ACT-SF2816 Просмотр технического описания (PDF) - Aeroflex Corporation
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ACT-SF2816 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
Address Access Time
tRC
25
tAA
25
Chip Select Access Time
Output Hold from Address Change
Output Enable to Output Valid
Chip Select to Output in Low Z *
Output Enable to Output in Low Z *
tACE
tOH
tOE
tCLZ
tOLZ
25
0
15
3
0
Chip Deselect to Output in High Z *
Output Disable to Output in High Z *
tCHZ
12
tOHZ
12
* Parameters guaranteed by design but not tested
–035
Min Max
35
35
35
0
20
3
0
20
20
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
Write Cycle
Parameter
Symbol
Write Cycle Time
Chip Select to End of Write
Address Valid to End of Write
Data Valid to End of Write
Write Pulse Width
Address Setup Time
Output Active from End of Write *
Write to Output in High Z *
Data Hold from Write Time
Address Hold Time
* Parameters guaranteed by design but not tested
tWC
tCW
tAW
tDW
tWP
tAS
tOW
tWHZ
tDH
tAH
–025
Min Max
25
20
20
15
20
0
0
10
0
0
–035
Min Max
35
25
25
20
25
0
0
20
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
SCD3853 REV B 5/18/99 Plainview NY (516) 694-6700
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