参数资料
型号: WED8L24257V10BC
元件分类: SRAM
英文描述: 256K X 24 STANDARD SRAM, 10 ns, PBGA119
封装: BGA-119
文件页数: 3/6页
文件大小: 121K
代理商: WED8L24257V10BC
3
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
WED8L24257V
March 2000 Rev. 1
AC CHARACTERISTICS READ CYCLE
Symbol
10ns
12ns
15ns
Parameter
JEDECAlt.
Min
Max
Min
Max
Min
Max
Units
Read Cycle Time
tAVAV
tRC
1012
15
ns
Address Access Time
tAVQV
tAA
1012
15
ns
Chip Enable Access Time
tELQV
tACS
1012
15
ns
Chip Enable to Output in Low Z (1)
tELQX
tCLZ
33
3
ns
Chip Disable to Output in High Z (1)
tEHQZ
tCHZ
56
7
ns
Output Hold from Address Change
tAVQX
tOH
33
3
ns
Output Enable to Output Valid
tGLQV
tOE
56
7
ns
Output Enable to Output in Low Z (1)
tGLQX
tOLZ
00 0
ns
Output Disable to Output in High Z(1)
tGHQZ
tOHZ
56
7
ns
FIG. 4
READ CYCLE 1 - W HIGH, G, E LOW
FIG. 5
READ CYCLE 2 - W HIGH
A
Q
tAVQV
tELQV
tGLQV
tELQX
tGLQX
tAVAV
tEHQZ
tGHQZ
G
E
NOTE 1: Parameter is guaranteed, but not tested.
A
Q
tAVQX
tAVQV
tAVAV
DATA 2
ADDRESS 1
ADDRESS 2
DATA 1
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