of the YM2612 using CMOS technology.
Differences
While pin-compatible with the YM2612, it requires different surrounding analog circuitry. There are also differences in the timer behavior which prevent it from being a drop-in replacement for the original chip. DAC output quality is significantly improved with less distortion compared to the YM2612.
Systems
The YM3438 is used in the following systems:
- Fujitsu FM Towns computers
- SEGA System 32 and UFO catcher arcade boards