The way you write in the unit's non-volatile memory and device for its implementation

 

(57) Abstract:

The invention relates to a method of recording in non-volatile memory and can be used in the devices performing the storing and updating of operational information in the course of their work. The technical result is the reliability of the burn process information in memory. The device includes a block write block read, the comparison circuit, the generator test signals, the block write-enable, load resistance, two key shaper short pulse. The method describes the operation of this device. 2 S. and 3 C. p. F.-ly, 1 Il.

The present invention relates to methods of recording in non-volatile memory and can be used in devices that use the storage and updating of information in the process of their work.

Known random access memory that includes a block write block read and block address generation connected to the storage device (dictionary of computing systems/Ed. by C. Illingworth etc. : TRANS. from English. A. K. Blockage and others ; Ed. by E. K. Maslovsky. - M. : Mashinostroenie, 1989. - 568 S. , S. 393, 394).

Way, refraine operational information.

The disadvantage of this method is the presence of a high probability of information loss by reducing the supply voltage, for example, due to low battery power when it is used as a power source. Thus, when the voltage to values that do not provide reliable actuation of the elements of digital circuits serving non-volatile memory device, the memory can be written and stored distorted information, due to the failure of any of the switching elements, which, ultimately, will lead to a breakdown of the system as a whole.

The objective of the invention is to improve the reliability of the burn process in memory.

The technical result is to reduce the likelihood of recording distorted information at lower supply voltage, such as at the discharge of the supply battery.

This technical result is achieved in that in the recording method of the block of non-volatile memory, including directly write data at a specified address, conduct first of concurrent short-term bypass power source having a high internal SOP is recording with the recorded test information and results to judge the need for recording information.

In addition, the control record is carried out by generating test signals, recording test signals in the test cell non-volatile memory and reading already recorded test signals.

The device for implementing the method of the entry in the unit's non-volatile memory includes a block write block read and shaper addresses connected to corresponding inputs-outputs of the storage device, a comparison circuit, the first input of which is connected to the output of the block is read, the generator test signals, the output of which is connected to the second input of the comparison circuit, the block write permissions, the inlet of which is connected to the output of the comparison circuit, and the output unit of the write-enable is connected to the control input of the recording/reading unit recording, connected in series power supply with high input impedance, the first key and the load resistance, as well as the short pulse shaper, the output of which is connected to the input of the test signal generator, the control input of the first key, the outputs of the shaper addresses connected to the corresponding address inputs of the storage device, and the control input to the output of the shaper short and signals and the output to the input of the recording unit, the output of block read is connected to the output device, the control input of the second key is connected to the output of the shaper short pulse.

The invention is illustrated with drawings, where the drawing shows a functional diagram of a device that implements the proposed method of recording information in the unit's nonvolatile memory.

The way you write in the unit's non-volatile memory can be implemented as follows.

When you use power sources with limited capacity as they discharge is a decrease in the supply voltage. To avoid information loss when the loss or significant reduction of tension before the actual recording of information in the storage device is a control record test data on the predetermined locations with simultaneous short-term bridging power source having a high internal resistance. However, due to the bypass during the audit record is short, the voltage on the elements of digital logic, as the record is accompanied by an increase in current consumption. If the power supply voltage becomes the rmacie in the storage device and read then also distorted information. The next step is comparing the read information with the test. If differences in the compared signals do not, then writes the operating data in the memory device. If the read information is different from the test, i.e. the one that was recorded at this address, it is considered that to record the current state of battery discharge power cannot, and record operating data do not exercise. In this case, the storage device continues to store operating information recorded before. The negative impact of not updating the working data in the storage device are more preferable in comparison with the recording distorted information when the results of the previous calculations can be altogether lost.

A device that implements the proposed method of entry in the unit's non-volatile memory includes a block 1 write block 2-reading, United to the corresponding inputs-outputs of the storage device 3, the comparison circuit 4, the first input of which is connected to the output of the block read 2, generator test signals 5, the output of which is connected to the second input of the comparison circuit 4, the unit recording resolution 6, the input of which is connected to the lock record 1, connected in series power supply 7 with high input impedance, the first key 8 and the load resistance 9, and the short pulse shaper 10, the output of which is connected to the input of the test signal generator 5, the control input key 8, the imaging unit address 11, the outputs of which are connected to corresponding address inputs of the storage device 3 and the control input to the output of the shaper short pulse 10, the second key 12, the first input of which is connected to the input device, the second generator output test signal 5 and the output to the input of the recording unit 1, the output of block read 2 connected to the output device, the control input of the second key is connected to the output of the shaper short pulse.

The device operates as follows.

Shaper short pulses 10 at certain points generates the control pulses, which is a short bypass power source 7 through the key 3 and the resistor 9, cracovienne runs the generator test signals 5, the output signal of morogo is fed to the input of the comparison circuit 4 and through the second key 12 to the input of the recording unit 1, and are formed of the address in the driver addresses 11 to provide 2, when the first input of the comparison circuit 4, which compares the information received at its first input. When there is equality of the compared signals at the output of the comparison circuit 4 is formed by a logical signal on the basis of which the output of block recording resolution 6, a signal is generated record operating data in the block of non-volatile memory 3. In the absence of equality of the compared signals, the write permission is not formed in the unit's non-volatile memory keeps stored previously recorded information.

Record information from block 1 write-in block 3 the non-volatile memory and reading out the last block 4 read through the input-output unit 3 non-volatile memory connected to the output of the unit 1 and unit 2.

The proposed method provides improved reliability of the recording process in the non-volatile memory cell by reducing the probability of recording distorted information at lower supply voltage, such as at the discharge of the supply battery.

1. The way information is recorded in the unit's non-volatile memory, namely, that shall record the information specified address in the block of non-volatile platenae bypass power source and controlling the recording of the test signals, read test signals, comparing the read test signals from the recorded test signals and in case of differences between the compared signals not, write to the information.

2. The way information is recorded in the unit's non-volatile memory under item 1, characterized in that the control and recording of the test signals is carried out by generating test signals and recording test signals in the unit's nonvolatile memory.

3. The way information is recorded in the unit's non-volatile memory under item 1 or 2, characterized in that the implement short-term bypass power source having a high internal resistance.

4. The device for implementing the method of recording information in a block of non-volatile memory that includes a block write block read, are connected to corresponding inputs-outputs of the block of non-volatile memory having address inputs, characterized in that it introduced the comparison circuit, the first input of which is connected to the output of the block is read, the generator test signals, the output of which is connected to the second input of the comparison circuit, the block write permissions, the inlet of which is connected to the output of the comparison circuit, and the output BL is by the power source, the first key and the load resistance, as well as the short pulse shaper, the output of which is connected to the generator input test signal and the control input of the first key, second key, the first input of which is connected to the information input device, the second generator output test signal, and the output to the input of the recording unit, the output of block read is connected to the output of the shaper short pulse.

5. The device for implementing the method of recording information in a block of non-volatile memory on p. 4, characterized in that the power supply is made with high internal resistance.

 

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EFFECT: higher trustworthiness, higher efficiency.

2 cl, 1 dwg

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