HY5DU283222AF 参数 Datasheet PDF下载

HY5DU283222AF

WRITE MASK TRUTH TABLE

Function

Data Write

Data-In Mask

CKEn-1

H

H

CKEn

X

X

/CS, /RAS,

/CAS, /WE

X

X

DM(0~3)

L

H

ADDR

A8/

AP

X

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

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