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參數(shù)資料
| 型號： | ACT-S512K8N-025F16Q |
| 英文描述： | x8 SRAM |
| 中文描述： | x8的SRAM |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 367K |
| 代理商： | ACT-S512K8N-025F16Q |
Aeroflex Circuit Technology
SCD1660 REV D 5/21/01 Plainview NY (516) 694-6700
3
AC Characteristics
(V
CC
= 5.0V, V
SS
= 0V, Tc = -55°C to +125°C)
Read Cycle
Parameter
Sym
–017
Min Max
17
-
-
0
-
2
0
-
–020
Min Max
20
-
-
0
-
2
0
-
–025
Min Max
25
-
-
0
-
2
0
-
–035
Min Max
35
-
-
0
–045
Min Max
45
-
-
0
-
4
0
-
–055
Min Max
55
-
-
0
Units
Read Cycle Time
Address Access Time
Chip Enable Access Time
Output Hold from Address Change
Output Enable to Output Valid
Chip Enable to Output in Low Z *
Output Enable to Output in Low Z *
Chip Deselect to Output in High Z *
Output Disable to Output in High Z
*
* Parameters guaranteed by design but not tested
t
RC
t
AA
t
ACE
t
OH
t
OE
t
CLZ
t
OLZ
t
CHZ
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
17
17
-
9
-
-
12
20
20
25
25
-
12
-
-
12
35
35
45
45
-
25
-
-
20
55
55
-
25
-
-
20
10
25
4
0
-
4
0
-
12
15
t
OHZ
-
12
-
12
-
12
-
15
-
20
-
20
ns
Write Cycle
Parameter
Sym
–017
Min Max
17
15
15
11
15
2
2
-
0
0
–020
Min Max
20
15
15
12
15
2
3
–025
Min Max
25
17
17
13
17
2
4
–035
Min Max
35
25
25
20
25
2
4
–045
Min Max
45
35
35
25
35
2
5
–055
Min Max
55
50
50
25
40
2
5
-
0
5
Units
Write Cycle Time
Chip Enable 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
t
WC
t
CW
t
AW
t
DW
t
WP
t
AS
t
OW
t
WHZ
t
DH
t
AH
-
-
-
-
-
-
-
9
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
11
-
-
13
-
-
15
-
-
20
-
-
20
-
-
0
0
0
0
0
0
0
5
Data Retention Electrical Characteristics (Special Order Only)
(Tc = -55°C to +125°C)
Parameter
Sym
Test Conditions
All Speeds
Min Max
2
-
Units
V
CC
for Data Retention
Data Retention Current
V
DR
I
CCDR1
V
CC
= 3V
CE
≥
V
CC
– 0.2V
5.5
28
V
mA
Truth Table
Data I/O
High Z
Data Out
High Z
Data In
Mode
Standby
Read
Output Disable
Write
CE
H
L
L
L
OE
X
L
H
X
WE
X
H
H
L
Power
Standby (deselect/power down)
Active
Active (deselected)
Active
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