Semiconductor device, system and method for managing reference current in semiconductor device

The present disclosure provides a system, apparatus, method and circuit for managing reference current in a semiconductor device, the semiconductor device comprising: an array of memory cells configured to store data in a plurality of groups of memory cells; and a circuit coupled to the memory cell array. Each group of one or more groups of memory cells in the memory cell array is associated with a respective reference current, and the memory cells in the plurality of groups associated with different reference currents have different threshold voltage distributions. The circuit is configured to determine information associated with a reference current for a group of memory cells in the array of memory cells based on a memory address corresponding to the group, generate the reference current based on the information associated with the reference current of the group, and sense one or more memory cells in the group based on the reference current. 本公开提供一种用于管理半导体装置中的参考电流的系统、装置、方法及电路，该半导体装置包括：一存储单元阵列，配置为存储数据在多组的存储