Kusum sahu associate head, code 562 10292004 purpose the purpose of this paper is to provide an overview of the actel field programmable gate array fpga issues and investigations to date, provide information to gsfc parts engineers on the risks associated. The logic fabric and routing architecture in altera fpgas are unmatched, providing customers with a number of advantages. Sram bus architecture and interconnect to an fpga us7170315b2 en 20030731. The igloo family of fpgas was based on actel s nonvolatile flash technology and the proasic 3 fpga architecture. Igloo plus fpgas with enhanced io capabilities, and igloo nano fpgas, a low power solution at 2 w. Lewis, routing architectures for hierarchical field programmable gate. Actel s integrator series fpgas are the first programmable logic devices optimized for highspeed system logic integration.
A nano version of proasic3 also became available in 2008. These logic modules are interconnected with an abundance of segmented routing tracks. This report describes a construction analysis of the actel a1440a field programmable gate array fpga. You are familiar with fpga architecture and fpga design software. Accelerating fpga routing using architecture adaptive a techniques akshay sharma actel corporation mountain view, ca 94043, usa akshay. The major elements of the actel fpga architecture are thus the io modules, interconnect resources, clocking resources, and logic modules. Testing and programming actel field programmable gate arrays.
Open up a new sheet for this design by selecting open sheet and call it chip1. The actel sxa family architecture provides a sea of modules with a grid of logic modules covering almost the entire integrated circuit reference 6. Each processor uses from one to three actel 1020a fpgas and standard memory chips. Sxasx architecture cpld fpga integration fpga cpld actel sxa fpga cpld cpld 8b10b encoder for 1 gigabit ethernet router with 125 mbytesec sustained data throughput. Introduction as computer designers explore the potential of parallel computing systems, they are faced with. It combines theadvantages of asics with the benefits of programmabledevices through nonvolatile flash technology. Each actel fpga family has a slightly different mix of these resources, optimized for different cost. Finally, a set of best performing architectures in terms of area and delay. Asics, actel s sxasx fpgas are the highperformance, lowprice leader. Examples in both vhdl and verilog code are provided to illustrate these coding styles and to help implement the code into your design. Sharif university of technology 3 fpgas comparison altera flex xilinx lca sram plessy altera max xilinx eplds eprom actel quicklogic antifuse mux lut andor layoutrouting zrowbased. The advantages of the 32bit cortexm1 processor in actel.
Xilinx lca family the xilinx lca family employs lutbased logic cells. The core of the device consists of simple logic modules used to. Qml certification is a good example of actel s commitment to. Userdefinable ios are capable of driving at both ttl and. The combination of finegranularity, enhanced flexible routing resources, and.
Actel builds the most reliable field programmable gate arrays fpgas in the industry, with overall antifuse reliability ratings of less than 10 failuresintime fits, corresponding to a useful life of more than 40 years. Devices are implemented in silicon gate, 1micron twolevel metal cmos, and they employ actel s plice antifuse technology. Architecture the basic building block of all actel fpgas is the logic module. Actel corporation, in act1 series fpgas features 5v and 3. Information that is meant to be input by the user is formatted as follows. The actel sxa family of fpgas offers a costeffective, singlechip solution for lowpower, highperformance designs. Actel proasic a3pe3000lpq208 field programmable gate. The constant coefficient architecture is a multiplierbased architecture for higher throughput. Hirel fpgas unique architecture offers gate array flexibility, high performance, and quick turnaround through user programming. Design space exploration of field programmable counter. Of course we will port our design to other families, e.
Testing and programming actel field programmable gate. This application note focuses mainly on actel s ex family, but most of the discussion also applies to actel s sx and sxa families. In a chip with 320 cells, 64,160 programming bits are required, or approximately 200 bits per cell xilinx 1991. The da architecture uses add and shift operations to perform. Document conventions the following conventions are used throughout this manual. Module organization actel has arranged all ccell and rcell logic modules into horizontal banks called clusters. Based on actel s patented channeled array architecture, the act 2 family. Qml certification actel has achieved full qml certification, demonstrating that quality management, procedures, processes, and controls are in place and comply with milprf38535, the performance specification used by the department of defense for monolithic integrated circuits.
Cyclic redundancy checking of a field programmable gate array having an sram memory architecture us7146441b1 en 19980316. All actel devices include onchip clock drivers and a hardwired distribution network. Currently, the actel architecture suits our needs for aerospace, radiation tolerant design quite well. In addition, it delivers high performance and it is synthesis ef.
Corefir is an actel fpga optimized rtl generator that produces a finite impulse response filter. The underlying architecture of an actel fpga is very similar to that of a conventional gate array. Us20060193181a1 sram bus architecture and interconnect to. Actels sx family of fpgas is implemented in highvoltage twinwell cmos using three layers of metal and 0. Fpgas offers a variety of package, speed, and application combinations.
Before an fpga design can be placed and routed using the actel tools, input and output io pad buffers from the actel library must be added to the design. Flashbased fpgas store their configuration information in onchip flash cells. The combination of finegranularity, enhanced flexible routing resources. The actel smartfusion is the industrys first intelligent mixed signal fpga and the only device to integrate a flash fpga, hard arm cortexm3based microcontroller subsystem, and programmable analog. The second section provides some design techniques for minimizing power in the system.
Apa150tqg100 datasheetpdf 5 page actel corporation. It covers a range of 35k to a million usable gates. In addition to the actel standard qualification burnin, actel has added a second test vehicle, based upon nasa off ice of logic design work, dedicated to. Fpga architecture field programmable gate array logic gate. A new reprogrammable fpga architecture is described which is speci. Application note introduction to actel fpga architecture. You are familiar with actel fpga architecture and actel fpga design software. This guide is available in pdf format on the designer. This manual describes the design flow and user interface for the actel designer series software, including information about using the actgen macro builder. Actel certified asic partner, minimizes conversion risks asics fabricated by umc, an actel foundry partner conversion facilitated by finegrained architecture supports all actel flash fpga products pinforpin actel single point of contact throughout product life cycle supports commercial and industrial temperatures. Featuring a seaofmodules architecture, these devices are able to deliver integration at performance levels previously limited to asics.
What has been lacking in the market is an fpga optimized, 32bit processor based on an industrystandard architecture. Corefir finite impulse response filter generator actel. The act 2 family represents actel s second generation of field programmable gate arrays fpgas. Fusion is the definitive mixed signal fpga platform. These modules are optimized for both combinatorial and sequential designs. Lattice semiconductor xilinx systeminapackage solution.
Actel smartfusion fpga available from mouser electronics. The unique architecture offers gate array flexibility, high performance, and instant turnaround through user programming. This manual provides an introduction to the designer series software as well as an explanation of its tools and. Actel proasic a3pe3000lpq208 field programmable gate array. Device architecture actel s rtaxs architecture, derived from the highlysuccessful sxa seaofmodules architecture, has been designed for high performance and total logic module utilization figure 11. Standard cmosdesign techniques are used to implement logic and control functions. Sea of modulesan evolution in architecture the seaofmodules architecture is enabled by actel s patented metal. May 28, 2014 11 actel fpgas actel fpga uses multiplexer based logic cells the multiplexerbased logic module is typically composed of a tree of 2to1 muxes. Lecture 12 department of electrical and computer engineering. Interfacing and control logic in oc192 10gbs line cards. The core of the device consists of simple logic modules used to implement the required logic gates and storage elements. With an architecture similar to a channeled gate array, logic.
Based on channeled gate array architecture each logic element labelled l is a combination of multiplexers which can be configured as a multiinput gate finegrain architecture act 1 simple logic module the act 1 logic module lm, the actel basic logic cell three 2to1 mux 2input or gate the act 1 family uses just one type of lm act 2. This architecture is loosely based on an earlier reprogrammable actel architecture. Device utilization is typically 95 percent of available logic modules. A block diagram of a generic actel fpga is given in figure 1. Actel device architecture the underlying architecture of an actel fpga is very similar to that of a conventional gate array.
A1280xlpl84pp of actel integrator series fpgas fpgakey. The act 2 family presents a twomodule architecture, consisting of cmodules and smodules. A new high density and very low cost reprogrammable fpga. All signal routing is performed in the top two metal layers on the chip, thus maximizing the silicon area. A rowbased architecture is used in which the logic cells are arranged in rows with horizontal routing channels between adjacent rows of logic cells. Module organization actel has arranged all ccell and rcell logic modules into horizontal banks called. The online manuals are in pdf format on the cdrom in the.
Because flash is nonvolatile, once programmed, the configuration data is an inherent part of the fpga structure. Actel certified asic partner, minimizes conversion risks asics fabricated by umc, an actel foundry partner conversion facilitated by finegrained architecture supports all actel flash fpga products pinforpin actel single point of contact throughout product life. For more information concerning the flash fpga implementation, please refer to the boundary scan jtag section on page 111. This document provides the preferred coding styles for the actel architecture. Fpga vendor xilinx, intel altera, microsemi actel, lattice project specification 22022018 advanced fpga design, isotdaq 2018, vienna 22 small fpga vendors may target specific markets microsemi offers high reliable fpgas fpga gateware design work flow fpga marketshare by. The basic architecture of actel fpga is similar to that found in mpgas, consisting of rows. Using this library, circuits are assembled using the viewlogic suite of schematic capture and simulation tools viewlogic 1991, and then placed and routed onto the actel device using the als tools from actel actel 1991. Each logic module is programmable and capable of implementing all twoinput logic functions, most threeinput functions, and many other functions up to eight inputs. Detailed discussions on these architectures can be found in the corresponding. The online manuals are in pdf format on the designer cdrom and. Unlike traditional fpgas, the entire floor of the rtaxs device is covered with a grid of logic modules, with virtually no chip area lost to.
Among onetime programmable fpgas, actel is the most common elayat 1989. The information is to be used as reference material with instructions to optimize your hdl code for the actel architecture. This guide contains information about designing an actel fpga using the actmap vhdl synthesis tool, including preferred hdl coding styles and design considerations. Two devices packaged in a 160pin plastic quad flat pack date coded 9424 were received for the analysis. Actel rtaxs series fpgas key testing and results 1. We would like to show you a description here but the site wont allow us. I only tried to mention the idea because it may be useful somewhere again, in general. Actel fpgas have been production proven, with more than five million devices shipped and more than one trillion antifuses.
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