X20C04
A.C. CHARACTERISTICS
(Over the recommended operating conditions unless otherwise specified)
Read Cycle Limits
X20C04-15
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
3825 FHD F05
X20C04-20 X20C04-25
200
250
200
200
70
0
0
0
0
100
100
0
0
100
100
250
250
100
X20C04
300
300
300
150
0
0
100
100
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
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. Max. Min. Max. Min. Max. Min. Max. Units
150
150
150
50
0
0
80
80
0
3825 PGM T10
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
max. and t
OHZ
max. 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
XICOR [ XICOR INC. ]
