CEMA MICROELECTRONICS PRODUCTS DISPLAYED AT LEIPZIG FAIR

Created: 12/5/1989

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Oerman

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JPRS Report

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Report Date;ecDC Number;

Division: EAST EUROPE Report Subdivision: MICROELECTRONICS

of Document: East Berlin MIKROPROZBSSORTECHNIK H.J. Hill. K. Weiss] Report Name: Europe Table:

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Headline: CEKA Microelectronics Products Displayed at Leipzig Fair

Source Line: ast Berlin MIEROPROZBSSORTECHNIX in Geraan Aug B9

Subslug: (Report on the Leipzig Spring Trade9 by H.J. Hill. U. Weiss]

FULL TEXT OF ARTICLE:

[Report on tha Leipzig Spring Trade9 by H.J. Hill, H. Weiss]

[Excerpt] The first part of our report from tha Leipzig Spring9 (LFM 'B9) in9 was devoted to the fair's theme of "Flexible Automation" and to mini- and microprocessors. The sncond part will deal with the exhibits of computer peripherals, PC applications and networks, components, and software.

Peripherals

An indlspenaable requirement for Computer Aided Design (CAD) is graphic design capability, which is usually achieved by means of plotters. The new Al Plotter Kproduced by the collective combine Robotron.esolutionmrawing speed ofTechnical drawings can be produced with standard boundaries and title blocks using expanded margins. The drawings can be produced on white paper aa well as on transparent paper or foils in eight line widths or colors. The data buffer hasbytes.

The Polish. Mora Poltik Lodz offered the A4 Plotteredium drawing speedesolutionmm. Its compactakes it very suitable for office installation. Centronics4 are available as interfaces. It has four pins and can produce both text and graphics.

The Erik*7 typewriter by Robotron. also introduced for the first time at the. can be usedrinter. Its advantage over the precursor model6 lies in the fact that its print wheel has been placedassette to accelerate replacement; changing the ribbon was also greatly facilitated. Instead of thenterface module,7 possesses only one unimodule, which contains the Centronics. Commodore,4 interfaces. Print wheels with IBM. Schneider. Commodore, and typewriter character sets are also available. The operating modes of the individual interfaces can be modified with DIL

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(dual-in-line)-switches present in the unimodule.

PC Applications and networks with PCs

The development of computer technology has caused the demand for computer linkage to rise, with the emphasis less on the transfer of data than on joint usage of large amounts of data. The most common computer networks today are still the LANs (Local Areaobotron was represented at thehis tine with the new LAN EC-NET. It is constructed fromomponents and is used exclusivelyink to the personal computerhe program package EC-NET with tho operating system0 serves the worldwide NETBIOS interface. It includes such functions as sending, receiving, and storing data and offers diskettes, dictionaries, and printers for joint usage in tho LAN. Access to the network is via programs such as dBase III Plus and ARIADNE, via computer languages suchASCAL, and via DCP commands such as DIR and COPY.

In addition, Robotron presented new applications for the SCON-LAN. Alongside programs for literature research and joint databank usage, it demonstrated linkage with digital radio link technology. The digital radio link devices0 are used in order to transmit data over long distances and difficult terrain features. They can link individual remote SCOM-LAN users as well as several LANs. The distance between two radio link stations can be as much asm. ransmission path containshannelsransmission speed of up tobits per second. If the number of data stations to be linkedata mulitiplexers are inserted, which combine several data signals of medium bit rates6bits per second) to one signal ofrbits.

The Hungarian firm Videoton madeh appearance in Leipzig. It presented, among otherethod of integrating an4OVELL-LAN. The ARC-NETransmission speedbit/s) or theM bit/s) were offered as associated hardware. Theit microprocessoras used as the server. LAN-users can be the, ther Other XT- or AT-compatible computers. The network software is compatible with the Novell Advancedr the Novell System Fault Tolerant. It contains functions such as controlled access to joint data, systems for directory backups and file identification tables, parallel treatment of magnetic disks, as well as continuous checks and error messages. Linkage with the Bthernet network of the VTnd1 can be achieved using gateway data transmission.

In our report from the Budapest Trade8 (see) we showed how0 can be equipped to acteleprinter. The Hungarian firm Triton developed the necessary connecting pin board

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and software packagehich were demonstrated at thet the Robotron and Triton booths, with the Telex-PC, individual telex users in the national and international telex network can be reachedial system. In addition, and without interfering with these services, it permits the processing of, for example, routine office tasks.

Components

--Microprocessor circuits The microprocessors theBit system after0 produced by the collective combine Mlkroelektronik Erfur. Its proposedomponents will make it possible toew generation of personal computers and control systems (for example. The four new types (sic) of this system first shown at the spring trade fair are the central processing unit (CPU), the bus controller, the DRAM controller, and the error detection and correction (EDO circuit.

The, which is downward compatible to0USSR) will runaximum ofHz. Its main improvements are the two addressing modes, real and protected, and its complete storage protectionequirement for multitasking. Theus controller decodes the status signals of the CPU and then produces the corresponding read and write commands for the bus of the computer. The DRAMacilitates the formatting of dynamic memories, which can consistbits. It controls an address spaceaximumbytes and is suitable for driving Dual-Port RAMS. In conjunction with the, it allows for the detection and correction of errors as well as the simple formatting of large memory arrays. These four circuits ofystem were already thoroughly presented in

Alongside the still dominant NMOS technology, CMOS technology is becoming increasingly prevalent in microelectronics. The classic advantages of NMOS technology--larger scale integration, higher speed, lowerre being counterbalanced with the further development ofechnology.amily of microprocessors from Mlkroelektronik Erfurt is theit CMOS family produced by the GDR. The following circuits were on display in Leipzig;O0, , , andith Clock timesHz C02) Hz O0 All circuits of this family are software- and hardware-compatible withamily and have the advantages of less current consumption and higher reliability. The following tableomparison of current usageHz) :

To further decrease current consumption, the circuits ofO0 system can power down when no computer activity is necessary.

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Activation of this mode is controlledlock generator/controller

(cgc).

yatam will be presented in detail in an upcoming issue.

The collective combine Mikroelektroolk Botevgrad (VR Bulgarian) offeredBit microprocessor systemor the first time in Leipzig. It is compatible with Intelhe switching circuits CPU. dram Controller. Floppy Controller, and Hard Disk Controllerere exhibited, among otheru.

Surface mountoblo devices (SMDs) are becoming more widespread internationally because they occupy less space. Mlkroeloktronik Erfurt has responded to this trend withit one-chip, as well ae theKbit4 and the windowless 32 Kbit 2 as SMDS.

--ASICs Parallel to traditional devices in SMD design, the space requirement of entire circuits can be reduced much more affectively by using application-specific integrated circuitshich in turn can be SMDs. The Carl Zeiss jena collective combine has been offering two different ASIC typosear, the CMOS Gate Array0 and the standard cellularSOO/20 0 differs from0 only in the number of wiringhe Gate Arrays on prefabricated silicon dices require that the number and position of the functional elements and chip surfaces and pin numbers be constant, ln return for which they can ba obtained more quickly and at less cost. The standard cellular circuits, on tho other hand,arying number and position of standard cells and differing chip surfaces and pin numbers. The further developments of0ystems now presented are the Gate Array0 or the Standard Cellularhe development of the integration scale of these ASIC types is due to the number of transistorship.

Both systems include inverters (with and without driverasic gates (such ae nand, nor, xor. xand. and combinatorialalf and full adders, JKaster slave flipflops, as woll as many input and output levels with andlipflops or Schmltt-trigger/Tristate action. The gate delay time in both systemsaximums. with0lock frequency ofHs.- its static current absorption is less The clock frequencies of0 depend on the type of Master. The12 can have clock frequencies ofrHs; their static current absorption is lessmA. Zeiss isesign system called Archimedes for the gate arrays (see alsof our LFM report as well aa.

ukclassifzed

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he design system EMSIC is available for standard cells.

--storage circuits It is known that the collective combine Carl Zeiss JENA is directing major efforts toward developing dynamic and static RAM circuits. Whereasbit- gram CMOS technology was premiered at the, at this yoar's spring trade fairbit- gmm CMOS technology was already available for presentation. Both circuits will belong to the standard equipment of modern personal computers and workstations.as exhibited withchannel DIL duroplastic casing, but can also be deliverederamic casing. It will be available with access timess,s). Its input and output are TTL- and CMOS-compatible. It currentlytructureit and can work inifferent operation and refresh modes.s compatible with comparable international types such as the0 (Toshiba) and the0n, this circuit will be presented in further detail.

In order to construct large storage arrays that occupy minimum space, the collective combine Keramische Werke Hermsdorf has begun tobit chips as wellbit chips on ceramic substrates, which result in circuitsbit storage capacity.? containships ofircuit, which eacheramic base condenser and togetheremory6 bits.7channel DIL casing (row5 mm;m;rn) and is offered only with an access times. Another model of this circuit istorage structureits.2 circuitchannel SIL-structure, on the other hand, is constructedhips ofbit RAM (also eachhistorage capacityits.

Memory circuits were also exhibited at the booth of the collective combine Mikroelektronik Botevgrad: Kbit DRAM4 (structure:echnology; NMOS; access times:s), bit SRAM4 it; CMOS;, ,s) , andKbit EPROM SM it; NMOS;s) .

Software

To demonstrate Robotron'sbit technology, Robotron Berlin exhibited the Portable Economic Software System POESY. It performs the functions of cost accounting, wage and salary calculation, basic resource, investment, and materiel calculation, performance and benefit analysis, and calculation results. All the elements of this system can be installed individually or combined

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with one or all other components. This is to ensure simple management through an easily surveyed programenu-driven selection of program parts, error determination,OESY will be steadily developed and improved and adapted to new technology. It is offered foritS with the SCP operating system,0 with thend0 PCs and4 with DCP; in the absenceard disk, work can be accelerated with the supportAM disk.

Robotron also demonstrated possible applications of the4 in Arabic and Chinese text editing. The AL-BAYAN system with the DCP operating system allows Latin and Arabic characters to be edited, manipulated, configured, and printed within one text. In the arabic editing mode the individual characters are written on the screen from right to left, as is customary. Either English or Arabic can be chosen to drive the menu. The ALBAYAN system also has numerous functions for comprehensive text manipulation and configuration.

with the Chi-Easy system, Chinese characters can be input to the PCs using the operating system MS-DOS. In order to input the desiredpecially coded character pattern is usedeading pin is passed over the character as in normal writing.aximumtrokes is necessary forharacters contained in the character set, because after each newf the most common characters containing those strokes are displayed, selected and written on the screen. In SS percent of the cases, the desired character is found after the second stroke. The texts can also be outputrinter.

nowledge-based development of problem-specific software usingystem, programs in various target program languages can be written, including already existing program libraries. By modifying or exchanging the installed knowledge base, the system can be adapted very easily to the most diverse tasks. The software developer is providedodern and effective means for developing computer-based software, and the end user is provided with extremely flexible application software andonvenient and efficient tool for software documentation and maintenance. Withystem, the user can work in the program development mode and the programmer can work in the editing mode. Work is facilitated by numerous service functions, such as the graphic representation of program structures and the superimposition of verbal and graphic help and control functions using window technology.ystem was developed by the Academy of Sciences of the GDR and to date has been successfully installed in the following packages; Xamba (production of programs for microscope imagefortran (production of programs for evaluating pictures of the humannd Xdbase as an intelligent databank interface.

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As in previous Leipzig trade fairs, software solutions were also exhibited at Karl Marx University during9 spring trade fair that were developed in the framework of scientific and student research work.

The Technical Electronic Section of wilhelm Piock university Rostock was represented with the comForth programming system, whichortable and interactive environment for developing process-oriented software in Forth.

In addition to the base system,x version of the comForth system contains components that can be added later, suchrogram collection for data types, number inputs,eaderless help definitions for modular-oriented programming, and screen and keyboardordstar-compatible editor, assembler, and debugger are also offered, as well as additional specific functions of the respective operating systems. The comForth system is to be offered immediately forZnddd-ons, suchumerical package (flow comma and matrixhe multi-task system for process automation tasks, and the Cross-compiler are being developed and are already available for some processors.

The menu-driven statistics package PSYSTATBit PCs using MS-DOS was shown by Karl Marx Universityomewhat stripped-down version of the package is to be available for0 as of Immediate applicationonversation-oriented operating method is to be made possible without any special prior knowledge of computer technology. The program is characterized as much by its comprehensive help menus aimed at possible user operations, constant data on the actual statistical process, and the instantaneous operation of the computer, as it is by the lack of diversity in the statistical processes of given add-on possibilities through user algorithms,raphic data presentation.ew of the possible statistical algorithms are mentioned here, such as variance, variance width, ranking, frequencies, percentage ranks, histograms, multiple linear regression with up to SO influencing variables and graphic output of function and point cloud, as well as several processes for factor, cluster, and discriminant analysis.

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