參數(shù)資料
          型號(hào): HY5PS1G831CFP-S5
          廠商: HYNIX SEMICONDUCTOR INC
          元件分類(lèi): DRAM
          英文描述: 1Gb DDR2 SDRAM
          中文描述: 128M X 8 DDR DRAM, 0.45 ns, PBGA60
          封裝: ROHS COMPLIANT, FBGA-60
          文件頁(yè)數(shù): 11/37頁(yè)
          文件大?。?/td> 539K
          代理商: HY5PS1G831CFP-S5
          Rev. 0.2 / Dec 2006
          11
          HY5PS1G431C(L)FP
          HY5PS1G831C(L)FP
          HY5PS1G1631C(L)FP
          3. AC & DC Operating Conditions
          3.1 DC Operating Conditions
          3.1.1 Recommended DC Operating Conditions (SSTL_ 1.8)
          Note:
          1. Min. Typ. and Max. values increase by 100mV for C3(DDR2-533 3-3-3) speed option.
          2. VDDQ tracks with VDD,VDDL tracks with VDD. AC parameters are measured with VDD,VDDQ and VDD.
          3. The value of VREF may be selected by the user to provide optimum noise margin in the system. Typically the
          value of VREF is expected to be about 0.5 x VDDQ of the transmitting device and VREF is expected to track varia-
          tions in VDDQ
          4. Peak to peak ac noise on VREF may not exceed +/-2% VREF (dc).
          5. VTT of transmitting device must track VREF of receiving device.
          3.1.2 ODT DC electrical characteristics
          Note :
          1. Test condition for Rtt measurements
          Measurement Definition for Rtt(eff): Apply V
          IH
          (ac) and V
          IL
          (ac) to test pin separately, then measure current I(V
          IH
          (ac))
          and I(V
          IL
          (ac)) respectively. V
          IH
          (ac), V
          IL
          (ac), and VDDQ values defined in SSTL_18
          Measurement Definition for VM : Measurement Voltage at test pin(mid point) with no load.
          Symbol
          Parameter
          Rating
          Units
          Notes
          Min.
          1.7
          Typ.
          1.8
          Max.
          1.9
          VDD
          Supply Voltage
          V
          1
          VDDL
          Supply Voltage for DLL
          1.7
          1.8
          1.9
          V
          1,2
          VDDQ
          Supply Voltage for Output
          1.7
          1.8
          1.9
          V
          1,2
          VREF
          Input Reference Voltage
          0.49*VDDQ
          0.50*VDDQ
          0.51*VDDQ
          mV
          3,4
          VTT
          Termination Voltage
          VREF-0.04
          VREF
          VREF+0.04
          V
          5
          PARAMETER/ CONDITION
          SYMBOL
          MIN
          NOM
          MAX
          UNITS
          NOTES
          Rtt effective impedance value for EMRS(A6,A2)=0,1; 75 ohm
          Rtt effective impedance value for EMRS(A6,A2)=1,0; 150 ohm
          Rtt effective impedance value for EMRS(A6,A2)=1,1; 50 ohm
          Deviation of VM with respect to VDDQ/2
          Rtt1(eff)
          Rtt2(eff)
          Rtt3(eff)
          delta VM
          60
          120
          40
          -6
          75
          150
          50
          90
          180
          60
          +6
          ohm
          ohm
          ohm
          %
          1
          1
          1
          1
          Rtt(eff) =
          V
          IH
          (ac) - V
          IL
          (ac)
          I(V
          IH
          (ac)) - I(V
          IL
          (ac))
          delta VM =
          2 x Vm
          VDDQ
          x 100%
          - 1
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