參數(shù)資料
    型號: K4H563238C-TLB0
    廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
    英文描述: Dual Micropower LinCMOS(TM) Comparator 8-SOIC
    中文描述: 128MB DDR SDRAM的
    文件頁數(shù): 9/53頁
    文件大?。?/td> 669K
    代理商: K4H563238C-TLB0
    - 9 -
    REV. 1.0 November. 2. 2000
    128Mb DDR SDRAM
    1. Key Features
    Double-data-rate architecture; two data transfers per clock cycle
    Bidirectional data strobe(DQS)
    Four banks operation
    Differential clock inputs(CK and CK)
    DLL aligns DQ and DQS transition with CK transition
    MRS cycle with address key programs
    -. Read latency 2, 2.5 (clock)
    -. Burst length (2, 4, 8)
    -. Burst type (sequential & interleave)
    All inputs except data & DM are sampled at the positive going edge of the system clock(CK)
    Data I/O transactions on both edges of data strobe
    Edge aligned data output, center aligned data input
    LDM,UDM/DM for write masking only
    Auto & Self refresh
    15.6us refresh interval(4K/64ms refresh)
    Maximum burst refresh cycle : 8
    66pin TSOP II package
    1.1 Features
    1.2 Operating Frequencies
    *CL : Cas Latency
    Table 1. Operating frequency and DLL jitter
    - A2(DDR266A)
    133MHz@CL2
    -
    ±0.75ns
    - B0(DDR266B)
    100MHz
    133MHz
    ±0.75ns
    - A0(DDR200)
    100MHz
    -
    ±0.8ns
    Speed @CL2
    Speed @CL2.5
    DLL jitter
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