Rev. 0.1 / May 2004

10

HY5DU12422B(L)TP

HY5DU12822B(L)TP

HY5DU121622B(L)TP

WRITE MASK TRUTH TABLE

Function

CKEn-1

CKEn

/CS, /RAS,

/CAS, /WE

DM

ADDR

A10/

AP

BA

Note

Data Write

H

X

X

L

X

1

Data-In Mask

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.