To better understand the changes introduced with the new virtex 5 family architecture, the virtex 4 architec ture must be briefly summarized. How to get the best performance and utilization from xilinx virtex5. Virtex 5 is the latest generation of devices of producer xilinx. None this course focuses on the virtex 5 architecture. After completing this comprehensive training, you will know how to. Therefore, a 5 lut 2 lut combination is also available. Lut lookup table functionality lookup tables are primary. Lookup tables virtexe function generators are implemented as 4input lookup tables luts. Virtex5 fpgas boast a wide range of new architectural features, such as 6input lookup. The dut is configured to have various test structures that are geared to measure specific potential susceptibilities of the device. Figure 2 shows the fundamental architecture of the altera stratix iii fpga. Xilinx virtex5 rocketio gtp user manual pdf download.
Virtex is an international bitcoin and litecoin trading platform. A mix of lut sizes are produced, and the majority of functions are not 6luts. Virtex5 fpga logic cell ratings reflect the increased logic capacity offered by the 6input lut architecture. The following table shows some other main features of the ff676 package. Furthermore, the two luts within a slice can be combined to create a 16 x 2bit or 32 x 1bit synchronous ram. Xilinx offers a comprehensive multinode portfolio to address requirements across a wide set of applications. An overview of some of the more significant virtex 5 architectural features are as follows. The huge capacity of virtex5 fpgas coupled with architectural features such as 6. Advantages of the virtex5 fpga 6input lut architecture.
What ise software versions support virtex 5 rad ha. Xilinx ds100 virtex5 family overview lx, lxt, sxt platforms. Whether you are designing a stateofthe art, highperformance networking application requiring the highest capacity, bandwidth, and performance, or looking for a lowcost, small footprint fpga to take your software defined technology to the next level, xilinx. Virtex5 is the latest generation of devices of producer xilinx. The xilinx virtex series fpga 6 1192003 ece 554 11 figure 4. Virtex6 and spartan6 share architecture, technology, software different emphasis on cost, performance, power, size, packagi ng. Virtex5 fpga family virtex5 fpga user guide chapter 5. Preface aboutthisguide thisschematicguideispartoftheisedocumentationcollection. Table 1 gives an overview of the differences between the virtex4 and virtex5 family configurable logic blocks clbs. In addition to operating as a function generator, each lut can provide a 16 x 1bit synchronous ram. Virtex 5 devices are also based on xilinxs new expressfabric technology, which features luts with 6 independent inputs for fewer logic levels, and a new diagonal interconnect architecture that facilitates shorter, faster routing.
The virtex5 series is a 65 nm design fabricated in 1. In order to address these issues, the synplify pro software which features a. The innovative virtex5 architecture, which is based on a real 6input lut with. Virtex 5 fpga family members device configurable logic blocks clbs dsp48e slices2 block ram blocks cmts4 powerpc processor. Xilinx virtex5 is the most popular fpga, that contains a look up table lut which is connected with mux, and a flip flop as discussed above. The huge capacity of virtex5 fpgas coupled with architectural. Xilinx wp284 advantages of the virtex5 fpga 6input lut. The lookup tables luts in virtex6 fpgas can be configured as either 6input lut 64bit roms with one output, or as two 5input luts 32bit roms with separate outputs but common.
Virtex ii pro fpga performance analysis 5 routing delay is also a reference point for determining the overall fpga performance. Detailed view of virtex slice logic function implementation 2 function generators each a 4input lut implements any 4input function f5 multiplexer combines two luts with. Xilinx virtex5 dualoutput lut download scientific diagram. Other current product lines include kintex midrange and artix lowcost, each including configurations and models optimized for. Their work targets dualoutput lut architecture, which is supported in xilinxs virtex5. The stratix family is designed to have an outstanding routing architecture to allow optimal speed and rout ability for a design. Figure 1 shows the fundamental architecture of the xilinx virtex 5 fpga. A new lut and carry structure embedded in the configurable logic block of an fpga is proposed. Compared to its predecessor virtex4, virtex5 uses 6input lut in combination with. Virtex5 slices are organized differently from previous generations. In addition, xilinx offers the spartan lowcost series, which continues to be updated and is nearing production utilizing the same underlying architecture and process node. Virtex5 family the ultimate system integration platform based on the successful asmbl advanced silicon modular block architecture, the virtex5 family includes four domainoptimized platforms for highspeed logic, digital signal processing dsp, embedded processing and serial connectivity applications. For some products, newer alternatives may be available.
Virtex5 fxt dev board virtex5fxtref this product has been released to the market and is available for purchase. The virtex5 lx50 fpga feature 12 dcms, 6 plls, and 1. Present fpga consists of about hundreds or thousands of. The sharing of inputs between lu ts is very common in fpga designs. Ece 545 required reading lecture 9 fpga devices introduction. Virtex5qv investigation overview this is an independent study to determine the single event destructive and transient susceptibility of the xilinx virtex 5qv sirf device. Compared to its predecessor virtex 4, virtex 5 uses 6input lut in combination with an enhanced routing architecture and a shift from. Xilinx developed the virtex5 ethernet mac from the virtex4 fx ethernet mac, making improvements in the areas of global clock usage, serial interface flexibility, and software control complexity. The sharing of inputs between luts is very common in fpga designs, and the quartus ii software automatically. It focuses on the architectural specifications of the fpga generation of xilinx virtex5 devices. One stratix ii alm can be configured to implement a 5 lut and a 4 lut.
Using the second generation asmbl advanced silicon modular block columnbased architecture, the virtex5 family contains four distinct platforms subfamilies, the most choice offered by any fpga family. Advance product specification 4 r architectural description virtex5 array overview virtex5 devices are userprogrammable gate. Designing with virtex5 embedded trimode ethernet macs. The huge capacity of virtex5 fpgas coupled with architectural features such as 6input luts mandates the use of specialized synthesis tools with customized algorithms. In addition to containing four of these 6input luts, a virtex5 slice also. Virtex5 logic cell ratings reflect the increased logic capacity offered by the new 6input lut architecture. Virtex5 devices are also based on xilinxs new expressfabric technology, which features luts with 6 independent inputs for fewer logic levels, and a new diagonal interconnect architecture that facilitates. Edn how to get the best performance and utilization from. Mar 18, 2009 an overview of some of the more significant virtex5 architectural features are as follows. With the virtex5, xilinx changed the logic fabric from fourinput luts to.
Virtexii pro fpga performance analysis 1 november 2004, ver. The virtex5 family is based on the asmbl architecture, which provides customers with a wide selection of devices with an optimal mix of logic, ios and hardened ip blocks for logicintensive, embedded. How to get the best performance and utilization from xilinx. Each dsp48e slice contains a 25 x 18 multiplier, an adder, and an accumulator. Check with your local authorized training provider for specifics or other customizations.
In addition to containing four 6input luts, a virtex5 slice also includes faster. For configuring the fpga, modelsim and xilinx ise softwares are used to generate a bitstream file and for development. Virtex is the flagship family of fpga products developed by xilinx. A new fpga with 45input lut and optimized carry chain. Sep, 2006 overall, the virtex5 family provides 65% more logic cells up to 330,000 lcs as compared to their virtex4 counterparts. Taking this into account and applying the rents rule 2, it can be calculated that the necessary quantity of links within lb in virtex5 is 50% higher, provided that the. Using the second generation asmbl advanced silicon modular block columnbased architecture, the virtex5 family contains five distinct platforms subfamilies, the most choice offered by any. Xilinx, achieving higher system performance with the. The xilinx 6input lut is a lookup table wi th a total of 64 bits of logic programming space and 6 independent inputs. Aseparateversionof thisguideisavailableifyouprefertoworkwithhdl.
The lut is designed to support both 4input and 5input structures, which can be configured by users. Each virtex 5 slice contains four luts and four flipflo ps previously it was two luts and two flipflops. Virtexii overview virtexii architecture active interconnect technology clock management io standards memory hierarchy configurationdata security packages conclusion xilinx apd. Virtex5 the first fpga device fabricated at the at the 65 nm technology node. Clb 1st ring 2nd ring 751 ps 906 ps 665 ps 723 ps 1st ring of clbs 2nd ring of clbs. Virtex5 family the ultimate system integration platform based on the successful asmbl advanced silicon modular block architecture, the virtex5 family includes four domainoptimized platforms for. Virtex5 devices are also based on xilinxs new expressfabric technology, which features luts with 6 independent inputs for fewer logic levels, and a new diagonal interconnect architecture. Xilinx, achieving higher system performance with the virtex5. Targeted towards experienced xilinx users who have already completed. The xilinx 6input lut is a lookup table with a total of 64 bits of logic. Product updates, events, and resources in your inbox. What ise software versions support virtex 5 rad hard sirf fpga.
The new sixinput lut represented a tradeoff between better handling of increasingly complex combinational functions, at the expense of a reduction in the absolute number of luts per device. Xilinx unveil revolutionary 65nm fpga architecture. Section 3 describes a packing approach for using both lut outputs to produce higher logic density and reduced circuit power, while minimizing the performance impact of the slower o5 output. Each lut output can optionally be registered in a flipflop. Virtexii overview virtexii architecture active interconnect technology clock management io standards memory hierarchy configurationdata security packages conclusion xilinx apd apps, 0202 5.
Topics covered include a virtex 5 fpga overview, the clb, dcm and pll, global and regional clocking techniques, memory, dsp and arithmetic logic, and sourcesynchronous resources. The difference hides in the number of lut element inputs, which are 50% more in the case of virtex5. A single virtex5 fpga clb comprises two slices, each containing four 6input luts and four flipflops twice the number found in a virtex4 fpga slice, for a total of eight 6input luts and eight flipflops per clb. The virtex5 family introduces some additional differences in its logic architecture. None this course focuses on the virtex5 architecture. Other current product lines include kintex midrange and artix lowcost, each including configurations and models optimized for different applications. Xilinx unveils 65nm virtex5 family industrys highest. Fpga architecture altera corporation 6 focusing on the speed optimization results, the key findings include. Each virtex5 slice contains four luts and four flipflo ps previously it was two luts and two flipflops. Overall, the virtex5 family provides 65% more logic cells up to 330,000 lcs as compared to their virtex4 counterparts. The virtex 5 family introduces some additional differences in its logic architecture. In addition to operating as a function generator, each lut can provide a 16 x 1bit. Each ble features a single lut element with k inputs and a dtrigger. Advance product specification 4 r architectural description virtex 5 array overview virtex 5 devices are userprogrammable gate arrays with various configurable elements and embedded cores optimized for highdensity and highperformance system designs.
Present fpga consists of about hundreds or thousands of configurable logic blocks. Taking this into account and applying the rents rule 2, it can be calculated that. Jul 22, 2009 the lookup tables luts in virtex6 fpgas can be configured as either 6input lut 64bit roms with one output, or as two 5input luts 32bit roms with separate outputs but common addresses or logic inputs. Figure 1 shows the fundamental architecture of the xilinx virtex5 fpga. This bodes well for the usability of the second lut output. Xilinx virtex5 libraries guide for schematic designs.
Table 1 gives an overview of the differences between the virtex 4 and virtex 5 family configurable logic blocks clbs. The virtex 5 lx50 fpga feature 12 dcms, 6 plls, and 1. Hitech global virtex5 lx330tfx200tsx240t multi purpose. Using the second generation asmbl advanced silicon.
A single virtex5 clb comprises two slices, with each containing four 6input luts and four flipflops twice the number found in a virtex4 slice, for a total of eight 6luts and eight flipflops per clb. A single virtex5 fpga clb comprises two slices, each containing four 6input luts and four flipflops twice the number found in a virtex4 fpga slice, for a total of eight 6input luts and eight flipflops. Device number of slices blockram kb xtreme dsp slices dsp48e slices xc5vlx50 7,200 1,728 128 48 table 2 5vlx50 features please refer to the virtex 5 data sheet for a complete detailed summary of all. Early access software for virtex5 fpgas is available now, with general. How to get the best performance and utilization from. Ise software and the altera quartus ii software, using synplify pro netlists. Virtex 5 fxt dev board virtex 5 fxtref this product has been released to the market and is available for purchase. Xilinx virtex6 and spartan6 fpga families hot chips 21, august 2009. Virtex 5 block rams are fundamentally 36 kbits in size. Creating basic hardware and software for the virtex5. Xilinx virtex5 65nm fpga family signal processing design.