参数资料
型号: WED8L24258V12BC
厂商: WHITE ELECTRONIC DESIGNS CORP
元件分类: SRAM
英文描述: 256K X 24 STANDARD SRAM, 12 ns, PBGA119
封装: 14 X 22 MM, MO-163, BGA-119
文件页数: 3/5页
文件大小: 442K
代理商: WED8L24258V12BC
3
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
July 2002 Rev. 0A
ECO #15432
WED8L24258V
AC CHARACTERISTICS READ CYCLE
Symbol
10ns
12ns
15ns
Parameter
JEDEC
Alt.
Min Max
Units
Read Cycle Time
TAVAV
TRC
1012
15
ns
AddressAccess Time
TAVQV
TAA
1012
15
ns
Chip EnableAccess Time
TELQV
TACS
1012
15
ns
Chip Enable to Output in Low Z (1)
TELQX
TCLZ
3
ns
Chip Disable to Output in High Z (1)
TEHQZ
TCHZ
5
6
7
ns
Output Hold fromAddress Change
TAVQX
TOH
3
ns
Output Enable to Output Valid
TGLQV
TOE
5
6
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
5
6
7
ns
FIG. 4 READCYCLE1-WHIGH,G,ELOW
FIG. 5 READCYCLE2-WHIGH
A
Q
tAVQV
tELQV
tGLQV
tELQX
tGLQX
tAVAV
tEHQZ
tGHQZ
G
E
A
Q
tAVQX
tAVQV
tAVAV
DATA 2
ADDRESS 1
ADDRESS 2
DATA 1
NOTE 1: Parameter is guaranteed, but not tested.
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