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MA9264 Datasheet(PDF) 4 Page - Dynex Semiconductor

Part # MA9264
Description  Radiation Hard 8192x8 Bit Static RAM
PDF  15 Pages
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Manufacturer  DYNEX [Dynex Semiconductor]
Direct Link  http://www.dynexsemi.com
Logo DYNEX - Dynex Semiconductor

MA9264 Datasheet(HTML) 4 Page - Dynex Semiconductor

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MA9264
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AC CHARACTERISTICS
Conditions of Test for Tables 5 and 6:
1. Input pulse = V
SS to 3.0V (TTL) and VSS 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
A = -55°C to +125°C with VDD = 5V±10% and to post 100k Rad(Si) total dose radiation
at T
A = 25°C with VDD = 5V ±10%. GROUP A SUBGROUPS 9, 10, 11.
MAX9264X70
MAX9264X95
Symbol
Parameter
Min
Max
Min
Max
Units
T
AVAVR
Read Cycle Time
70
-
95
-
ns
T
AVQV
Address Access Time
-
65
-
90
ns
T
EHQV
Chip Select Access Time
-
70
-
95
ns
T
SLQV
Chip Enable Access Time
-
70
-
95
ns
T
EHQX (5,6)
Chip Selection to Output in Low Z
15
-
15
-
ns
T
SLQX (5,6)
Chip Enable to Output in Low Z
15
-
15
-
ns
T
ELQZ (5,6)
Chip Deselection to Output in High Z
0
20
0
20
ns
T
SHQZ (5,6)
Chip Disable to Output in High Z
0
20
0
20
ns
T
AXQX
Output Hold from Address Change
30
-
40
-
ns
T
GLQV
Output Enable Access Time
-
25
-
30
ns
T
GLQX (5,6)
Output Enable to Output in Low Z
15
-
15
-
ns
T
GHQZ (5,6)
Output Enable to Output in High Z
0
20
0
20
ns
Figure 6: Read Cycle AC Electrical Characteristics
MAX9264X70
MAX9264X95
Symbol
Parameter
Min
Max
Min
Max
Units
T
AVAVW
Write Cycle Tlme
55
-
60
-
ns
T
EHWH
Chip Selection to End of Write
50
-
60
-
ns
T
SLWH
Chip Enable to End of Write
50
-
60
-
ns
T
AVWH
Address Valid to End of Write
50
-
55
-
ns
T
AVWL
Address Set Up Time
0
-
0
-
ns
T
WLWH
Write Pulse Width
40
-
45
-
ns
T
WHAV
Write Recovery Time
0
-
0
-
ns
T
WLQZ (5,6)
Wnte to Output in High Z
0
20
0
20
ns
T
DVWH
Data to Write Time Overlap
25
-
30
-
ns
T
WHDX
Data Hold from Write
0
-
0
-
ns
T
WHQX (5,6)
Output Active from End to Write
0
20
0
20
ns
Figure 7: Write Cycle AC Electrical Characteristics



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