SU1307577A1 - Matrix switching device - Google Patents

Abstract

The invention relates to the field of automation and computer technology and can be used in devices intended for electronic switching of digital signals, for which the rewriting time of the switching path is comparable to the duration of the switched signal, and also as an interprocessor switch with preservation of the 3x1 route (gtf / X. F 0b / hg (L so about JV

Description

switching at power off in multiprocessor computing systems. The purpose of the invention is to respond to speed. The device contains n rows of storage magnetic conductors 1, n formers of 2 pulses of commutative signals, n rows of windings 3 records, m columns of read windings 5, m amplifiers 8 readings, 2iTi x n switching magnetic carriers 9. Records of m columns of windings 6 records are entered in the device - erase, m formers 7 pulse1

The invention relates to automation and computing, namely, devices intended for electronic switching of digital signals for which the rewriting time of the switching path is commensurate with the duration of the switched signal, and can be used as an interprocessor switch with preservation of the switching path when power is disconnected in multiprocessor switches. computing systems.

The aim of the invention is to increase speed.

The drawing shows an electrical diagram of the proposed device.

The matrix switchboard contains n rows of storage magnetic circuits 1, n formers 2 pulses of switched signals, n rows of windings 3 records, n-1 formers 4 write pulses, m columns of read windings 5, m columns of windings 6, write-erase, m formers 7 write pulses -washing, m read amplifiers 8 and 2 mn switching magnetic carriers 9,

Each of the magnetic storage circuits 1 is electrically connected by one output to the code of the corresponding driver 2 pulses of switched signals, and e) by a coal output to a common bus 10. Strings of windings 3 of C inside which the write windings are connected consistently connected by one of the write-erase lines, n-1 shapers 4 write pulses. The drawing also shows ht) i: common bus 10, the control inputs of columns 11 for writing,

12d erase, control 10o; s inputs

13 lines, device outputs 14, device information inputs 15. The use of a random sampling device in writing a connection to a switching cell leads to the achievement of the goal, since erase and write are performed in a single clock pulse in a single column of cells. 1 il.

the house with the output of the corresponding driver 4 write pulses, and the other output with a total length of 10. The read windings 5 are connected in columns according to, both the column outputs are connected to the inputs of the respective read amplifiers 8. The columns of the windings of the 6 write-erase, inside the column connected according to, are connected to the outlets

Formers 7 write-erase pulses. Switching magnetic media 9 magnetic with windings 3 and 6, reading windings 5 and storage magnetic cores 1 in

their intersection by all windings. The control inputs of the write-erase pulse drivers 7 form the control inputs 11 and 12 of the hubs of the switch. (Inputs 11 for recording

and the control inputs 12 for erasing), and the inputs of the shapers of 4 write pulses - the control inputs — 13 rows of the switch. The outputs of the amplifiers, the readings form the outputs 14 of the switch, and the inputs of the drivers 2 of the pulses of the switched signals are the information inputs 15 of the switch. The shaper of 4 write pulses forms a single-pole current pulse in

winding 3 records, and the driver 7 write-erase pulses in the write-erase windings 6 generates current pulses of both polarities depending on the signal at input 11 or 12.

The matrix switch operates in two modes: route recording mode

switching and transfer mode of the switched signals.

The recording of the switching path can be made to an arbitrary switch cell at a given point in time. Before recording, when a pulse is applied to the input 12 of the imaging unit 7 of write-erase pulses, erasing and magnetisation of a column of sections of the storage magnetic circuits 1 by the winding 6 of erasure until saturation occurs. The amplitude of the erase current pulse in the winding 6 is chosen such that the magnetic field created by this current is 2, -2.5 times greater than the coercive force Hg of the storage magnetic material (the erase pulse amplitude is selected from the condition of reliable magnetization reversal

Ma switching carriers return

material of the storage magnetic conductor-20 of the conductor 1 magnetization vectors yes 1). Denote this process as writing O to the switch cell, i.e. the cell is closed, the transfer of the switched signal does not occur. Protected to the starting position. Amplitude and impulses H | selected from the condition of non-destruction of the residual state

It exists when simultaneously writing pulses are fed to the inputs 11 and 13 of the write-erase pulse shaper 7 and write 4, respectively. The amplitudes of the current pulses in the windings 6 and 3 are such that only the total field (the field of the windings 6 and 3 coincide in direction in the storage magnetowire 1) remagnetizes a portion of the storage magnetic core from

state + +, with the field created by one winding 3 or 6 being 0.75 of the coercive force field He

The use of random sampling in the switch when writing a connection to a switching cell allows a significant increase in speed in comparison with the prototype.

The speed of the matrix storage material of the magnetic conductor-tator is determined by the sum of time

spent on recording the connection and transfer of switched signals. B known switch in the basis of the process of recording the routing of pod 1 and does not peremagnichivaet section of the magnetic circuit 1.

spent on recording the connection and transfer of switched signals. In the well-known switchboard, the basis for the process of recording the switching route by switching media 9 is made in the form of discrete elements is the method of ferroacoustic recording form from magnetic information material (recording information in a field having a coercive force tig in

3-4 times less than the scattering field of magnetized 1) 1x sections of memory, magnetic circuits 1 under windings 3 and 6. Under the influence of the scattering fields of sections of memory magnetic circuits 1, switching magnetic media 9 are set to

one storage magnetic circuit is carried out sequentially as the pulse of an ultrasonic wave propagates). In the proposed switch, the recording of time-matched magnetic fields of the half-sampling is used, which makes it possible to obtain a record in an arbitrary cell of the commutation-saturation. The direction of the magnetization-55 R vector erasing and recording the actual saturation of Mg in the switching media is determined by the direction of the residual magnetization vector in the portions of the memory

are per clock pulse in one column of cells. Thus, the proposed switch has more than n times a high write speed.

magnetic circuit 1 under the windings 3 and 6.

In the mode of transmitting switched signals, information signals are fed to the inputs 15 of the formers of 2 pulses of the switched signals. Current pulses create pulses of the magnetic field Nc in the storage cores 1 in a direction perpendicular to the longitudinal axis of the memory core. The field of the switched signal H rotates the magnetization vectors M, switching carriers 9 .. o °

proportional

the value of H.,. Magnetic change

current during rotation creates an emf in the windings 5 of the readout. After the termination of the pulse Nc under the action of the field of scattering of the sections of the magnetically storing switching carriers of the return conductor 1

Scratched to the starting position. The amplitude of the pulses H | chosen from the condition of nondegradation of the state of residual magnetization of the sections of the storage magnetic circuit 1. In this case, the noise immunity is maximum, since the read EMF is in the O and 1 states. heterogeneous and as amplifiers

Readings 8 can be applied to unipolar amplifiers of the type KM170UL8.

The use of random sampling in the switch when writing the connection to the switching cell allows a significant increase in speed in comparison with the prototype.

The speed of the matrix switch is determined by the sum of the time

spent on recording the connection and transfer of switched signals. In the well-known switch, the process of recording the switching route is based on the method of ferroacoustic recording of information (recording information in

the way of ferroacoustic recording of information is false (recording of information in

one storage magnetic circuit is carried out sequentially as the pulse of ultrasonic wave propagates). The proposed switch uses a recording of time-matched half-sampling magnetic fields, which allows recording in an arbitrary cell to switch over one clock pulse in one column of the cell. Thus, the proposed switch has a more than n times high write speed

switching route, which leads to an increase in speed.

Claims (1)

The invention includes a matrix switch containing n rows of storage magnetic circuits, each of which is connected to one output with the output of the corresponding pulse generator of switched signals, m read columns connected according to the inside of the column, the outputs of each of which are connected to the inputs of the corresponding read amplifier, switching magnetic carriers magnetowound with memory magnetic cores in the places of their intersection with the write and read windings, write pulse driver and control Auxiliary entries of columns and rows, characterized in that, in order to increase speed, m columns of write-erase windings are introduced into it. Editor I.Rybchenko Compiled by L. Bagn Tehred M. Khodanich Proofreader M. Sharoshi Order 1641/55 Circulation 902 Subscription VNIIPI USSR State Committee for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5 Production and printing company, Uzhgorod, st. Project, 4 m, write-erase pulses formers and p-1 recording formers, moreover: the write-erase windings are connected inside the column in accordance with and magnetically connected to switching media, the outputs of each of the write-erase pulse drivers are connected to the outputs of the corresponding recording windings -washing, record windings are placed as n lines, in each of which the record windings are connected in series, one output of each record winding line is connected to the output of the corresponding pulse generator c pisi other - with the common bus to which are connected memory -sec conclusions magnitopro- Eodov and control inputs of the recording pulse shaping-erase and write generators connected. with the control inputs of columns and rows, respectively.