CY7C1460AV33
CY7C1462AV33
CY7C1464AV33
Document #: 38-05353 Rev. *D Page 20 of 27
Switching Waveforms
Read/Write/Timing[24, 25, 26]
Notes:
24.For this waveform ZZ is tied low.
25.When CE is LOW, CE1 is LOW, CE2 is HIGH and CE3 is LOW. When CE is HIGH,CE1 is HIGH or CE2 is LOW or CE3 is HIGH.
26.Order of the Burst sequence is determined by the status of the MODE (0 = Linear, 1 = Interleaved).Burst operations are optional.
WRITE
D(A1)
123456789
CLK
tCYC
t
CL
t
CH
10
CE
t
CEH
t
CES
WE
CEN
t
CENH
t
CENS
BWx
ADV/LD
t
AH
t
AS
ADDRESS A1 A2 A3 A4 A5 A6 A7
t
DH
t
DS
Data
I
n-Out (DQ)
t
CLZ
D(A1) D(A2) D(A5)Q(A4)Q(A3)
D(A2+1)
t
DOH
t
CHZ
t
CO
WRITE
D(A2) BURST
WRITE
D(A2+1)
READ
Q(A3) READ
Q(A4) BURST
READ
Q(A4+1)
WRITE
D(A5) READ
Q(A6) WRITE
D(A7) DESELECT
OE
t
OEV
t
OELZ
t
OEHZ
t
DOH
DON’T CARE UNDEFINED
Q(A6)
Q(A4+1)
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