CY7C1298HDocument #: 38-05665 Rev. *B Page 12 of 16
Write Timing[16, 17]
Note:
17.Full width write can be initiated by either GW LOW; or by GW HIGH, BWE LOW and BW[A:B] LOW.
Switching Waveforms (continued)
tCYC
tCL
CLK
ADSP
tADH
tADS
ADDRESS
tCH
OE
ADSC
CE
tAH
tAS
A1
tCEH
tCES
BWE,
BW
[A:B]
ADV
BURST READ BURST WRITE
D(A2) D(A2 + 1) D(A2 + 1) D(A3) D(A3 + 1) D(A3 + 2)D(A2 + 3)
A2 A3
Extended BURST WRITE
D(A2 + 2)
Single WRITE
tADH
tADS
tADH
tADS
t
OEHZ
tADVH
tADVS
tWEH
tWES
tDH
tDS
GW
tWEH
tWES
Byte write signals are ignored for first cycle when
ADSP initiates burst
ADSC extends burst
ADV suspends burst
DON’T CARE UNDEFINED
D(A1)
High-Z
Data in (D)
D
ata Out (Q)
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