HY5DU323222Q Datasheet, PDF (8/29 Pages) Hynix Semiconductor – 32M(1Mx32) DDR SDRAM

1HY5DU323222Q
WRITE MASK TRUTH TABLE
Function
Data Write
Data-In Mask
CKEn-1 CKEn /CS, /RAS, /CAS, /WE DM(0~3) ADDR
A8/
AP
H
X
X
L
X
H
X
X
H
X
BA
Note
1,2
1,2
Note :
1. Write Mask command masks burst write data with reference to DQS(Data Strobes) and it is not related with read data.
2. DM0 corresponds to the data on DQ0-Q7; DM1 corresponds to the data on DQ8-Q15; DM2 corresponds to the data on DQ16-Q23;
DM3 corresponds to the data on DQ24-Q31.
Rev. 0.5 / Jun. 2005
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