X20C17
A.C. CHARACTERISTICS (Over the recommended operating conditions unless otherwise specified)
Read Cycle Limits
X20C17-35
-40 to +85°C
X20C17-45
X20C17-55
Symbol
Parameter
Read Cycle Time
Min.
Max.
Min.
Max.
Min.
Max.
Units
ns
t
35
45
55
RC
t
Chip Enable Access Time
35
35
20
45
45
25
55
55
30
ns
CE
t
Address Access Time
ns
AA
t
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
ns
OE
(3)
t
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
ns
LZ
(3)
t
ns
OLZ
(3)
t
15
15
20
20
25
25
ns
HZ
(3)
t
ns
OHZ
t
ns
OH
Read Cycle
t
RC
Address
CE
t
CE
t
OE
OE
WE
t
t
OLZ
OHZ
t
t
t
LZ
OH
HZ
Data I/O
Data Valid
Data Valid
t
AA
Notes: (3) t min., t , t
min., and t
are periodically sampled and not 100% tested. t max. and t
max. are measured, with C = 5pF,
LZ
HZ OLZ
OHZ
HZ
OHZ L
from the point when CE or OE return high (whichever occurs first) to the time when the outputs are no longer driven.
Characteristics subject to change without notice. 6 of 12
XICOR [ XICOR INC. ]
