ACT-S512K8 데이터 시트보기 (PDF) - Aeroflex Corporation
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ACT-S512K8 Datasheet PDF : 8 Pages
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Read Cycle
AC Characteristics
(VCC = 5.0V, VSS= 0V, Tc= -55°C to +125°C)
Parameter
–017
–020
–025
–035
–045
–055
Sym
Min Max Min Max Min Max Min Max Min Max Min Max
Read Cycle Time
tRC 17 - 20 - 25 - 35 - 45 - 55 -
Address Access Time
tAA - 17 - 20 - 25 - 35 - 45 - 55
Chip Select Access Time
tACS - 17 - 20 - 25 - 35 - 45 - 55
Output Hold from Address Change
tOH 0 - 0 - 0 - 0 - 0 - 0 -
Output Enable to Output Valid
tOE - 9 - 10 - 12 - 25
25
25
Chip Select to Output in Low Z (1)
tCLZ 2 - 2 - 2 - 4 - 4 - 4 -
Output Enable to Output in Low Z (1) tOLZ 0 - 0 - 0 - 0 - 0 - 0 -
Chip Deselect to Output in High Z (1) tCHZ - 9 - 10 - 12 - 15 - 20 - 20
Output Disable to Output in High Z (1) tOHZ - 9 - 10 - 12 - 15 - 20 - 20
Note 1. Guaranteed by design, but not tested
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
Write Cycle
Parameter
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
Address Hold Time
Output Active from End of Write (1)
Write to Output in High Z (1)
Data Hold from Write Time
Note 1. Guaranteed by design, but not tested
–017
–020
–025
–035
–045
–055
Sym
Min Max Min Max Min Max Min Max Min Max Min Max
tWC 17 - 20 - 25 - 35 - 45 - 55 -
tCW 15 - 15 - 20 - 25 - 35 - 50 -
tAW 15 - 15 - 20 - 25 - 35 - 50 -
tDW 12 - 12 - 15 - 20 - 25 - 25 -
tWP 14 - 14 - 15 - 25 - 35 - 40 -
tAS 2 - 2 - 2 - 2 - 2 - 2 -
tAH 0 - 0 - 0 - 0 - 5 - 5 -
tOW 0 - 0 - 0
0
5-5-
tWHZ - 9 - 9 - 10 - 15 - 20 - 25
tDH 0 - 0 - 0 - 0 - 0 - 0 -
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Data Retention Electrical Characteristics (Special Order Only)
(Tc = -55°C to +125°C)
Parameter
Sym
Test Conditions
ALL SPEEDS
Min
Typ
Max
VCC for Data Retention
VDR
Data Retention Current (1) ICCDR1
CE ≥ VCC – 0.2V
VCC = 3V
2
-
5.5
-
0.5
7.0
Available in Low Power version. Call For Information.
Units
V
mA
Mode
CE OE WE
Standby
H
X
X
Read
L
L
H
Output Disable L
H
H
Write
L
X
L
Truth Table
Data I/O
High Z
Data Out
High Z
Data In
Power
Standby (deselect/power down)
Active
Active (deselected)
Active
Aeroflex Circuit Technology
3
SCD1664 REV C 5/10/00 Plainview NY (516) 694-6700
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