Filter
Top Products
CY7C1338G
Document #: 38-05521 Rev. *D Page 12 of 17
Write Cycle Timing
[17, 18]
Note:
18.
Full width write can be initiated by either GW
LOW; or by GW HIGH, BWE LOW and BW
[A:D]
LOW.
Timing Diagrams (continued)
t
CYC
t
CL
CLK
t
ADH
t
ADS
ADDRESS
t
CH
t
AH
t
AS
A1
t
CEH
t
CES
High-Z
BURST READ BURST WRITE
D(A2)
D(A2 + 1)
D(A2 + 1)
D(A1)
D(A3)
D(A3 + 1)
D(A3 + 2)
D(A2 + 3)
A2 A3
Extended BURST WRITE
D(A2 + 2)
Single WRITE
t
ADH
t
ADS
t
ADH
t
ADS
t
OEHZ
t
ADVH
t
ADVS
t
WEH
t
WES
t
DH
t
DS
t
WEH
t
WES
Byte write signals are ignored for first cycle when
ADSP initiates burst
ADSC extends burst
ADV suspends burst
DON’T CARE UNDEFINED
ADSP
ADSC
BWE,
BW
[A:D]
GW
CE
ADV
OE
Data in (D)
D
ata Out (Q)