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        參數(shù)資料
        型號: XC4013XL-3PQ208C
        廠商: Xilinx Inc
        文件頁數(shù): 4/68頁
        文件大?。?/td> 0K
        描述: IC FPGA C-TEMP 3.3V 3SPD 208PQFP
        產(chǎn)品變化通告: Product Discontinuation 27/Apr/2010
        標準包裝: 1
        系列: XC4000E/X
        LAB/CLB數(shù): 576
        邏輯元件/單元數(shù): 1368
        RAM 位總計: 18432
        輸入/輸出數(shù): 160
        門數(shù): 13000
        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: 208-BFQFP
        供應商設備封裝: 208-PQFP(28x28)
        R
        XC4000E and XC4000X Series Field Programmable Gate Arrays
        6-16
        May 14, 1999 (Version 1.6)
        Figure 8 shows the write timing for level-sensitive, sin-
        gle-port RAM.
        The relationships between CLB pins and RAM inputs and
        outputs for single-port level-sensitive mode are shown in
        Figure 9 and Figure 10 show block diagrams of a CLB con-
        gured as 16x2 and 32x1 level-sensitive, single-port RAM.
        Initializing RAM at Conguration
        Both RAM and ROM implementations of the XC4000
        Series devices are initialized during conguration. The ini-
        tial contents are dened via an INIT attribute or property
        attached to the RAM or ROM symbol, as described in the
        schematic library guide. If not dened, all RAM contents
        are initialized to all zeros, by default.
        RAM initialization occurs only during conguration. The
        RAM content is not affected by Global Set/Reset.
        Table 7: Single-Port Level-Sensitive RAM Signals
        G'
        G1 G4
        F1 F4
        WRITE
        DECODER
        1 of 16
        DIN
        16-LATCH
        ARRAY
        X6748
        4
        MUX
        F'
        WRITE
        DECODER
        1 of 16
        DIN
        16-LATCH
        ARRAY
        READ
        ADDRESS
        READ
        ADDRESS
        WRITE PULSE
        LATCH
        ENABLE
        LATCH
        ENABLE
        K
        (CLOCK)
        WRITE PULSE
        MUX
        4
        C1 C4
        4
        WE
        D1
        D0
        EC
        Figure 7: 16x1 Edge-Triggered Dual-Port RAM
        RAM Signal
        CLB Pin
        Function
        D
        D0 or D1
        Data In
        A[3:0]
        F1-F4 or G1-G4
        Address
        WE
        Write Enable
        O
        F’ or G’
        Data Out
        WC
        T
        ADDRESS
        WRITE ENABLE
        DATA IN
        AS
        T
        WP
        T
        DS
        T
        DH
        T
        REQUIRED
        AH
        T
        X6462
        Figure 8: Level-Sensitive RAM Write Timing
        Product Obsolete or Under Obsolescence
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        相關代理商/技術(shù)參數(shù)
        參數(shù)描述
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        XC4013XL-3PQ240C0280 制造商:Xilinx 功能描述:
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