SU1411837A1 - Blackout-proof memory - Google Patents

Abstract

The invention relates to memory devices and can be used as RAM in computer hardware. The aim of the invention is to increase the storage time of information when the main power is turned off. The device contains a storage unit 1, a conjugation unit 2, a current stabilizer 3, a backup power source 4, a separator element 5, a group of elements 6 of galvanic isolation, a group of load elements 7 ,. filter element 8, voltage multiplier 9, stabilizer 10, key 11. 1 - "l.

Description

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: The invention relates to powering devices and can be used as RAM in a jcTsax computer environment.

The aim of the invention is to increase the storage time of information when the main power is turned off.

The drawing shows a block diagram of the device.

The device contains an accumulator 1, a block, 2 junctions, a current stabilizer 3, a backup power source 4, for example an ionistor unit, a separating element 5 made in the form of a diode, a group of galvanically isolated elements 6, a group of load elements 7 made in the form of resistors filter element 8, for example, a capacitor, a voltage multiplier 9, a voltage stabilizer 10, a key It, an input 12 of the main power supply of the device, a control input 13, an address input 14 and an information input 15.

Voltage stabilizer 10 may be configured as a pulse voltage regulator.

The device works as follows.

In normal operation, the voltage of the main power source comes from the input 12 of the device to the mating unit 2 and through the separating element 5 to the drive 1, the drive 1 and block 2 of the interface. At the same time, the same voltage is fed to the input of a voltage multiplier 9, which increases this voltage and supplies it to the input of current stabilizer 3, from the output of which energy enters the backup power source 4, charging the latter. The current stabilizer 3 limits the charge current of the backup power source 4, especially at the first point in time, when this current can reach dangerous values for the backup power source 4. The voltage present at the input 12 of the power supply of the device closes the key 11 on the control input. Therefore, the current from the output of the stabilizer 3 current does not flow to

power supply input drive 1.

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When the main power supply is disconnected, the power supply to the storage device 1 is disconnected through the separating element 5, and the power supply of the interface unit 2 and charging of the backup power supply 4 through the voltage multiplier 9 and current stabilizer 3 are also stopped. The absence of voltage 5 at the control input of the key 11 releases the latter. The voltage from the backup power source 4 through the key 11 and the voltage regulator 10 is fed to the input of the power drive 1.

10 The filter element 8 limits the voltage surges when switching the supply, and also reduces the voltage ripples of the storage device 1. The voltage stabilizer 10 limits the supply voltage of the storage device 1 when powered from the backup power source 4 at the minimum acceptable level in order to reduce energy consumption from backup.is0 source 4 food.

In the information storage mode, when the storage device 1 is powered from the backup power source 4, there is no contact to the storage device 1 via the control 13, address 14, and information 15 buses. The group of galvanic isolation elements 6 separates the interface unit 2 from the inputs of storage device 1, and the group of load elements 7 creates a high potential at the inputs of storage device 1. This further reduces power consumption from the backup power source. Separation element 5 prevents energy from leaking.

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those circuits that do not fulfill their functions when the device is operating in the mode of information storage.

Claims (1)

Claim 0 A storage device. With preservation of information when the power is turned off, the drive contains the power input of which is connected to the filter element, to the first outputs of the load group elements and to the first output of the separating element, the second output of which is the input of the main power supply of the device and 0 is connected to the power input of the interface unit, the outputs of which are connected through the elements of the galvanic isolation of the group to the corresponding inputs of the storage device and to the second terminals on The 5 load elements of the group, the inputs of the interface block are the information, address and control inputs of the device, the current stabilizer, the output of which is input 3 14118374. the output of the backup power source. the current generator, the key switch is connected to devices that are supervised to the input of a voltage stabilizer, we will find out that, in order to increase the time of which is connected to the input of supply of information on disconnection and storage, the control input the main power supply, it contains a mind-key connected to the power input voltage surgeon, a stabilizer mate and to the input of the multiplier .voltage and key, co-voltage power input, the output of which is connected Rogo is connected to the output stabilization-to the input of the current stabilizer.