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      1. 參數(shù)資料
        型號: XCS05XL-5VQ100C
        廠商: Xilinx Inc
        文件頁數(shù): 34/83頁
        文件大小: 0K
        描述: IC FPGA 3.3V C-TEMP 100-VQFP
        產(chǎn)品變化通告: Product Discontinuation 26/Oct/2011
        標(biāo)準(zhǔn)包裝: 90
        系列: Spartan®-XL
        LAB/CLB數(shù): 100
        邏輯元件/單元數(shù): 238
        RAM 位總計: 3200
        輸入/輸出數(shù): 77
        門數(shù): 5000
        電源電壓: 3 V ~ 3.6 V
        安裝類型: 表面貼裝
        工作溫度: 0°C ~ 85°C
        封裝/外殼: 100-TQFP
        供應(yīng)商設(shè)備封裝: 100-VQFP(14x14)
        Spartan and Spartan-XL FPGA Families Data Sheet
        4
        DS060 (v2.0) March 1, 2013
        Product Specification
        R
        Product Obsolete/Under Obsolescence
        A CLB can implement any of the following functions:
        Any function of up to four variables, plus any second
        function of up to four unrelated variables, plus any third
        function of up to three unrelated variables
        Note: When three separate functions are generated, one of
        the function outputs must be captured in a flip-flop internal to
        the CLB. Only two unregistered function generator outputs
        are available from the CLB.
        Any single function of five variables
        Any function of four variables together with some
        functions of six variables
        Some functions of up to nine variables.
        Implementing wide functions in a single block reduces both
        the number of blocks required and the delay in the signal
        path, achieving both increased capacity and speed.
        The versatility of the CLB function generators significantly
        improves system speed. In addition, the design-software
        tools can deal with each function generator independently.
        This flexibility improves cell usage.
        Flip-Flops
        Each CLB contains two flip-flops that can be used to regis-
        ter (store) the function generator outputs. The flip-flops and
        function generators can also be used independently (see
        Figure 2). The CLB input DIN can be used as a direct input
        to either of the two flip-flops. H1 can also drive either
        flip-flop via the H-LUT with a slight additional delay.
        The two flip-flops have common clock (CK), clock enable
        (EC) and set/reset (SR) inputs. Internally both flip-flops are
        also controlled by a global initialization signal (GSR) which
        is described in detail in Global Signals: GSR and GTS,
        Latches (Spartan-XL Family Only)
        The Spartan-XL family CLB storage elements can also be
        configured as latches. The two latches have common clock
        (K) and clock enable (EC) inputs. Functionality of the stor-
        age element is described in Table 2.
        Figure 2: Spartan/XL Simplified CLB Logic Diagram (some features not shown)
        G4
        G
        H1
        F
        G4
        G3
        G2
        G1
        DYQ
        Y
        X
        SR
        CK
        EC
        Q
        G1
        SR
        H1
        DIN
        G
        H
        Logic
        Function
        of
        G1-G4
        Logic
        Function
        of
        F-G-H1
        Multiplexer Controlled
        by Configuration Program
        G-LUT
        F4
        F3
        F2
        F1
        K
        EC
        G
        Logic
        Function
        of
        F1-F4
        F-LUT
        H-LUT
        A
        B
        DXQ
        SR
        CK
        EC
        Q
        DS060_02_0506 01
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