參數(shù)資料
    型號(hào): MPC8536BVTAVLA
    廠商: FREESCALE SEMICONDUCTOR INC
    元件分類: 微控制器/微處理器
    英文描述: 32-BIT, 1500 MHz, MICROPROCESSOR, PBGA783
    封裝: 29 X 29 MM, 2.80 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, FCBGA-783
    文件頁數(shù): 54/127頁
    文件大?。?/td> 1893K
    代理商: MPC8536BVTAVLA
    MPC8536E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 3
    DDR2 and DDR3 SDRAM
    Freescale Semiconductor
    32
    2.6
    DDR2 and DDR3 SDRAM
    This section describes the DC and AC electrical specifications for the DDR SDRAM interface of the MPC8536E. Note that
    DDR2 SDRAM is GVDD(type) = 1.8 V and DDR3 SDRAM is GVDD(type) = 1.5 V.
    2.6.1
    DDR2 and DDR3 SDRAM DC Electrical Characteristics
    Table 12 provides the recommended operating conditions for the DDR SDRAM component(s) of the MPC8536E when
    interfacing to DDR2 SDRAM.
    Table 13 provides the recommended operating conditions for the DDR SDRAM Controller of the MPC8536E when interfacing
    to DDR3 SDRAM.
    Table 12. DDR2 SDRAM DC Electrical Characteristics for GVDD(typ) = 1.8 V
    Parameter/Condition
    Symbol
    Min
    Max
    Unit
    Notes
    I/O supply voltage
    GVDD
    1.7
    1.9
    V
    1
    I/O reference voltage
    MVREF
    0.49
    × GVDD
    0.51
    × GVDD
    V2
    I/O termination voltage
    VTT
    MVREF –0.04
    MVREF + 0.04
    V
    3
    Input high voltage
    VIH
    MVREF+0.125
    GVDD +0.3
    V
    Input low voltage
    VIL
    –0.3
    MVREF – 0.125
    V
    Output leakage current
    IOZ
    –50
    50
    μA4
    Output high current (VOUT = 1.420 V)
    IOH
    –13.4
    mA
    Output low current (VOUT = 0.280 V)
    IOL
    13.4
    mA
    Notes:
    1. GVDD is expected to be within 50 mV of the DRAM GVDD at all times.
    2. MVREF is expected to be equal to 0.5 × GVDD, and to track GVDD DC variations as measured at the receiver.
    Peak-to-peak noise on MVREF may not exceed ±2% of the DC value.
    3. VTT is not applied directly to the device. It is the supply to which far end signal termination is made and is expected to be
    equal to MVREF. This rail should track variations in the DC level of MVREF.
    4. Output leakage is measured with all outputs disabled, 0 V
    VOUT GVDD.
    Table 13. DDR3 SDRAM Interface DC Electrical Characteristics for GVDD(typ) = 1.5 V
    Parameter/Condition
    Symbol
    Min
    Max
    Unit
    Notes
    I/O supply voltage
    GVDD
    1.425
    1.575
    V
    1
    I/O reference voltage
    MVREFn
    0.49
    × GVDD
    0.51
    × GVDD
    V2
    Input high voltage
    VIH
    MVREFn + 0.100
    GVDD
    V—
    Input low voltage
    VIL
    GND
    MVREFn – 0.100
    V
    Output leakage current
    IOZ
    –50
    50
    μA3
    Notes:
    1. GVDD is expected to be within 50 mV of the DRAM GVDD at all times.
    2. MVREFn is expected to be equal to 0.5 × GVDD, and to track GVDD DC variations as measured at the receiver.
    Peak-to-peak noise on MVREFn may not exceed ±1% of the DC value.
    3. Output leakage is measured with all outputs disabled, 0 V
    VOUT GVDD.
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