參數(shù)資料
型號(hào): W3H64M72E-SBM
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: DRAM
英文描述: 64M X 72 DDR DRAM, PBGA208
封裝: 17 X 23 MM, 1 MM PITCH, PLASTIC, BGA-208
文件頁數(shù): 16/30頁
文件大?。?/td> 999K
代理商: W3H64M72E-SBM
W3H64M72E-XSBX
23
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
December 2006
Rev. 2
ADVANCED*
White Electronic Designs Corp. reserves the right to change products or specications without notice.
INPUT DC LOGIC LEVEL
All voltages referenced to VSS
Parameter
Symbol
Min
Max
Unit
Input High (Logic 1) Voltage
VIH(DC)
VREF + 0.1 25
VCCQ + 0.300
V
Input Low (Logic 0) Voltage
VIL(DC)
-0.300
VREF - 0.125
V
INPUT AC LOGIC LEVEL
All voltages referenced to VSS
Parameter
Symbol
Min
Max
Unit
AC Input High (Logic 1) Voltage DDR2-400 & DDR2-533
VIH(AC)
VREF + 0.250
V
AC Input High (Logic 1) Voltage DDR2-667
VIH(AC)
VREF + 0.200
V
AC Input Low (Logic 0) Voltage DDR2-400 & DDR2-533
VIL(AC)
VREF - 0.250
V
AC Input Low (Logic 0) Voltage DDR2-667
VIL(AC)
VREF - 0.200
V
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