IS61NW6432 データシートの表示（PDF） - Integrated Silicon Solution
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IS61NW6432 Datasheet PDF : 13 Pages
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IS61NW6432
READ OPERATION WITH CLOCK ENABLE USED
Cycle
n
n+1
n+2
n+3
n+4
n+5
n+6
n+7
Address
A0
X
A1
X
X
A2
A3
A4
R/W ADV/LD CEx
H
L
L
X
X
X
H
L
L
X
X
X
X
X
X
H
L
L
?
L
L
?
L
L
CEN
L
H
L
H
H
L
L
L
BWx
X
X
X
X
X
X
X
X
OE I/O
XX
XX
XX
L D0
L D0
L D0
L D1
L D2
Comments
Address and Control meet setup
Clock n+1 Ignored
Clock Valid
Clock Ignored. Data D0 is on the bus
Clock Ignored. Data D0 is on the bus
Address A0 Read Out (bus trans.)
Address A1 Read Out (bus trans.)
Address A2 Read Out (bus trans.)
WRITE OPERATION WITH CLOCK ENABLE USED
Cycle Address R/W ADV/LD CEx CEN BWx OE I/O Comments
n
A0
L
L
L
L
L
X X Address and Control meet setup
n+1
X
X
X
X
H
X
X X Clock n+1 Ignored
n+2
A1
L
L
L
L
L
X X Clock Valid
n+3
X
X
X
X
H
X
L di Clock Ignored.
n+4
X
X
X
X
H
X
L di Clock Ignored.
n+5
A2
L
L
L
L
L
L D0 Write data D0 (bus trans.)
n+6
A3
?
L
L
L
L
L D1 Write data D1 (bus trans.)
n+7
A4
?
L
L
L
L
L D2 Write data D2 (bus trans.)
Note:
1. H = High; L = Low; X = Don't Care; ? = Don't Know; Z = High Impedance; di could be D0 if desired.
Integrated Silicon Solution, Inc.
7
ADVANCE INFORMATION SR050-0B
07/15/98
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