Registrations currently disabled due to spam. Contact me externally if you need an account

Update Identifying fake YM2612s authored by natalie's avatar natalie
...@@ -18,8 +18,8 @@ Yamaha outsourced manufacturing of the YM2612 to several fabs. There are four kn ...@@ -18,8 +18,8 @@ Yamaha outsourced manufacturing of the YM2612 to several fabs. There are four kn
![goodpkgs](uploads/9cede752e1ac26ebc12d33d1c28e9eb0/goodpkgs.png) ![goodpkgs](uploads/9cede752e1ac26ebc12d33d1c28e9eb0/goodpkgs.png)
### Details of the package styles ### Details of the package styles
* **A:** Entire surface is shiny. Notch on left side of chip. Two ejector pin markings in bottom-left and top-right corners. Suspected to be produced by Toshiba. * **A:** Entire surface is shiny. Notch on left side of chip. Two ejector pin markings in bottom-left and top-right corners.
* **B:** Matte surface. No notch on chip. One ejector pin marking, matte inside. Pin 1 marking is shiny inside. Suspected to be produced by Sharp. * **B:** Matte surface. No notch on chip. One ejector pin marking, matte inside. Pin 1 marking is shiny inside.
* **C:** Matte surface. Notch on left side of chip. Two ejector pin markings, shiny inside. * **C:** Matte surface. Notch on left side of chip. Two ejector pin markings, shiny inside.
* **D:** Matte surface. No notch on chip. Two ejector pin markings, smaller than style C, and matte. Pin 1 dimple is shiny inside. Tends to have later date codes (mid 90s). * **D:** Matte surface. No notch on chip. Two ejector pin markings, smaller than style C, and matte. Pin 1 dimple is shiny inside. Tends to have later date codes (mid 90s).
... ...
......