ACT-SF512K16 Просмотр технического описания (PDF) - Aeroflex Corporation
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ACT-SF512K16 Datasheet PDF : 11 Pages
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Read Cycle
SRAM AC Characteristics
(VCC = 5.0V, VSS= 0V, Tc= -55°C to +125°C)
Parameter
Symbol
–025
Min Max
Read Cycle Time
tRC
25
Address Access Time
Chip Select Access Time
Output Hold from Address Change
tAA
tACE
tOH
25
25
0
Output Enable to Output Valid
tOE
12
Chip Select to Output in Low Z *
Output Enable to Output in Low Z *
Chip Deselect to Output in High Z *
tCLZ
tOLZ
tCHZ
2
0
12
Output Disable to Output in High Z *
tOHZ
12
* Parameters guaranteed by design but not tested
–035
Min Max
35
35
35
0
25
4
0
15
15
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
Write Cycle
Parameter
Symbol
Write Cycle Time
tWC
Chip Select to End of Write
tCW
Address Valid to End of Write
tAW
Data Valid to End of Write
tDW
Write Pulse Width
tWP
Address Setup Time
tAS
Output Active from End of Write *
tOW
Write to Output in High Z *
tWHZ
Data Hold from Write Time
tDH
Address Hold Time
tAH
* Parameters guaranteed by design but not tested
–025
Min Max
25
17
17
13
17
2
4
13
0
0
–035
Min Max
35
25
25
20
25
2
4
15
0
0
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Mode
Standby
Read
Output Disable
Write
SCE
H
L
L
L
Truth Table
OE
SWE
X
X
L
H
H
H
X
L
Data I/O
High Z
Data Out
High Z
Data In
Power
Standby
Active
Active
Active
Aeroflex Circuit Technology
3
SCD1663 REV A 4/28/98 Plainview NY (516) 694-6700
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