Cypress Semiconductor CY7C1334H Hoja de especificaciones - Página 10

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Switching Waveforms

[18, 19, 20]
Read/Write Timing
1
CLK
t
t
CENS
CENH
CEN
t
t
CES
CEH
CE
ADV/LD
WE
BW
[A:D]
A1
ADDRESS
t
t
AS
AH
Data
In-Out (DQ)
OE
WRITE
D(A1)
Notes:
18. For this waveform ZZ is tied LOW.
19. When CE is LOW, CE
is LOW, CE
1
20. Order of the Burst sequence is determined by the status of the MODE (0 = Linear, 1 = Interleaved). Burst operations are optional.
Document #: 38-05678 Rev. *B
2
3
4
t CYC
t
t
CL
CH
A2
A3
t
t
DS
DH
D(A1)
D(A2)
WRITE
BURST
READ
D(A2)
WRITE
Q(A3)
D(A2+1)
DON'T CARE
is HIGH and CE
is LOW. When CE is HIGH, CE
2
3
5
6
7
A4
A5
t
CO
t
t
DOH
CLZ
Q(A3)
Q(A4)
D(A2+1)
t
OEHZ
READ
BURST
WRITE
Q(A4)
READ
D(A5)
Q(A4+1)
UNDEFINED
is HIGH or CE
is LOW or CE
1
2
CY7C1334H
8
9
10
A6
A7
t
t
OEV
CHZ
Q(A4+1)
D(A5)
Q(A6)
t
DOH
t
OELZ
READ
WRITE
DESELECT
Q(A6)
D(A7)
is HIGH.
3
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