參數(shù)資料
型號(hào): MA9264
廠商: Dynex Semiconductor Ltd.
英文描述: Radiation Hard 8192x8 Bit Static RAM
中文描述: 輻射硬8192x8位靜態(tài)RAM
文件頁(yè)數(shù): 4/15頁(yè)
文件大?。?/td> 240K
代理商: MA9264
MA9264
4/15
AC CHARACTERISTICS
Conditions of Test for Tables 5 and 6:
1. Input pulse = V
to 3.0V (TTL) and V
to 4.0V (CMOS).
2. Times measurement reference level = 1.5V.
3. Input Rise and Fall times
5ns.
4. Output load 1TTL gate and CL = 60pF.
5. Transition is measured at
±
500mV from steady state.
6. This parameter is sampled and not 100% tested.
Notes for Tables 6 and 7:
Characteristics apply to pre-radiation at T
= -55
°
C to +125
°
C with V
DD
= 5V
±
10% and to post 100k Rad(Si) total dose radiation
at T
A
= 25
°
C with V
DD
= 5V
±
10%. GROUP A SUBGROUPS 9, 10, 11.
MAX9264X70
Min
MAX9264X95
Min
Symbol
Parameter
Max
Max
Units
T
AVAVR
T
AVQV
T
EHQV
T
SLQV
T
EHQX
(5,6)
T
SLQX
(5,6)
T
ELQZ
(5,6)
T
SHQZ
(5,6)
T
AXQX
T
GLQV
T
GLQX
(5,6)
T
GHQZ
(5,6)
Read Cycle Time
70
-
95
-
ns
Address Access Time
-
65
-
90
ns
Chip Select Access Time
-
70
-
95
ns
Chip Enable Access Time
-
70
-
95
ns
Chip Selection to Output in Low Z
15
-
15
-
ns
Chip Enable to Output in Low Z
15
-
15
-
ns
Chip Deselection to Output in High Z
0
20
0
20
ns
Chip Disable to Output in High Z
0
20
0
20
ns
Output Hold from Address Change
30
-
40
-
ns
Output Enable Access Time
-
25
-
30
ns
Output Enable to Output in Low Z
15
-
15
-
ns
Output Enable to Output in High Z
0
20
0
20
ns
Figure 6: Read Cycle AC Electrical Characteristics
MAX9264X70
Min
MAX9264X95
Min
Symbol
Parameter
Max
Max
Units
T
AVAVW
T
EHWH
T
SLWH
T
AVWH
T
AVWL
T
WLWH
T
WHAV
T
WLQZ
(5,6)
T
DVWH
T
WHDX
T
WHQX
(5,6)
Write Cycle Tlme
55
-
60
-
ns
Chip Selection to End of Write
50
-
60
-
ns
Chip Enable to End of Write
50
-
60
-
ns
Address Valid to End of Write
50
-
55
-
ns
Address Set Up Time
0
-
0
-
ns
Write Pulse Width
40
-
45
-
ns
Write Recovery Time
0
-
0
-
ns
Wnte to Output in High Z
0
20
0
20
ns
Data to Write Time Overlap
25
-
30
-
ns
Data Hold from Write
0
-
0
-
ns
Output Active from End to Write
0
20
0
20
ns
Figure 7: Write Cycle AC Electrical Characteristics
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