東芝閃存顆粒命名規則?
命名規則:THGAF4G9N4LBAIR(UFS2.1,15nm,MLC)字符1: T: "Toshiba" 東芝
字符2: H: "Multi-chip" 多芯片封裝
字符3: G: Symbol of Type of flash type "IC" 集成電路
字符4: A: Symbol of "voltage type" 表示供電電壓類型
字符5: F: NAND Interface type is "UFS" 閃存接口類型為UFS
字符6: 4: Unique code of controller revision 內置控制器版本為4
字符7: G: Memory density calculated by G bits 容量用G bits表示
字符8: 9: Memory density is 2^9=512G bits (64GB) 2的9次方,512G bits,即64GB
字符9: N: Symbol of "cell level" (cell technology) 架構為MLC
字符10: 4: Number of stacked chips is 4 封裝內含堆疊芯片數為4
字符11: L: Symbol of "Design rule" 15nm (K for 19nm, J for 24nm) 制程為15nm
字符12-13: BA: Package type is BGA lead free and halogen free 無鉛無鹵素BGA封裝
字符14: I: Symbol of Mode "industrial version" -25oC to 85oC 工業版本
字符15: R: Symbol of "Package size" 11.5mmx13mmx1.0mm 封裝大小
其中,第9個字符與閃存架構有關:
1)SLC(Single-Level Cell)為S或H;
2)DLC(Dua-Level Cell)為D或E【不常見】;
3)TLC(Triple-Level Cell)為T或U;
4)MLC(Multi-Level Cell)為B、C、J、K、L、N 等。