X20C05
A.C. CHARACTERISTICS
(Over the recommended operating conditions unless otherwise specified)
Read Cycle Limits
X20C05-35
Symbol
t
RC
t
CE
t
AA
t
OE
t
LZ(3)
t
OLZ(3)
t
HZ(3)
t
OHZ(3)
t
OH
Read Cycle
tRC
ADDRESS
tCE
CE
tOE
OE
VIH
WE
tOLZ
tLZ
DATA I/O
DATA VALID
tAA
3827 FHD F05
X20C05-45
Min.
45
Max.
45
45
25
0
0
X20C05-55
Min.
55
55
55
30
0
0
Max.
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
3827 PGM T10
Parameter
Read Cycle Time
Chip Enable Access Time
Address Access Time
Output Enable Access Time
Chip Enable to Output in Low Z
Output Enable to Output in Low Z
Chip Disable to Output in High Z
Output Disable to Output in High Z
Output Hold From Address Change
Min.
35
Max.
35
35
20
0
0
15
15
0
20
20
0
0
25
25
tOHZ
tOH
tHZ
DATA VALID
Note:
(3) t
LZ
min., t
HZ
, t
OLZ
min., and t
OHZ
are periodically sampled and not 100% tested. t
HZ
and t
OHZ
are measured, with C
L
= 5pF,
from the point when
CE
or
OE
return HIGH (whichever occurs first) to the time when the outptus are no longer driven.
6