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H5DU2562GFR-L2I データシートの表示(PDF) - Hynix Semiconductor
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H5DU2562GFR-L2I
256Mb DDR SDRAM
Hynix Semiconductor
H5DU2562GFR-L2I Datasheet PDF : 28 Pages
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H5DU2562GFR-xxI
WRITE MASK TRUTH TABLE
Function
Data Write
1
Data-In Mask
1
CKEn-1 CKEn
H
X
H
X
/CS, /RAS,
/CAS, /WE
X
X
DM
ADDR
A10/AP BA
L
X
H
X
Note:
1. Write Mask command masks burst write data with reference to LDQS/UDQS(Data Strobes) and it is not related with read data.
In case of x16 data I/O, LDM and UDM control lower byte(DQ0~7) and Upper byte(DQ8~15) respectively.
Rev. 1.1 /Sep. 2007
8
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