W989D6DB Datasheet, PDF (46/64 Pages) Winbond – Standard Self Refresh Mode

W989D6DB / W989D2DB
11.7 Page Mode Read (Burst Length = 4, CAS Latency = 3)
CLK
CS
RAS
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
tCCD
tRAS
tCCD
tCCD
tRAS
CAS
WE
BA0
BA1
tRCD
A10 ^RAa
tRCD
RBb
Address RAa
CAI RBb
CBx
CAy
CAm
CBz
DQM
CKE
DQ
tRRD
tAC
tAC
tAC
tAC
tAC
a0 a1 a2 a3 bx0 bx1 Ay0 Ay1 Ay2 am0 am1 am2 bz0 bz1 bz2 bz3
Bank #0 Active
Bank #1
Bank #2
Idle
Bank #3
Read
Active
Read
Read
Read
Precharge
Read
AP*
* AP is the internal precharge start timing
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Publication Release Date: Mar. 19, 2014
Revision: A01-001