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