Sram and timekeeping circuitry are powered from the backup supply when main power is lost, allowing the. Cypress delivers the industrys broadest portfolio of 65nm synchronous srams, which includes densities from 1 mbits up to 144 mbits and speeds up to. Quad data rate qdr sram is a type of static ram computer memory that can transfer up to. The qdrii sram controller ensures that the placement and timing are in line with qdrii specifications. 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.
K is the memory interface units clock, delayed 90 kn is the inverse of k. Qdr sram devices were developed in response to the demand for higher. The qdrii sram controllers local interface is compatible with the altera. Ep3c55f780c7n datasheet pdf ic fpga 377 io 780fbga altera. 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. These ultrafast devices can support high bandwidth systems that require memories capable of very high operating frequencies combined with low. Altera corporation is an american manufac turer of programmable logic devices plds, reconfigurable complex digital circuits.
This indicates the memory space, according to the memory device data sheet. Cyclone ii device package offerings and maximum user io pins. Dc and switching characteristics chapter in the stratix iii device handbook, or the stratix iv device datasheet dc and switching characteristics chapter in the stratix iv device handbook. Ddr and ddrii srams belong to the same family as qdr srams, and are. It realizes higher performance and low power consumption by employing 0. Cyclone iv fpga device family overview, cyclone iv device. This device has an automatic powerdown feature, reducing the power consumption by 99. The main purpose of this capability is to enable reads and writes to occur at high clock frequencies without the loss of bandwidth due. Support for io standards including lvttl, lvcmos, sstl, highspeed transceiver logic hstl, pci express, lvpecl, lvds, minilvds, reduced swing differential signaling rsds, and pointtopoint differential signaling ppds. Features support for burst of two and four memory type support for 8, 18, and 36bit qdrii interfaces. The main purpose of this capability is to enable reads and writes to occur at high clock frequencies. Synchronous sram issi, integrated silicon solution inc. The 72mb is61qdpb42m36aa1a2 and is61qdpb44m18aa1a2 are synchronous, highperformance cmos static random access memory sram devices. This qdriv xp sram is internally partitioned into eight internal banks.
Cyclone iii device family supports vertical migration that allows you to migrate your device to other devices with the same dedicated pins. A qdr ii ram controller for the virtex 6 fpga family. Qdrii sram will receive the address on the rising edge of clock k. 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. I speedster fpga family university of california, berkeley. Table 14 shows the cyclone ii device speedgrade offerings.
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. C and c may be disabled by tying both signals high, forcing the outputs and echo clocks to be controlled instead by the k and k clocks. Cypress qdr sram provides fully random memory access cypress is the synchronous sync sram market leader with more than 2. 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. Description 36mbit qdrii sram 2word burst operation. 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. Furthermore, the 4116 dram requires a negative voltage bias. There is 128 mb of flash available for storing bitstreams, although they can also be loaded through the configuration. Is61qdpb44m18aa1a2 is61qdpb42m36aa1a2 4mx18, 2mx36 72mb. 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. Cyclone ii devices are available in up to three speed grades. An sram static random access memory is designed to fill two needs. The fpga user application interface communicates with the on fpga application logic designed by the user.
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. L21142ca l21143cb l21143ca 21142cb l21143ce 21142ce l21142ce l21142cb l2114uca l2114uce 2114ucb l2114ucb datasheet pdf downlaod from iconline. P726 datasheet, p726 pdf, p726 data sheet, p726 manual, p726 pdf, p726, datenblatt, electronics p726, alldatasheet, free, datasheet, datasheets, data sheet, datas. These resources are interconnected using metallization layers. 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. Furthermore, the altmemphybased memory controllers. 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. See the ds9034pc data sheet for further information. Sram datasheet, sram pdf, sram data sheet, sram manual, sram pdf, sram, datenblatt, electronics sram, alldatasheet, free, datasheet, datasheets, data sheet, datas. There is no relevant information available for this part yet. 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. Nec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
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. This allows for bus contention to be virtually eliminated between the memory controller and the sram. Ic cyclone ii fpga 15k 484fbga online from elcodis, view and download ep2c15af484c8n pdf datasheet, embedded fpgas field programmable gate array specifications. The cy62256 is a highperformance cmos static ram organized as 32k words by 8 bits.
Ep3c5e144c8n altera, ep3c5e144c8n datasheet page 23. The qdrii sram may be operated with a single clock pair. Each nv sram has a selfcontained lithium energy source and control circuitry. Solution status this issue will be fixed in a future version of the qdrii sram controller megacore. Easy memory expansion is provided by an active low chip enable ce and active low output enable oe and threestate drivers. Cyclone ii device family data sheet, ep2c35a pdf download altera corporation, ep2c35a datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference, obsolete, circuits. These srams have separate ios, eliminating the need for highspeed bus turnaround. 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. This datasheet describes configuration devices for srambased. Pdf r118 70241k d5611 ic 9022 61c64 61c256 reliability report issi cms 2015 stransistor j 5804 equivalent 24c04. Ep3sl150f1152c2n datasheets altera pdf price in stock.
The rising edge of k clock initiates the readwrite operation, and all internal operations are selftimed. Battery backup is available l, ll, a, and b versions. 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. In the first role, the sram serves as cache memory, interfacing between drams and the cpu. Stratix device handbook, volume 1 101 innovation drive san. Xilinx xapp853 qdr ii sram interface for virtex5 devices. Like double datarate ddr sdram, qdr sram transfers data on both rising and falling edges of the clock signal. Another key feature is the ability to connect cards using a highspeed serial interface to allow direct communication between cards in the system without. Onchip digital trimming can be used to adjust for frequency variance caused by crystal tolerance and temperature. 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. The drawback is that zpackage density is quite poor by modern standards. 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.
View and download altera ep3c5e144c8n datasheet at elcodis. The banks each have a x36 bus width, and provide immense bandwidth as they have separate read and write ports. Onchip delay locked loop dll for wide data valid window. 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. Stratix device handbook, volume 1 101 innovation drive san jose, ca 954 408 5447000 s5v. Sram technology electrical engineering and computer. E1 12012015 1 4mx18, 2mx36 72mb quadp burst 4 synchronous sram 2. 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. Width is 17 bits in 4word burst mode, 18 bits in 2word burst mode. Each bank is 9 mb, for a total of 18 mb available from each fpga. Sram replacement for tms99x8 vram retrobrew computers. Fpga rocketio reference clocks the fpe650 has three reference clocks that can be used.
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