W9864G6DB Datasheet, PDF (44/48 Pages) Winbond – 1M x 4 BANKS x 16 BITS SDRAM

W9864G6DB
Operating Timing Example, continued
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
External
CLK
Internal
CKE
DQM
DQ
D1
D2
CLK cycle No.
1
2
External
CLK
Internal
CKE
DQM
DQ
D1
D2
3
4
5
6
7
D3
D5
D6
DQM MASK
(2)
CKE MASK
3
4
5
6
7
D3
D4
CKE MASK
(3)
D5
D6
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