參數資料
型號: HY5DV281622DT-33
廠商: HYNIX SEMICONDUCTOR INC
元件分類: DRAM
英文描述: 128M(8Mx16) GDDR SDRAM
中文描述: 8M X 16 DDR DRAM, 0.7 ns, PDSO66
封裝: 0.400 X 0.875 INCH, 0.65 MM PITCH, TSOP2-66
文件頁數: 8/31頁
文件大小: 294K
代理商: HY5DV281622DT-33
Rev. 0.5 / Aug. 2003
8
HY5DV281622DT
WRITE MASK TRUTH TABLE
Function
CKEn-1
CKEn
/CS, /RAS, /CAS, /WE
LDM
UDM
ADDR
A10/
AP
BA
Note
Data Write
H
X
X
L
L
X
1,2
Data-In Mask
H
X
X
H
H
X
1,2
Lower Byte Write /
Upper Byte-In Mask
H
X
X
L
H
X
1,2
Upper Byte Write /
Lower Byte-In Mask
H
X
X
H
L
X
1,2
Note :
1. Write Mask command masks burst write data with reference to LDQS/UDQS(Data Strobes) and it is not related with read data.
2. LDM and UDM control lower byte(DQ0~7) and Upper byte(DQ8~15) respectively.
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