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參數(shù)資料
| 型號： | M68AW031AM70NS1T |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | SRAM |
| 英文描述： | 32K X 8 STANDARD SRAM, 70 ns, PDSO28 |
| 封裝： | 8 X 13.40 MM, PLASTIC, REVERSE, TSOP-28 |
| 文件頁數(shù)： | 6/21頁 |
| 文件大?。?/td> | 398K |
| 代理商： | M68AW031AM70NS1T |
Obsolete
Product(s)
- Obsolete
Product(s)
M68AW031A
14/21
Table 8. Write Mode AC Characteristics
Note: 1. At any given temperature and voltage condition, tWLQZ is less than tWHQX for any given device.
2. These parameters are defined as the time at which the outputs achieve the open circuit conditions and are not referenced to output
voltage levels.
Symbol
Parameter
M68AW031A
Unit
55
70
tAVAV
Write Cycle Time
Min
55
70
ns
tAVEH
Address Valid to Chip Enable High
Min
45
60
ns
tAVEL
Address valid to Chip Enable Low
Min
0
ns
tAVWH
Address Valid to Write Enable High
Min
45
60
ns
tAVWL
Address Valid to Write Enable Low
Min
0
ns
tDVEH
Input Valid to Chip Enable High
Min
25
30
ns
tDVWH
Input Valid to Write Enable High
Min
25
30
ns
tEHAX
Chip Enable High to Address Transition
Min
0
ns
tEHDX
Chip enable High to Input Transition
Min
0
ns
tELEH
Chip Enable Low to Chip Enable High
Min
45
60
ns
tELWH
Chip Enable Low to Write Enable High
Min
45
60
ns
tWHAX
Write Enable High to Address Transition
Min
0
ns
tWHDX
Write Enable High to Input Transition
Min
0
ns
tWHQX
(1)
Write Enable High to Output Transition
Min
5
ns
tWLEH
Write Enable Low to Chip Enable High
Min
45
60
ns
tWLQZ
(1,2)
Write Enable Low to Output Hi-Z
Max
20
25
ns
tWLWH
Write Enable Low to Write Enable High
Min
45
50
ns
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