HY5DU28422ETP Datasheet, PDF (10/35 Pages) Hynix Semiconductor – 128Mb DDR SDRAM

HY5DU28422ETP
HY5DU28822ETP
HY5DU281622ETP
WRITE MASK TRUTH TABLE
Function
Data Write
Data-In Mask
CKEn-1 CKEn /CS, /RAS, /CAS, /WE
DM
ADDR A10/AP
BA Note
H
X
X
L
X
1
H
X
X
H
X
1
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. 0.3 /Apr. 2006
10