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    參數(shù)資料
    

    


    


    
型號(hào)：
XCS20XL-4PC240C

    

    
廠商：
Xilinx, Inc.

    

    
英文描述：
Spartan and Spartan-XL Families Field Programmable Gate Arrays

    

    
中文描述：
斯巴達(dá)和Spartan - xL的家庭現(xiàn)場(chǎng)可編程門陣列

    

    
文件頁(yè)數(shù)：
23/82頁(yè)

    

    
文件大?。?/td>
863K

    

    
代理商：
XCS20XL-4PC240C


    

    

    

	
    
    
    

    
    
	
    Spartan and Spartan-XL Families Field Programmable Gate Arrays
    DS060 (v1.6) September 19, 2001
    3
    Product Specification
    1-800-255-7778
    R
    Spartan series devices achieve high-performance, low-cost
    operation through the use of an advanced architecture and
    semiconductor
    technology.
    Spartan
    and
    Spartan-XL
    devices provide system clock rates exceeding 80 MHz and
    internal performance in excess of 150 MHz. In contrast to
    other FPGA devices, the Spartan series offers the most
    cost-effective solution while maintaining leading-edge per-
    formance. In addition to the conventional benefit of high vol-
    ume programmable logic solutions, Spartan series FPGAs
    also offer on-chip edge-triggered single-port and dual-port
    RAM, clock enables on all flip-flops, fast carry logic, and
    many other features.
    The Spartan/XL families leverage the highly successful
    XC4000 architecture with many of that family’s features and
    benefits. Technology advancements have been derived
    from the XC4000XLA process developments.
    Logic Functional Description
    The Spartan series uses a standard FPGA structure as
    shown in Figure 1, page 2. The FPGA consists of an array
    of configurable logic blocks (CLBs) placed in a matrix of
    routing channels. The input and output of signals is
    achieved through a set of input/output blocks (IOBs) forming
    a ring around the CLBs and routing channels.
    CLBs provide the functional elements for implementing
    the user’s logic.
    IOBs provide the interface between the package pins
    and internal signal lines.
    Routing channels provide paths to interconnect the
    inputs and outputs of the CLBs and IOBs.
    The functionality of each circuit block is customized during
    configuration by programming internal static memory cells.
    The values stored in these memory cells determine the
    logic functions and interconnections implemented in the
    FPGA.
    Configurable Logic Blocks (CLBs)
    The CLBs are used to implement most of the logic in an
    FPGA. The principal CLB elements are shown in the simpli-
    fied block diagram in Figure 2. There are three look-up
    tables (LUT) which are used as logic function generators,
    two flip-flops and two groups of signal steering multiplexers.
    There are also some more advanced features provided by
    the CLB which will be covered in the Advanced Features
    Function Generators
    Two 16 x 1 memory look-up tables (F-LUT and G-LUT) are
    used to implement 4-input function generators, each offer-
    ing unrestricted logic implementation of any Boolean func-
    tion of up to four independent input signals (F1 to F4 or G1
    to G4). Using memory look-up tables the propagation delay
    is independent of the function implemented.
    A third 3-input function generator (H-LUT) can implement
    any Boolean function of its three inputs. Two of these inputs
    are controlled by programmable multiplexers (see box "A" of
    Figure 2). These inputs can come from the F-LUT or G-LUT
    outputs or from CLB inputs. The third input always comes
    from a CLB input. The CLB can, therefore, implement cer-
    tain functions of up to nine inputs, like parity checking. The
    three LUTs in the CLB can also be combined to do any arbi-
    trarily defined Boolean function of five inputs.
    
    
    
    
    
    


    


    

    相關(guān)PDF資料
    		

    PDF描述
    		

    
    

    
XCS20XL-4PC240I
Spartan and Spartan-XL Families Field Programmable Gate Arrays

    

    
XCS20XL-4PC256C
Spartan and Spartan-XL Families Field Programmable Gate Arrays

    

    
XCS20XL-4PC256I
Spartan and Spartan-XL Families Field Programmable Gate Arrays

    

    
XCS20XL-4PC280C
Spartan and Spartan-XL Families Field Programmable Gate Arrays

    

    
XCS20XL-4PC280I
Spartan and Spartan-XL Families Field Programmable Gate Arrays

    

    

    

    


    


    

    相關(guān)代理商/技術(shù)參數(shù)
    		

    參數(shù)描述
    		

    
    

    
XCS20XL-4PC240I
 制造商:XILINX 制造商全稱:XILINX 功能描述:Spartan and Spartan-XL Families Field Programmable Gate Arrays

    

    
XCS20XL-4PC256C
 制造商:XILINX 制造商全稱:XILINX 功能描述:Spartan and Spartan-XL Families Field Programmable Gate Arrays

    

    
XCS20XL-4PC256I
 制造商:XILINX 制造商全稱:XILINX 功能描述:Spartan and Spartan-XL Families Field Programmable Gate Arrays

    

    
XCS20XL-4PC280C
 制造商:XILINX 制造商全稱:XILINX 功能描述:Spartan and Spartan-XL Families Field Programmable Gate Arrays

    

    
XCS20XL-4PC280I
 制造商:XILINX 制造商全稱:XILINX 功能描述:Spartan and Spartan-XL Families Field Programmable Gate Arrays

    

    
    
    
    
	
    	
    
    
     
     
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