CY7C1480BV33-250BZXC CYPRESS [Cypress Semiconductor], CY7C1480BV33-250BZXC Datasheet - Page 25

• Manufacturer Part Number: CY7C1480BV33-250BZXC
• Manufacturer: CYPRESS [Cypress Semiconductor]

Switching Waveforms
Document Number: 001-15145 Rev. *H
Notes
22. On this diagram, when CE is LOW: CE
23. Full width write can be initiated by either GW LOW; or by GW HIGH, BWE LOW, and BW
Data Out (Q)
Data In (D)
ADDRESS
ADSC
ADSP
BWE,
ADV
BW
CLK
GW
OE
CE
X
BURST READ
High-Z
t ADS
t CES
t AS
A1
t ADH
t CEH
t AH
t CH
t
OEHZ
Byte write signals are
ignored for first cycle when
ADSP initiates burst
t CYC
t ADS
t CL
(continued)
t DS
Single WRITE
D(A1)
1
t ADH
is LOW, CE
t DH
A2
2
is HIGH, and CE
Figure 4. Write Cycle Timing
D(A2)
DON’T CARE
3
is LOW. When CE is HIGH: CE
D(A2 + 1)
t WES
BURST WRITE
t WEH
UNDEFINED
D(A2 + 1)
X
LOW.
ADV suspends burst
[22, 23]
D(A2 + 2)
1
ADSC extends burst
is HIGH, CE
D(A2 + 3)
2
is LOW, or CE
t ADS
A3
D(A3)
t ADH
CY7C1480BV33
CY7C1482BV33
t
ADVS
t WES
3
Extended BURST WRITE
is HIGH.
D(A3 + 1)
t
t WEH
ADVH
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D(A3 + 2)