Memory Controller Cache Program State Management
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing memory systems face inefficiencies in performing cache and normal program operations, particularly in managing the state of memory dies and optimizing data programming commands, which affects overall data processing speed and system performance.
Innovation Solution
A memory system and operating method that utilize a controller to manage cache and normal program commands, allowing for efficient data programming by setting memory dies to specific states based on the type of data operation, automatically switching back to a normal state after cache operations are completed, thereby streamlining data processing without additional management costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the memory system uses separate management procedures for cache program operations and normal program operations, then the operations can be performed correctly, but the operational complexity increases and processing efficiency decreases
Solution Approach 1:
The patent combines cache program operations and normal program operations into a single unified management procedure. The controller automatically determines whether to perform cache programming or normal programming based on the current die state and command type, eliminating the need for separate management procedures and thereby reducing operational complexity while maintaining high processing efficiency
Solution Approach 2:
The patent implements dynamic state management where the memory die can automatically transition between cache state and normal state. The controller dynamically adjusts the programming mode based on the received command and current state, allowing flexible switching between cache and normal operations without manual intervention or complex control logic
2Extent of automation
If the memory system requires manual state switching between cache and normal operations, then state management can be controlled, but the operational complexity and management overhead increase
Solution Approach 1:
The memory die performs self-service by automatically transitioning between cache state and normal state based on the programming operations performed. After completing cache programming, the die automatically returns to normal state without requiring external control signals, thereby achieving high automation while actually reducing the control complexity for the controller
Solution Approach 2:
The system implements feedback mechanisms where the controller monitors the completion status of programming operations and automatically adjusts subsequent operations based on this feedback. The controller determines whether to issue cache program commands or normal program commands based on the current die state, creating a closed-loop control system that simplifies state management
3Speed
If the memory system processes cache program commands and normal program commands separately, then command accuracy can be maintained, but the processing speed and overall efficiency decrease
Solution Approach 1:
The patent implements dynamic command processing where the controller adapts the programming mode (cache or normal) based on the current die state and command type. This dynamic approach allows the system to process commands at maximum speed by selecting the appropriate programming mode, while maintaining accuracy through state-aware command selection and automatic state transitions
Data Source
AI summary
A memory system includes a controller suitable for providing first data, a cache program command corresponding to the first data, second data, and a normal program command corresponding to the second data; and a memory device suitable for programming the first data to a target die according to the cache program command, setting the target die to a normal state after the program operation for the first data is completed, and programming the second data to the target die according to the normal program command.