HY5DU561622EFP Datasheet, PDF (9/29 Pages) Hynix Semiconductor – 256Mb DDR SDRAM

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HY5DU56822E(L)FP
HY5DU561622E(L)FP
WRITE MASK TRUTH TABLE
Function
CKEn-1 CKEn
/CS, /RAS,
/CAS, /WE
DM
ADDR
A10/
AP
BA
Data Write¹
Data-In Mask¹
H
X
X
L
X
H
X
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 / June 2006
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