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CY7C1298H
Document #: 38-05665 Rev. *B Page 11 of 16
Switching Waveforms
Read Timing
[16]
Note:
16.On this diagram, when CE
is LOW, CE
1
is LOW, CE
2
is HIGH and CE
3
is LOW. When CE is HIGH, CE
1
is HIGH or CE
2
is LOW or CE
3
is HIGH.
t
CYC
t
CL
CLK
ADSP
t
ADH
t
ADS
ADDRESS
t
CH
OE
ADSC
CE
t
AH
t
AS
A1
t
CEH
t
CES
G
W, BWE,BW
Data Out (Q)
High-Z
t
DOH
t
CO
ADV
t
OEHZ
t
CO
Single READ BURST READ
t
OEV
t
OELZ
t
CHZ
Burst wraps around
to its initial state
t
ADVH
t
ADVS
t
WEH
t
WES
t
ADH
t
ADS
Q(A2) Q(A2 + 1) Q(A2 + 2)
Q(A1)
Q(A2) Q(A2 + 1) Q(A3)Q(A2 + 3)
A2 A3
Deselect
cycle
Burst continued with
new base address
ADV suspends burst
DON’T CARE
UNDEFINED
[A:B]
CLZ
t
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