W981208BH Datasheet, PDF (17/41 Pages) Winbond – 4M x 4 BANKS x 8 BIT SDRAM

Timing Waveforms, continued
Control Timing of Input /Output Data
W981208BH
Input Data
(Word Mask)
CLK
t CMH
DQM
DQ0 -7
tDS
tDH
Valid
Data-in
(Clock Mask)
CLK
t CKH
CKE
DQ0 -7
t DS
tDH
Valid
Data-in
tCMS
tCMH
tCKS
tCKH
tDS
tDH
Valid
Data-in
t CMS
tDS
tDH
Valid
Data-in
t CKS
tDS
t DH
Valid
Data-in
tDS
t DH
Valid
Data-in
t DS
tDH
Valid
Data-in
tDS
t DH
Valid
Data-in
Output Data
(Output Enable)
CLK
DQM
DQ0 -7
(Clock Mask)
CLK
CKE
DQ0 -7
tCMH
tCMS
t CMH
tCMS
tAC
tOH
tAC
t OH
Valid
Data-Out
t HZ
tOH
Valid
Data-Out
tAC
tLZ
OPEN
tCKH
t CKS
tCKH
tCKS
tAC
t OH
tAC
t OH
Valid
Data-Out
Valid
Data-Out
tAC
tOH
tAC
t OH
Valid
Data-Out
t AC
t OH
Valid
Data-Out
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Publication Release Date: October 2000
Revision A1