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参数资料
| 型号： | M68AW256MN70ZH6F |
| 厂商： | 意法半导体 |
| 英文描述： | 4 Mbit (256K x16) 3.0V Asynchronous SRAM |
| 中文描述： | 4兆位（256K × 16）3.0V异步SRAM |
| 文件页数： | 13/23页 |
| 文件大小： | 152K |
| 代理商： | M68AW256MN70ZH6F |
13/23
M68AW256M
Table 7. Read and Standby Mode AC Characteristics
Note: 1. Test conditions assume transition timing reference level = 0.3V
CC
or 0.7V
CC
.
2. At any given temperature and voltage condition, t
GHQZ
is less than t
GLQX
, t
BHQZ
is less than t
BLQX
and t
EHQZ
is less than t
ELQX
for
any given device.
3. These parameters are defined as the time at which the outputs achieve the open circuit conditions and are not referenced to output
voltage levels.
4. Tested initially and after any design or process changes that may affect these parameters.
Symbol
Parameter
M68AW256M
Unit
55
70
t
AVAV
Read Cycle Time
Min
55
70
ns
t
AVQV
Address Valid to Output Valid
Max
55
70
ns
t
AXQX (1)
Data hold from address change
Min
5
5
ns
t
BHQZ
(2,3)
Upper/Lower Byte Enable High to Output Hi-Z
Max
20
25
ns
t
BLQV
Upper/Lower Byte Enable Low to Output Valid
Max
55
70
ns
t
BLQX (1)
Upper/Lower Byte Enable Low to Output Transition
Min
5
5
ns
t
EHQZ
(2,3)
Chip Enable High to Output Hi-Z
Max
20
25
ns
t
ELQV
Chip Enable Low to Output Valid
Max
55
70
ns
t
ELQX (1)
Chip Enable Low to Output Transition
Min
5
5
ns
t
GHQZ (2,3)
Output Enable High to Output Hi-Z
Max
20
25
ns
t
GLQV
Output Enable Low to Output Valid
Max
25
35
ns
t
GLQX (2)
Output Enable Low to Output Transition
Min
5
5
ns
t
PD (4)
Chip Enable or UB/LB High to Power Down
Max
0
0
ns
t
PU (4)
Chip Enable or UB/LB Low to Power Up
Min
55
70
ns
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相关代理商/技术参数 |
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|---|---|
| M68AW256MN70ZH6T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4 Mbit (256K x16) 3.0V Asynchronous SRAM |
| M68AW511A | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4 Mbit (512K x8) 3.0V Asynchronous SRAM |
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| M68AW511AL55MC6T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4 Mbit (512K x8) 3.0V Asynchronous SRAM |
| M68AW511AL55NC1T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4 Mbit (512K x8) 3.0V Asynchronous SRAM |
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