W949D6DB Datasheet, PDF (31/60 Pages) Winbond – Standard Self Refresh Mode

W949D6DB / W949D2DB
8.5.6 Non-Consecutive Read Bursts
A READ command can be initiated on any clock cycle following a previous READ command. Non-
consecutive Reads are shown in following figure.
CK
CK
Command
READ
NOP
NOP
READ
NOP
NOP
Address BA,Col n
DQS
CL=2
BA,Col b
DQ
DQS
DO n
CL=3
DO b
DQ
DO n
1) DO n (or b) = Data Out from column n (or column b)
= Don't Care
2) BA, Col n (b) = Bank A, Column n (b)
3) Burst Length = 4; 3 subsequent elements of Data Out appear in the programmed order following DO n (b)
4) Shown with nominal tAC, tDQSCK and tDQSQ
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Publication Release Date: Oct. 08, 2014
Revision: A01-003