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    參數(shù)資料
    型號: XC4020E-2PG223I
    廠商: Xilinx Inc
    文件頁數(shù): 49/68頁
    文件大?。?/td> 0K
    描述: IC FPGA I-TEMP 5V 2SPD 223-CPGA
    產(chǎn)品變化通告: XC4000(E,L) Discontinuation 01/April/2002
    標(biāo)準(zhǔn)包裝: 12
    系列: XC4000E/X
    LAB/CLB數(shù): 784
    邏輯元件/單元數(shù): 1862
    RAM 位總計: 25088
    輸入/輸出數(shù): 192
    門數(shù): 20000
    電源電壓: 4.5 V ~ 5.5 V
    安裝類型: 表面貼裝
    工作溫度: -40°C ~ 100°C
    封裝/外殼: 223-BCBGA
    供應(yīng)商設(shè)備封裝: 223-CPGA(47.25x47.25)
    R
    May 14, 1999 (Version 1.6)
    6-57
    XC4000E and XC4000X Series Field Programmable Gate Arrays
    6
    XC4000E/EX/XL Program Readback Switching Characteristic Guidelines
    Testing of the switching parameters is modeled after testing methods specied by MIL-M-38510/605. All devices are 100%
    functionally tested. Internal timing parameters are not measured directly. They are derived from benchmark timing patterns
    that are taken at device introduction, prior to any process improvements.
    The following guidelines reect worst-case values over the recommended operating conditions.
    Note 1:
    Timing parameters apply to all speed grades.
    Note 2:
    If rdbk.TRIG is High prior to Finished, Finished will trigger the rst Readback.
    Note 1:
    Timing parameters apply to all speed grades.
    Note 2:
    If rdbk.TRIG is High prior to Finished, Finished will trigger the rst Readback.
    RTRC
    T
    RCRT
    T
    RCRT
    T
    2
    RCL
    T
    4
    RCRR
    T
    6
    RCH
    T
    5
    RCRD
    T
    7
    DUMMY
    rdbk.DATA
    rdbk.RIP
    rdclk.I
    rdbk.TRIG
    Finished
    Internal Net
    VALID
    X1790
    VALID
    1
    RTRC
    T
    1
    E/EX
    Description
    Symbol
    Min
    Max
    Units
    rdbk.TRIG
    rdbk.TRIG setup to initiate and abort Readback
    rdbk.TRIG hold to initiate and abort Readback
    1
    2
    TRTRC
    TRCRT
    200
    50
    -
    ns
    rdclk.1
    rdbk.DATA delay
    rdbk.RIP delay
    High time
    Low time
    7
    6
    5
    4
    TRCRD
    TRCRR
    TRCH
    TRCL
    -
    250
    500
    ns
    XL
    Description
    Symbol
    Min
    Max
    Units
    rdbk.TRIG
    rdbk.TRIG setup to initiate and abort Readback
    rdbk.TRIG hold to initiate and abort Readback
    1
    2
    TRTRC
    TRCRT
    200
    50
    -
    ns
    rdclk.1
    rdbk.DATA delay
    rdbk.RIP delay
    High time
    Low time
    7
    6
    5
    4
    TRCRD
    TRCRR
    TRCH
    TRCL
    -
    250
    500
    ns
    Product Obsolete or Under Obsolescence
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