X20C04
A.C. CHARACTERISTICS (Over the recommended operating conditions unless otherwise specified)
Read Cycle Limits
X20C04-15 X20C04-20 X20C04-25
X20C04
Symbol
Parameter
Read Cycle Time
Min. Max. Min. Max. Min. Max. Min. Max. Units
t
t
t
t
t
t
t
t
t
150
200
250
300
ns
ns
ns
ns
ns
ns
ns
ns
ns
RC
CE
AA
OE
Chip Enable Access Time
150
150
50
200
200
70
250
250
100
300
300
150
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
(3)
0
0
0
0
0
0
0
0
LZ
(3)
OLZ
(3)
80
80
100
100
100
100
100
100
HZ
(3)
OHZ
OH
0
0
0
0
3825 PGM T10
Read Cycle
t
RC
ADDRESS
CE
t
CE
t
OE
OE
V
IH
WE
t
t
OLZ
OHZ
t
t
t
LZ
HZ
OH
DATA I/O
DATA VALID
DATA VALID
t
AA
3825 FHD F05
Note: (3) t min., t , t
LZ HZ OLZ
min., and t
OHZ
are periodically sampled and not 100% tested. t max. and t
HZ
max. are measured, with
OHZ
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
XICOR [ XICOR INC. ]
