Qdrii sram controller megacore function user guide megacore version. The main purpose of this capability is to enable reads and writes to occur at high clock frequencies without the loss of bandwidth due. Sram replacement for tms99x8 vram the tms99x8 video processing unit is intended to directly interface with a bank of 4116 type dram 16k x 1 bit. Features support for burst of two and four memory type support for 8, 18, and 36bit qdrii interfaces. Cyclone ii device package offerings and shows the total number of nonmigratable io pins when migrating from one density device to a larger density device. Cyclone ii device family data sheet, ep2c35a pdf download altera corporation, ep2c35a datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference, obsolete, circuits. This indicates the memory space, according to the memory device data sheet. Cyclone iv fpga device family overview device resources march 2016 altera corporation cyclone iv device handbook, volume 1 up to 532 user ios lvds interfaces up to 840 mbps transmitter tx, 875 mbps rx support for ddr2 sdram interfaces up to 200 mhz support for qdrii sram and ddr sdram up to 167 mhz. Is61qdpb44m18aa1a2 is61qdpb42m36aa1a2 4mx18, 2mx36 72mb. The qdrii sram controller ensures that the placement and timing are in line with qdrii specifications. Width is 17 bits in 4word burst mode, 18 bits in 2word burst mode. Nec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
The fpga user application interface communicates with the on fpga application logic designed by the user. Solution status this issue will be fixed in a future version of the qdrii sram controller megacore. Mos integrated circuitpd44325082,44325092,44325182,4432536236mbit qdrtmii sram2word burst operation datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other. Cypress is committed to offering a complete range of highdensity synchronous sram families, including qdr ddr, ii and ii, no bus latency and standard pipelined and flowthrough products.
On the following rising edge of k clock, the qdrii sram will receive the first data item of the four word burst on the data bus. Battery backup is available l, ll, a, and b versions. Qdr sram devices were developed in response to the demand for higher. Pdf r118 70241k d5611 ic 9022 61c64 61c256 reliability report issi cms 2015 stransistor j 5804 equivalent 24c04. Stratix device handbook, volume 1 101 innovation drive san. Sram replacement for tms99x8 vram retrobrew computers. Cyclone iv fpga device family overview device resources march 2016 altera corporation cyclone iv device handbook, volume 1 up to 532 user ios lvds interfaces up to 840 mbps transmitter tx, 875 mbps rx support for ddr2 sdram interfaces up to 200 mhz support for qdrii sram and ddr sdram up to 167 mhz up to eight phaselocked loops. The rising edge of k clock initiates the readwrite operation, and all internal operations are selftimed. Sram datasheet, sram pdf, sram data sheet, sram manual, sram pdf, sram, datenblatt, electronics sram, alldatasheet, free, datasheet, datasheets, data sheet, datas.
The 72mb is61qdpb42m36aa1a2 and is61qdpb44m18aa1a2 are synchronous, highperformance cmos static random access memory sram devices. Qdrii sram controller megacore function user guide november 2009 features table 12 shows the level of support offered by the qdrii sram controller megacore function to each altera device family. This device has an automatic powerdown feature, reducing the power consumption by 99. An sram static random access memory is designed to fill two needs. Dll operation the dll in the output structure of the qdrii sram can be used to closely align the incoming clocks c and c with the output of the data. These srams have separate ios, eliminating the need for highspeed bus turnaround. Sram and timekeeping circuitry are powered from the backup supply when main power is lost, allowing the. Cyclone iv fpga device family overview, cyclone iv device. This datasheet describes configuration devices for srambased. Qdr sram 400 mbps qdrii sram 800 mbps rldram ii 1066 mbps ddr1 sdram 400 mbps ddr2 sdram 800 mbps ddr3 sdram 1066 mbps industrystandard datapath interfaces supported. Please check with an nec electronicssales representative for availability and additional information. Cyclone ii device package offerings and maximum user io pins. Support for qdrii sram and ddr sdram up to 167 mhz up to eight phaselocked loops plls per device offered in commercial and industrial temperature grades device resources table 1 1 lists cyclone iv e device resources.
Cyclone iii device family supports vertical migration that allows you to migrate your device to other devices with the same dedicated pins. In the first role, the sram serves as cache memory, interfacing between drams and the cpu. Cypress delivers the industrys broadest portfolio of 65nm synchronous srams, which includes densities from 1 mbits up to 144 mbits and speeds up to. P726 datasheet, p726 pdf, p726 data sheet, p726 manual, p726 pdf, p726, datenblatt, electronics p726, alldatasheet, free, datasheet, datasheets, data sheet, datas sheets, databook, free datasheet. Alteras main products are the stratix, arria and cyclone series fpgas, the max series cplds, quartus ii design software, and enpirion powersoc dcdc power solutions. Xilinx xapp853 qdr ii sram interface for virtex5 devices. It realizes higher performance and low power consumption by employing 0.
The cy62256 is a highperformance cmos static ram organized as 32k words by 8 bits. The qdrii sram may be operated with a single clock pair. A qdr ii ram controller for the virtex 6 fpga family. This qdriv xp sram is internally partitioned into eight internal banks. Qdr srams can provide double data rate ddr operation on each data pin through independently operated read and write ports, and can transfer four words of data on one clock cycle. Is61qdpb44m18aa1a2 is61qdpb42m36aa1a2 integrated silicon solution, inc. P726 datasheet, p726 pdf, p726 data sheet, p726 manual, p726 pdf, p726, datenblatt, electronics p726, alldatasheet, free, datasheet, datasheets, data sheet, datas. Cyclone ii fpga family features feature ep2c5 ep2c8 ep2c20 ep2c35 ep2c50 ep2c70 les 4,608 8,256 18,752 33,216 50,528 68,416 m4k ram blocks 4.
Support for qdrii sram and ddr sdram up to 167 mhz up to eight phaselocked loops plls per device offered in commercial and industrial temperature grades. The banks each have a x36 bus width, and provide immense bandwidth as they have separate read and write ports. Cyclone ii devices are available in up to three speed grades. Each bank is 9 mb, for a total of 18 mb available from each fpga. These ultrafast devices can support high bandwidth systems that require memories capable of very high operating frequencies combined with low. Cyclone ii device family data sheet, cyclone ii device.
K is the memory interface units clock, delayed 90 kn is the inverse of k. There is no relevant information available for this part yet. Another key feature is the ability to connect cards using a highspeed serial interface to allow direct communication between cards in the system without. Along with the data, the byte write bwx inputs will be accepted, indicating which bytes of the data inputs should be written to the sram. Stratix device handbook, volume 1 101 innovation drive san jose, ca 954 408 5447000 s5v. Synchronous sram issi, integrated silicon solution inc.
The sram configuration cells of the original stratix devices are replaced in hardcopy stratix devices by metal connects, which define the function of each logic element le, digital signal processing dsp block, phaselocked loop pll, embedded memory, and io cell in the device. This allows for bus contention to be virtually eliminated between the memory controller and the sram. Ep3c5e144c8n altera, ep3c5e144c8n datasheet page 23. See the ds9034pc data sheet for further information.
I speedster fpga family university of california, berkeley. There is 128 mb of flash available for storing bitstreams, although they can also be loaded through the configuration. Ddr2, sdr sdram, and qdrii sram with an autocalibrating phy for fast timing closure. Easy memory expansion is provided by an active low chip enable ce and active low output enable oe and threestate drivers. Ep3c55f780c7n datasheet pdf ic fpga 377 io 780fbga altera. Quad data rate qdr sram is a type of static ram computer memory that can transfer up to. Each nv sram has a selfcontained lithium energy source and control circuitry. Furthermore, the altmemphybased memory controllers. Onchip digital trimming can be used to adjust for frequency variance caused by crystal tolerance and temperature. Like double datarate ddr sdram, qdr sram transfers data on both rising and falling edges of the clock signal. Quad data rate qdr sram is a type of static ram computer memory that can transfer up to four words of data in each clock cycle. Ep3sl150f1152c2n datasheets altera pdf price in stock. Sram technology electrical engineering and computer. These resources are interconnected using metallization layers.
Ic cyclone ii fpga 15k 484fbga online from elcodis, view and download ep2c15af484c8n pdf datasheet, embedded fpgas field programmable gate array specifications. L21142ca l21143cb l21143ca 21142cb l21143ce 21142ce l21142ce l21142cb l2114uca l2114uce 2114ucb l2114ucb datasheet pdf downlaod from iconline. Furthermore, the 4116 dram requires a negative voltage bias. Altera corporation is an american manufac turer of programmable logic devices plds, reconfigurable complex digital circuits. Ddr and ddrii srams belong to the same family as qdr srams, and are. The qdrii sram controllers local interface is compatible with the altera. Supports highspeed external memory interfaces such as ddr, ddr2, sdr sdram, and qdrii sram. The drawback is that zpackage density is quite poor by modern standards. Home wiki projects qdr ii controller for virtex 6 open. Fpga rocketio reference clocks the fpe650 has three reference clocks that can be used. Qdrii sram will receive the address on the rising edge of clock k. Description 36mbit qdrii sram 2word burst operation. View and download altera ep3c5e144c8n datasheet at elcodis. Cypress qdr sram provides fully random memory access cypress is the synchronous sync sram market leader with more than 2.
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