22 cke/dqm input timing (read cycle) – Rainbow Electronics W9864G2GH User Manual

Page 45

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W9864G2GH

Publication Release Date: August 16 ,2006

- 45 -

Revision A01

Operating Timing Example, continued

14.22 CKE/DQM Input Timing (Read Cycle)

7

6

5

4

3

2

1

( 1 )

Q1

Q6

Q4

Q3

Q2

CLK cycle No.

External

Internal

CKE
DQM

DQ

Open

Open

7

6

5

4

3

2

1

Q1

Q6

Q3

Q2

CLK cycle No.

External

Internal

CKE

DQM

DQ

Open

( 2 )

7

6

5

4

3

2

1

Q1

Q6

Q3

Q2

CLK cycle No.

External

Internal

CKE

DQM

DQ

Q5

Q4

( 3 )

Q4

CLK

CLK

CLK

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