SU970464A2

SU970464A2 - Memory with simultaneous access to several words

Info

Publication number: SU970464A2
Application number: SU813273796A
Authority: SU
Inventors: Владимир Фрицович Зелтиньш; Леонид Павлович Лобанов; Владимир Иванович Горбенко; Геннадий Сергеевич Тимофеев
Original assignee: Киевское высшее инженерное радиотехническое училище ПВО
Priority date: 1981-04-08
Filing date: 1981-04-08
Publication date: 1982-10-30

Description

Изобретение относитс к запоминающим устройствам и может быть использовано , в частности в системах napaiiлельной обработки информации.The invention relates to storage devices and can be used, in particular, in data processing processing systems.

По основному авт.св. № 542241 известно запоминающее устройство с одновременной выборкой нескольких слов, содержащее матрицу из m запоминающих элементов, адресный блок, п регистров направлении выборки и плт элементов И, первые входы которых подключены к выходам соответствующих запоминающих элементов, вторые - к выходам ъцресного блока, а выходы - к соотЬетствующим входам регистров направлений выборки.According to the main auth. No. 542241 a memory device with simultaneous sampling of several words is known, containing a matrix of m storage elements, an address block, n registers of the sampling direction, and an I component, the first inputs of which are connected to the outputs of the corresponding storage elements, the second to the outputs of the redreactor, and the outputs to the corresponding inputs of the sample direction registers.

В этом устройстве не предусматриваетс разрешение конфликтных ситуаций , возникающих при обращении к и той же чейке пам ти на выборку по ,одной магистрали и одновременно на запись информации по другой. В такой ситуации считываетс искажен:ное слово, представл ющее собой,как правило, поразр дную дизъюнкцию предыдущего и последующего записанных слов. Это снижает надежность устройства .This device does not provide for the resolution of conflict situations arising when accessing the same memory cell per sample by one trunk and simultaneously writing information on another. In such a situation, a distorted word is read: a word that represents, as a rule, a fractional disjunction of the previous and subsequent written words. This reduces the reliability of the device.

Цель изобретени - повышение надежности устройства.The purpose of the invention is to increase the reliability of the device.

Поставленна цель достигаетс тем, что в запоминающее устройство с одновременной выборкой нескольких слов , введены адресный блок записи, триггеры сбо , регистр направлений записи и две группы элементов И, причем первые входы элементов И первой группы подключены к выходам адресного блока записи, вторые - к выходам ад10 ресного блока, а выходы - ко входамThe goal is achieved in that a memory device with simultaneous sampling of several words, an address write block, a flip-flop trigger, a write direction register and two groups of AND elements are entered, the first inputs of the AND elements of the first group are connected to the outputs of the write address block, the second to the outputs the external unit and the outputs to the inputs

триггеров сбо , выходы которых ЯВ.Г1ЯЮТс выходами устройства, первые входы элементов И второй группы соединены с выходами регистра направлений за15 писи, вторые - с выходами адресного блока записи, а выходы - с одним из входов соответствующих запоминающих элементов, входы адресного блока записи и регистра направлений записи Fault triggers, the outputs of which are YA.G1YAUTS with the device outputs, the first inputs of the elements of the second group are connected to the outputs of the register of recording directions, the second with the outputs of the write address block, and the outputs with one of the inputs of the corresponding storage elements, the inputs of the write address register and recording directions

20 вл ютс одними из входов устройства.20 are one of the inputs of the device.

На чертеже изображена функциональна схема запоминающего устройства с одновременной выборкой нескольких слов.The drawing shows a functional diagram of a storage device with simultaneous sampling of several words.

Устройство содержит матрицу 1 из The device contains a matrix of 1 of

Claims

25 m storage elements 2, forming k memory cells, address block 3, which, for example, includes 4 sample address registers and decoder 5 address adresters by number of sample directions, write address block 6, into which address register 7 is entered records and a decoder 8 write addresses, elements AND 9, register 10 directions of recording, triggers 11 faults, n registers and 12 directions of sampling 12, the first group of 2n elements And 13 for each .direction of recording and the second group of chapters And 14 for each recording direction. The storage device operates as follows. The address block b of the recording according to the executive signal, depending on the address code located in register 7 of the write address, from the decoder 8 of the write address generates a write signal in one of the memory cells of matrix 1 to AND 14 elements, resulting in information from the register of 10 directions the entries are rewritten into the storage elements 2 during the time of the action of the signal at the output of the decoder 8 of the address of the entry. The information is sampled independently of each other from each of the n directions by actuating signals received to the address block 3. At the same time, the decoder 5 of the sample address by code located in register 4 generates a signal to one of its k outputs, which through the elements And 9 transmits information from the Storage elements 2 of the matrix 1 to the register 12 directions of the sample. If during the sampling time from a certain cell there is a recording in the same cell of new information, then the information read into the register of 12 directions of the Sample may be distorted. But in this case, a signal appears at the output of AND 13, setting trigger flush 11 to the appropriate state. Thus, the new elements introduced into the storage device make it possible to independently record and sample information in several KIM directions, fixing the reliability of the selected information. Such an organization of the storage device increases its reliability as well as speed, since there is no need to waste time analyzing and preventing conflict situations, the number of which is an insignificant part of the total number of write hits and even a smaller part of the total number of hits per sample. Recovery of unreliable read information by repeated reading does not increase the sampling time in comparison with any other methods of resolving conflict situations. This allows you to significantly expand the functionality of the device, especially when building multiprocessor computing systems, allowing independent recording and sampling of information by different processors. The invention of the invention of the three devices with simultaneous sampling of several words on auth.St. No. 542241, characterized in that, in order to increase reliability, an address write block, a flip-flop trigger, a write direction register and two groups of AND elements are entered into it, the first inputs of the AND elements of the first group are connected to the outputs of the address recording block, the second to the outputs of the address block, and the outputs - to the inputs of the triggers of failure, the outputs of which are the outputs of the device, the first inputs of the elements of the second group are connected to the outputs of the register of the recording direction, the second with the outputs of the address recording block, and the outputs from one of the corresponding inputs The storage elements, the inputs of the write address block and the register of write directions are one of the inputs of the device.