Flash Memory Controller Interleaving Write Operations

The patent divides the flash memories into multiple groups (first flash memory group and second flash memory group) and segments the write processing into different time periods. The controller alternates between writing to different groups, ensuring that not all flash memories are written to simultaneously. This segmentation of time and groups reduces peak power consumption while maintaining high recording speeds through parallel processing across different time intervals.

The controller performs periodic write operations to different flash memory groups in an alternating manner. During a first time period, the controller writes to the first flash memory group, then during a second time period, it writes to the second flash memory group. This periodic action ensures that write operations are distributed over time rather than concentrated simultaneously, reducing power consumption while maintaining high recording speeds.

The controller prepares data for writing in advance and organizes the write operations in a predetermined sequence. By planning the write operations to start at different time points based on the cell sharing relationships and page structures, the controller avoids coincident write operations while maintaining high throughput. The preliminary organization of write timing ensures efficient use of resources.

The controller dynamically adjusts the start timing of write operations based on the specific characteristics of each flash memory group and the cell sharing relationships. Rather than using a fixed simultaneous start, the controller adapts the write timing to optimize both throughput and power consumption, starting writes to different groups at different time points based on real-time conditions.