ACT-S512K32V Просмотр технического описания (PDF) - Aeroflex Corporation
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ACT-S512K32V Datasheet PDF : 8 Pages
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Read Cycle
AC Characteristics
(VCC = 3.3V, VSS = 0V, Tc = -55°C to +125°C)
Parameter
–017
–020
–025
–035
–045
Sym
Min Max Min Max Min Max Min Max Min Max
Read Cycle Time
tRC 17
20
25
35
45
Address Access Time
tAA
17
20
25
35
45
Chip Enable Access Time
tACS
17
20
25
35
45
Output Hold from Address Change
tOH
0
0
0
0
0
Output Enable to Output Valid
tOE
9
10
12
25
35
Chip Enable to Output in Low Z *
tCLZ
3
3
3
3
3
Output Enable to Output in Low Z *
tOLZ
0
0
0
0
0
Chip Deselect to Output in High Z *
tCHZ
8
8
10
15
15
Output Disable to Output in High Z * tOHZ
8
8
10
15
15
* Parameters guaranteed by design but not tested
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
Write Cycle
Parameter
–017
Sym
Min Max
Write Cycle Time
tWC 17
Chip Enable to End of Write
tCW 15
Address Valid to End of Write
tAW 15
Data Valid to End of Write
tDW 12
Write Pulse Width
tWP 13
Address Setup Time
tAS
0
Output Active from End of Write *
tOW
0
Write to Output in High Z *
tWHZ
8
Data Hold from Write Time
tDH
0
Address Hold Time
tAH
0
* Parameters guaranteed by design but not tested
–020
–025
–035
–045
Min Max Min Max Min Max Min Max
20
25
35
45
15
20
30
35
15
20
30
35
12
15
20
30
13
15
25
35
0
0
0
0
0
0
0
0
11
13
15
15
0
0
0
0
1
2
2
2
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Mode
Standby
Read
Read
Write
Truth Table
CE OE WE
Data I/O
H
X
X
High Z
L
L
H
Data Out
L
H
H
High Z
L
X
L
Data In
Power
Standby (deselect/power down)
Active
Active (deselected)
Active
Aeroflex Circuit Technology ACT-S512K32V
3
SCD3360 REV B 12/17/98 Plainview NY (516) 694-6700
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