Semiconductor Control Signal Generation Circuit for Data Copying
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Solution Overview
Problem
Semiconductor devices face challenges in efficiently performing copy operations and data inversion operations, which are essential for data storage and retrieval, particularly in generating multiple sets of data without additional circuitry and maintaining diverse data patterns.
Innovation Solution
A semiconductor device configuration that includes a control signal generation circuit and an input/output control circuit, capable of entering a copy operation based on logic levels of operation control signals, generating transfer control signals, and inverting or non-inverting data logic levels to produce multiple data sets during read and write operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If additional circuitry is added to perform copy operations and data inversion operations, then operational flexibility and data pattern diversity are improved, but device complexity and layout area increase
Solution Approach 1:
The control signal generation circuit is designed to perform multiple functions including copy operations, data inversion operations, and normal read/write operations using the same circuit structure. By detecting logic levels of operation control signals and generating appropriate transfer control signals, a single circuit achieves what would traditionally require multiple dedicated circuits, thereby improving operational flexibility without proportionally increasing device complexity
Solution Approach 2:
The circuit dynamically adjusts its behavior based on the logic levels of operation control signals (COPY and DBI). The transfer control signal generation is dynamically determined by detecting the combination of logic levels, allowing the same hardware to adapt to different operational modes (copy, inversion, normal operation) without physical reconfiguration, thus achieving versatility without fixed complexity
2Adaptability or versatility
If additional circuitry is added to perform copy operations and data inversion operations, then operational flexibility and data pattern diversity are improved, but layout area increases
Solution Approach 1:
The control signal generation circuit serves multiple purposes: generating transfer control signals for copy operations, data inversion operations, and normal read/write operations. This multi-functional design eliminates the need for separate dedicated circuits for each operation type, achieving high operational flexibility while minimizing the layout area required for control logic
Solution Approach 2:
The patent merges the functionality of copy operation control, data inversion control, and normal operation control into a single control signal generation circuit. By combining these functions and using a unified approach to transfer control signal generation based on logic level detection, the layout area is minimized while maintaining full operational capability
3Manufacturing precision
If complex control logic is used to detect logic levels and generate transfer control signals, then data copying and inversion accuracy are improved, but device complexity increases
Solution Approach 1:
The control signal generation circuit implements local quality by detecting the specific logic levels of individual operation control signals (COPY and DBI) at their respective input points and generating transfer control signals tailored to the detected combination. This localized detection and response approach ensures accurate data copying and inversion control without requiring complex global control logic across the entire device
Data Source
AI summary
A semiconductor device includes a control signal generation circuit and an input/output control circuit. The control signal generation circuit enters a copy operation based on a combination of logic levels of first and second operation control signals and generates a transfer control signal according to a detection result of logic levels of bits included in first internal data during the copy operation. The input/output control circuit generates first data and second data by inverting or non-inverting the logic levels of the first internal data based on the transfer control signal.