Rainbow Electronics W9864G6GB User Manual

Page 18

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W9864G6GB

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(2) A.C Latency Characteristics

CKE to clock disable (CKE Latency)

1

tCK

DQM to output to HI-Z (Read DQM Latency)

2

DQM to output to HI-Z (Write DQM Latency)

0

Write command to input data (Write Data Latency)

0

CS to Command input ( CS Latency)

0

Precharge to DQ Hi-Z Lead time

CL = 2

2

CL = 3

3

Precharge to Last Valid data out

CL = 2

1

CL = 3

2

Bust Stop Command to DQ Hi-Z Lead time

CL = 2

2

CL = 3

3

Bust Stop Command to Last Valid Data out

CL = 2

1

CL = 3

2

Read with Auto-precharge Command to Active/Ref
Command

CL = 2

BL +

tRP

tCK

+

nS

CL = 3

BL +

tRP

tCK

+ nS

Write with Auto-precharge Command to Active/Ref
Command

CL = 2

(BL+1) +

tRP

tCK

+ nS

CL = 3

(BL+1) +

tRP

tCK

+ nS

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