HY5DU561622DLTP HYNIX [Hynix Semiconductor], HY5DU561622DLTP Datasheet - Page 9

• Manufacturer Part Number: HY5DU561622DLTP
• Description: 256M DDR SDRAM (268,435,456-bit CMOS Double Data Rate(DDR) Synchronous DRAM)
• Manufacturer: HYNIX [Hynix Semiconductor]

WRITE MASK TRUTH TABLE
Note :
1.
Rev. 0.1 /May 2004
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
HY5DU56422D(L)TP
HY5DU56822D(L)TP
HY5DU561622D(L)TP
A10/
AP
X
X
BA
Note
1
1
9