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RAM and data resetting method thereof

A technology of random access memory and memory array, which is applied in the direction of static memory, digital memory information, information storage, etc., and can solve the problem of no data reset, etc.

Active Publication Date: 2009-07-29
NAN YA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, as far as the current technology and DRAM specifications are concerned, there is no data reset operation

Method used

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  • RAM and data resetting method thereof
  • RAM and data resetting method thereof
  • RAM and data resetting method thereof

Examples

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Embodiment Construction

[0055] FIG. 1 is a timing diagram of various input signals of a random access memory with a state machine reset function, and the random access memory is, for example, a dynamic random access memory. In this figure, / RESET is the state machine reset signal input to the random access memory. When the random access memory is turned on, the state machine reset signal / RESET will be low to reset the state machine.

[0056] The execution data resetting method proposed by the present invention can be applied to the above-mentioned random access memory with state machine resetting function, and its steps are as follows figure 2 shown. figure 2 It is a flowchart of a method for performing data resetting according to an embodiment of the present invention. Please refer to figure 2 , first, provide a state machine reset signal to the random access memory (such as figure 2 shown in step 202). Next, extend the state machine reset signal for a predetermined time (eg figure 2shown in s...

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Abstract

The invention discloses a random access memory and an execution data resetting method thereof, wherein, the random access memory is provided with a state machine. The execution data resetting method comprises the following steps of: firstly, the resetting signal of the state machine is provided to the random access memory; and then, the resetting signal of the state machine is extended for a predetermined period; afterwards, a resetting operation is conducted over the execution data of the random access memory within the predetermined period.

Description

technical field [0001] The present invention relates to a memory and its execution data resetting method, and in particular to a random access memory and its execution data resetting method. Background technique [0002] Due to the advancement of technology, the storage capacity of dynamic random access memory (DRAM for short) has become larger and larger, and in order to speed up computer systems, data is often temporarily stored in dynamic random access memory instead of Write to hard disk. [0003] However, as far as the current security technology of the computer system is concerned, the data is written into a hard disk (hard disc) and then encrypted to prevent the data from being stolen. But between the hard disk and the central processing unit (Central Processing Unit, referred to as CPU), the dynamic random access memory, which plays the role of a volatile data storage medium, does not have encryption-like operations. In this way, computer hackers (hackers) can dire...

Claims

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Application Information

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IPC IPC(8): G11C11/4078
Inventor 宁树梁
Owner NAN YA TECH
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