HY5DU561622ALT-K HYNIX [Hynix Semiconductor], HY5DU561622ALT-K Datasheet - Page 10

• Manufacturer Part Number: HY5DU561622ALT-K
• Description: 256M-S DDR SDRAM
• Manufacturer: HYNIX [Hynix Semiconductor]

Rev. 0.4/ May. 02
WRITE MASK TRUTH TABLE
Note :
1.
Data Write
Data-In Mask
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.
Function
CKEn-1
H
H
CKEn
X
X
/CS, /RAS, /CAS, /WE
X
X
DM
H
L
ADD
R
HY5DU56422A(L)T
HY5DU56822A(L)T
HY5DU561622A(L)T
A10/
AP
X
X
BA
Note
10
1
1