CY7C1335-133AC(1999) 查看數據表（PDF） - Cypress Semiconductor
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CY7C1335-133AC Datasheet PDF : 15 Pages
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CY7C1335
Cycle Descriptions[1, 2, 3]
Next Cycle
Add. Used ZZ
CE3 CE2 CE1 ADSP ADSC ADV
OE
Unselected
None
L
X
X
1
X
0
X
X
Unselected
None
L
1
X
0
0
X
X
X
Unselected
None
L
X
0
0
0
X
X
X
Unselected
None
L
1
X
0
1
0
X
X
Unselected
None
L
X
0
0
1
0
X
X
Begin Read
External
L
0
1
0
0
X
X
X
Begin Read
External
L
0
1
0
1
0
X
X
Continue Read Next
L
X
X
X
1
1
0
1
Continue Read Next
L
X
X
X
1
1
0
0
Continue Read Next
L
X
X
1
X
1
0
1
Continue Read Next
L
X
X
1
X
1
0
0
Suspend Read Current
L
X
X
X
1
1
1
1
Suspend Read Current
L
X
X
X
1
1
1
0
Suspend Read Current
L
X
X
1
X
1
1
1
Suspend Read Current
L
X
X
1
X
1
1
0
Begin Write
Current
L
X
X
X
1
1
1
X
Begin Write
Current
L
X
X
1
X
1
1
X
Begin Write
External
L
0
1
0
1
0
X
X
Continue Write Next
L
X
X
X
1
1
0
X
Continue Write Next
L
X
X
1
X
1
0
X
Suspend Write Current
L
X
X
X
1
1
1
X
Suspend Write Current
L
X
X
1
X
1
1
X
“ZZ” Sleep
None
H
X
X
X
X
X
X
X
Notes:
1. X=”Don't Care”, 1=HIGH, 0=LOW.
2. Write is defined by BWE, BW[3:0], and GW. See Write Cycle Descriptions table.
3. The DQ pins are controlled by the current cycle and the OE signal. OE is asynchronous and is not sampled with the clock.
DQ
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
DQ
Hi-Z
DQ
Hi-Z
DQ
Hi-Z
DQ
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Write
X
X
X
X
X
X
Read
Read
Read
Read
Read
Read
Read
Read
Read
Write
Write
Write
Write
Write
Write
Write
X
6
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