Cyclone FPGA Family Data Sheet - Intel

1 Altera Corporation 1 CycloneFPGA FamilyApril 2003, ver. InformationThe CycloneTM field programmable gate array Family is based on a , m, all-layer copper SRAM process, with densities up to 20,060 logic elements (LEs) and up to 288 Kbits of RAM. With features like phase-locked loops (PLLs) for clocking and a dedicated double data rate (DDR) interface to meet DDR SDRAM and fast cycle RAM (FCRAM) memory requirements, Cyclone devices are a cost-effective solution for data-path applications. Cyclone devices support various I/O standards, including LVDS at data rates up to 311 megabits per second (Mbps) and 66-MHz, 32-bit peripheral component interconnect (PCI), for interfacing with and supporting ASSP and ASIC devices . Altera also offers new low-cost serial configuration devices to configure Cyclone 2,910 to 20,060 LEs, see Table 1 Up to 294,912 RAM bits (36,864 bytes) Supports configuration through low-cost serial configuration device Support for LVTTL, LVCMOS, SSTL-2, and SSTL-3 I/O standards Support for 66-MHz, 32-bit PCI standard Low speed (311 Mbps) LVDS I/O support Up to two PLLs per device provide clock multiplication and phase shifting Up to eight global clock lines with six clock resources available per logic array block (LAB) row Support for external memory, including DDR SDRAM (133 MHz), FCRAM, and single data rate (SDR) SDRAM Support for multiple intellectual property (IP)

2 Cores, including Altera MegaCore functions and Altera Megafunctions Partners Program (AMPPSM) megafunctionsNote to Table 1:(1)This parameter includes global clock 1. Cyclone Device FeaturesFeatureEP1C3EP1C4EP1C6EP1C12EP1C 20 LEs2,9104,0005,98012,06020,060M4K RAM blocks (128 36bits)1317205264 Total RAM bits59,90478,33692,160239,616294,912 PLLs 12222 Maximum user I/O pins(1)1043011852493012 Altera CorporationCyclone FPGA Family Data SheetPreliminary InformationCyclone devices are available in quad flat pack (QFP) and space-saving FineLine BGA packages (see Tables 2 through 3).Notes to Table 2:(1)TQFP: thin quad flat : plastic quad flat pack.(2) Cyclone devices support vertical migration within the same package ( , designers can migrate between the EP1C3 device in the 144-pin TQFP package and the EP1C6 device in the same package).

3 Table 2. Cyclone Package Options & I/O Pin CountsDevice100-Pin TQFP (1)144-Pin TQFP (1), (2)240-Pin PQFP (1)256-Pin FineLine BGA324-Pin FineLine BGA400-Pin FineLine BGAEP1C365104EP1C4249301EP1C698185185EP1 C12173185249EP1C20233301 Table 3. Cyclone QFP & FineLine BGA Package SizesDimension100-Pin TQFP144-Pin TQFP240-Pin PQFP256-Pin FineLine BGA324-Pin FineLine BGA400-Pin FineLine BGAP itch (mm) (mm2)2564841,024289361441 Length width (mm mm)16 1622 1719 1921 21 Altera Corporation 3 Preliminary InformationCyclone FPGA Family Data SheetTable of ContentsIntroduction .. 1 Features .. 1 Table of Contents .. 3 Functional Description .. 4 logic Array 6 logic Elements .. 9 MultiTrack Interconnect .. 17 Embedded 23 Global Clock Network & Phase-Locked 34I/O Structure.

4 44 Power Sequencing & Hot Socketing .. 60 IEEE Std. (JTAG) Boundary Scan Support .. 60 SignalTap II Embedded logic Analyzer .. 65 Configuration .. 65 Operating 67 Power 73 Timing Model .. 94 Device Pin-Outs .. 94 Ordering 944 Altera CorporationCyclone FPGA Family Data SheetPreliminary InformationFunctional DescriptionCyclone devices contain a two-dimensional row- and column-based architecture to implement custom logic . Column and row interconnects of varying speeds provide signal interconnects between LABs and embedded memory logic array consists of LABs, with 10 LEs in each LAB. An LE is a small unit of logic providing efficient implementation of user logic functions. LABs are grouped into rows and columns across the device. Cyclone devices range between 2,910 to 20,060 RAM blocks are true dual-port memory blocks with 4K bits of memory plus parity (4,608 bits).

5 These blocks provide dedicated true dual-port, simple dual-port, or single-port memory up to 36-bits wide at up to 200 MHz. These blocks are grouped into columns across the device in between certain LABs. Cyclone devices offer between 60 to 288 Kbits of embedded Cyclone device I/O pin is fed by an I/O element (IOE) located at the ends of LAB rows and columns around the periphery of the device. I/O pins support various single-ended and differential I/O standards, such as the 66-MHz, 32-bit PCI standard and the LVDS I/O standard at up to 311 Mbps. Each IOE contains a bidirectional I/O buffer and three registers for registering input, output, and output-enable signals. Dual-purpose DQS, DQ, and DM pins along with delay chains (used to phase-align DDR signals) provide interface support with external memory devices such as DDR SDRAM, and FCRAM devices at up to 133 MHz (266 Mbps).

6 Cyclone devices provide a global clock network and up to two PLLs. The global clock network consists of eight global clock lines that drive throughout the entire device. The global clock network can provide clocks for all resources within the device, such as IOEs, LEs, and memory blocks. The global clock lines can also be used for control signals. Cyclone PLLs provide general-purpose clocking with clock multiplication and phase shifting as well as external outputs for high-speed differential I/O 1 shows a diagram of the Cyclone EP1C12 Corporation 5 Preliminary InformationCyclone FPGA Family Data SheetFigure 1. Cyclone EP1C12 Device Block DiagramThe number of M4K RAM blocks, PLLs, rows, and columns vary per device. Table 4 lists the resources available in each Cyclone ArrayPLLIOEsM4K BlocksEP1C12 DeviceTable 4.

7 Cyclone Device ResourcesDeviceM4K RAMPLLsLAB ColumnsLAB RowsColumnsBlocksEP1C311312413EP1C411722 617EP1C612023220EP1C1225224826EP1C202642 64326 Altera CorporationCyclone FPGA Family Data SheetPreliminary InformationLogic Array BlocksEach LAB consists of 10 LEs, LE carry chains, LAB control signals, a local interconnect, look-up table (LUT) chain, and register chain connection lines. The local interconnect transfers signals between LEs in the same LAB. LUT chain connections transfer the output of one LE s LUT to the adjacent LE for fast sequential LUT connections within the same LAB. Register chain connections transfer the output of one LE s register to the adjacent LE s register within an LAB. The Quartus II Compiler places associated logic within an LAB or adjacent LABs, allowing the use of local, LUT chain, and register chain connections for performance and area efficiency.

8 Figure 2 details the Cyclone 2. Cyclone LAB StructureDirect linkinterconnect fromadjacent blockDirect linkinterconnect toadjacent blockRow InterconnectColumn InterconnectLocal InterconnectLABD irect linkinterconnect from adjacent blockDirect linkinterconnect toadjacent blockAltera Corporation 7 Preliminary InformationCyclone FPGA Family Data SheetLAB InterconnectsThe LAB local interconnect can drive LEs within the same LAB. The LAB local interconnect is driven by column and row interconnects and LE outputs within the same LAB. Neighboring LABs, PLLs, and M4K RAM blocks from the left and right can also drive an LAB s local interconnect through the direct link connection. The direct link connection feature minimizes the use of row and column interconnects, providing higher performance and flexibility.

9 Each LE can drive 30 other LEs through fast local and direct link interconnects. Figure 3 shows the direct link 3. Direct Link ConnectionLAB Control SignalsEach LAB contains dedicated logic for driving control signals to its LEs. The control signals include two clocks, two clock enables, two asynchronous clears, synchronous clear, asynchronous preset/load, synchronous load, and add/subtract control signals. This gives a maximum of 10 control signals at a time. Although synchronous load and clear signals are generally used when implementing counters, they can also be used with other linkinterconnectto rightDirect link interconnect fromright LAB, M4K memoryblock, PLL, or IOE outputDirect link interconnect fromleft LAB, M4K memoryblock, PLL, or IOE outputLocalInterconnectDirect linkinterconnectto left8 Altera CorporationCyclone FPGA Family Data SheetPreliminary InformationEach LAB can use two clocks and two clock enable signals.

10 Each LAB s clock and clock enable signals are linked. For example, any LE in a particular LAB using the labclk1 signal will also use labclkena1. If the LAB uses both the rising and falling edges of a clock, it also uses both LAB-wide clock signals. De-asserting the clock enable signal will turn off the LAB-wide LAB can use two asynchronous clear signals and an asynchronous load/preset signal. The asynchronous load acts as a preset when the asynchronous load data input is tied the LAB-wide addnsub control signal, a single LE can implement a one-bit adder and subtractor. This saves LE resources and improves performance for logic functions such as DSP correlators and signed multipliers that alternate between addition and subtraction depending on LAB row clocks [ ] and LAB local interconnect generate the LAB-wide control signals.