參數(shù)資料
型號: W3H128M72ER-667SBM
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: DRAM
英文描述: 128M X 72 DDR DRAM, 0.5 ns, PBGA255
封裝: 23 X 21 MM, 1.27 MM PITCH, PLASTIC, BGA-255
文件頁數(shù): 15/34頁
文件大小: 1028K
代理商: W3H128M72ER-667SBM
W3H128M72ER-XNBX
22
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
February 2009
Rev. 6
PRELIMINARY
White Electronic Designs Corp. reserves the right to change products or specications without notice.
Symbol
Parameter
Test Condition
MIN
NOM
MAX
UNIT
VCC
Supply voltage
1.7
1.9
V
VREF
Reference voltage
0.49 x VCC
0.5 x VCC
0.51 x VCC
V
VI
Input voltage
0
VCC
V
VIH
AC high-level input voltage
Data inputs, CSR#
VREF +250 mV
V
VIL
AC low-level input voltage
Data inputs, CSR#
VREF -250mV
V
VIH
DC high-level input voltage
Data inputs, CSR#
VREF +125mV
V
VIL
DC low-level input voltage
Data inputs, CSR#
VREF -125mV
V
VIH
High-level input voltage
RESET#, Cn
0.65 x VCC
V
VIL
Low-level input voltage
RESET#, Cn
0.35 x VCC
V
VICR
Common-mode input voltage range
CLK, CLK#
0.675
1.125
V
VI(PP)
Peak-to-peak input voltage
CLK, CLK#
600
mV
* The RESET# and Cn inputs of the device must be held at valid logic voltage levels (not oating) to ensure proper device operation. The differential inputs must not be oating unless
RESET# is low.
REGISTER RECOMMENDED OPERATING CONDITIONS*
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