Timing waveform
• Read cycle (1) : CE = OE =VIL, WE = VIH
tRC
Address
tAA
tOH
Data out Previous data valid
Data valid
• Read cycle (2): WE = VIH
Address
CE
OE
Data out
tRC
tAA
tCO
tLZ
tOE
tOLZ
High impedance
tHZ
tOHZ
Data valid
CXK5T8257BTM/BYM/BM
• Write cycle (1) : WE contorl
Address
OE
CE
WE
Data in
Data out
tWC
tWR
tAW
tCW
[∗1]
tAS
tWP
tWHZ
tDW
tDH
Data valid
tOW
High impedance
[∗2]
[∗2]
–6–