WED8L24258V
AC CHARACTERISTICS READ CYCLE
Symbol
10ns
12ns
15ns
Parameter
Read
Address
Chip
Chip Enable to Output in Low Z (1)
Chip Disable to Output in High Z (1)
Output Hold fromAddress Change
Output Enable to Output Valid
Output Enable to Output in Low Z (1)
Output Disable to Output in High Z(1)
JEDEC
Time
Time
Access
TELQX
TEHQZ
TAVQX
TGLQV
TGLQX
Alt.
Min Max
Min Max
Min Max Units
Cycle
Access
Enable
TAVAV
TAVQV
TRC
TAA
TELQV
3
6
3
6
1012
15
ns
ns
1012
TACS
3
15
1012
ns
Time
3
15
ns
TCLZ
TCHZ
TOH
TOE
5
5
5
7
7
7
ns
ns
ns
3
3
TOLZ
00n0s
TGHQZ TOHZ
6
ns
NOTE 1: Parameter is guaranteed, but not tested.
FIG. 4 READ CYCLE 1 - W HIGH, G, E LOW
tAVAV
A
ADDRESS 1
ADDRESS 2
tAVQV
tAVQX
Q
DATA
1
DATA 2
FIG. 5 READ CYCLE 2 - W HIGH
tAVAV
A
E
tAVQV
tEHQZ
tELQV
tELQX
G
Q
tGLQV
tGLQX
tGHQZ
3
July 2002 Rev. 0A
ECO #15432
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
