HY5DU283222AF Datasheet, PDF (8/32 Pages) Hynix Semiconductor – 128M(4Mx32) GDDR SDRAM

HY5DU283222AF
WRITE MASK TRUTH TABLE
Function
Data Write
Data-In Mask
CKEn-1 CKEn
H
X
H
X
/CS, /RAS,
/CAS, /WE
X
X
DM(0~3) ADDR
A8/
AP
L
X
H
X
BA
Note
1,2
1,2
Note :
1. Write Mask command masks burst write data with reference to DQS(0~3) 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. 0.7 / Jun. 2004
8