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CY7C09079V/89V/99V
CY7C09179V/89V/99V
Document #: 38-06043 Rev. *C Page 13 of 21
Figure 12. Flow-Through Read-to-Write-to-Read (OE
= V
IL
)
[17, 19, 26, 27, 28]
Figure 13. Flow-Through Read-to-Write-to-Read (OE Controlled)
[17, 20, 26, 27, 28]
Switching Waveforms (continued)
t
CH1
t
CL1
t
CYC1
t
SC
t
HC
t
SW
t
HW
t
SA
t
HA
t
SW
t
HW
t
SD
t
HD
A
n
A
n+1
A
n+2
A
n+2
A
n+3
A
n+4
D
n+2
Q
n
Q
n+1
Q
n+3
t
CD1
t
CD1
t
DC
t
CKHZ
t
CD1
t
CD1
t
CKLZ
t
DC
READ
NO
OPERATION
WRITE READ
CLK
CE
0
CE
1
ADDRESS
R/W
DATA
IN
DATA
OUT
Q
n
t
CH1
t
CL1
t
CYC1
t
SC
t
HC
t
SW
t
HW
t
SA
t
HA
t
CD1
t
DC
t
OHZ
READ
A
n
A
n+1
A
n+2
A
n+3
A
n+4
A
n+5
D
n+2
D
n+3
t
SW
t
HW
t
SD
t
HD
t
CD1
t
CD1
t
CKLZ
t
DC
Q
n+4
t
OE
WRITE READ
CLK
CE
0
CE
1
ADDRESS
R/W
DATA
IN
DATA
OUT
OE
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