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    參數(shù)資料
    型號(hào): MH2S64CWXTJ-1539
    廠商: Mitsubishi Electric Corporation
    英文描述: 134217728-BIT (2097152-WORD BY 64-BIT)SynchronousDRAM
    中文描述: 134217728位(2097152字,64位)SynchronousDRAM
    文件頁(yè)數(shù): 25/45頁(yè)
    文件大小: 691K
    代理商: MH2S64CWXTJ-1539
    MH2S64CZTJ/CWZTJ-12,-15,-1539
    134217728-BIT (2097152-WORD BY 64-BIT)SynchronousDRAM
    MITSUBISHI LSIs
    ( 25
    MITSUBISHI
    ELECTRIC
    Oct.28.1996
    Preliminary Spec.
    Some contents are subject to change without notice.
    MIT-DS-0019-0.4
    SELF REFRESH
    Self-refresh mode is entered by issuing a REFS command (/CS=/RAS=/CAS=L,
    /WE=H, CKE=L). Once the self-refresh is initiated, it is maintained as log as CKE is
    kept low.During the self-refresh mode, CKE is asynchronous and the only enabled
    input (but asynchronous), all other inputs including CK0 are disabled and ignored, and
    power consumption due to synchronous inputs is saved. To exit the self-refresh,
    supplying stable CK0 inputs, asserting DESEL or NOP command and then asserting
    CKE(REFSX). After tRC from REFSX both banks are in the idle state and a new
    command can be issued after tRC, but DESEL or NOP commands must be asserted
    till then.
    Self-Refresh
    CK
    /S
    /RAS
    /CAS
    /WE
    CKE
    A0-10
    BA
    Self Refresh Entry
    Self Refresh Exit
    X
    0
    minimum tRC
    for recovery
    Stable CK
    NOP
    new command
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