W989D6DB Datasheet, PDF (60/64 Pages) Winbond – Standard Self Refresh Mode

W989D6DB / W989D2DB
11.23 CKE/DQM Input Timing (Write Cycle)
CLK cycle No.
1
2
External
CLK
Internal
CKE
DQM
DQ
D1
D2
3
4
5
6
7
D3
D5
D6
DQM MASK
( 1)
CKE MASK
CLK cycle No.
1
2
3
4
5
6
7
External
CLK
Internal
CKE
DQM
DQ
D1
D2
D3
D5
D6
DQM MASK
( 2)
CKE MASK
CLK cycle No.
1
2
External
CLK
Internal
CKE
DQM
DQ
D1
D2
3
4
5
6
7
D3
D4
CKE MASK
( 3)
D5
D6
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Publication Release Date: Mar. 19, 2014
Revision: A01-001