Semiconductor Precharge Block Voltage Control
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Solution Overview
Problem
Semiconductor memory apparatuses face challenges in optimizing processing speed and reducing power consumption, particularly in managing voltage levels during write and read operations to prevent current leakage and efficiently precharge data lines.
Innovation Solution
A semiconductor apparatus with a precharge block that dynamically adjusts voltage levels on data lines based on write and read signals, supplying a first voltage during non-consecutive write operations and a second voltage during read operations to minimize current consumption and prevent voltage drops.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If voltage is continuously supplied to data lines to maintain signal levels, then data transmission reliability is improved, but power consumption increases
Solution Approach 1:
The precharge pump circuit activates voltage supply to data lines only during specific operation periods (read/write operations) rather than continuously. The control logic detects operation types and enables voltage supply periodically when needed, reducing power consumption while maintaining data transmission reliability during active operations.
Solution Approach 2:
Different voltage levels are applied to different data lines based on their specific operation requirements. The precharge pump circuit provides first voltage level for read operations and second voltage level for write operations on specific data lines, optimizing power consumption locally for each data line according to its operational state.
2Use of energy by moving object
If voltage level is reduced during non-consecutive write operations to save power, then power consumption is reduced, but voltage level stability may be compromised
Solution Approach 1:
The precharge pump circuit dynamically adjusts voltage supply based on operational requirements. During non-consecutive write operations, the circuit selectively reduces voltage supply to data lines that do not require active signal transmission, while maintaining voltage stability on lines that do. The control logic continuously monitors operation types and adjusts voltage levels dynamically, achieving both power savings and voltage stability where needed.
3Speed
If precharge operation is performed on all data lines during read operations, then read speed is improved, but power consumption increases
Solution Approach 1:
The precharge pump circuit performs precharge operations selectively on only those data lines that are currently involved in read operations, rather than precharging all data lines simultaneously. The control logic identifies which data lines require precharging based on the active read operation, applying voltage only to those specific lines. This localized precharge approach maintains read speed performance while significantly reducing overall power consumption compared to blanket precharging of all data lines.
Data Source
AI summary
A semiconductor apparatus includes a first memory bank configured to store data transmitted through a first data line; and a precharge block configured to precharge the first data line to a level of a first voltage or a second voltage.