Read Cycle
20
Parameter
Read Cycle Time
Address Access Time
Chip Select Access Time
Output Enable to Output Valid
Output Hold From Address Change
Chip Selection to Output in Low Z
Output Enable to Output in Low Z
Chip Deselection to Output in High Z
Output Disable to Output in High Z
25
AC Operating Conditions
Symbol Min Max Min Max Units
t
RC
t
AA
t
ACS
t
OE
t
OH
t
CLZ
t
OLZ
t
CHZ
t
OHZ
20
-
-
-
3
3
0
0
0
-
20
20
9
-
-
-
9
9
25
-
-
-
3
3
0
0
0
-
25
25
12
-
-
-
10
10
ns
ns
ns
ns
ns
ns
ns
ns
ns
Write Cycle
20
Parameter
Write Cycle Time
Chip Selection to End of Write
Address Valid to End of Write
Address Setup Time
Write Pulse Width (/OE High)
Write Pulse Width (/OE Low)
Write Recovery Time
Write to Output in High Z
Data to Write Time Overlap
Data Hold time from Write Time
Output Active from End of Write
Symbol
t
WC
t
CW
t
AW
t
AS
t
WP1
t
WP2
t
WR
t
WHZ
t
DW
t
DH
t
OW
Min
20
15
15
0
13
14
0
0
9
0
3
Max
-
-
-
-
-
-
-
9
-
-
-
Min
25
20
20
0
15
15
0
0
10
0
3
25
Max
-
-
-
-
-
-
-
10
-
-
-
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
PAGE 5
Issue 5.2 April 2001
MOSAIC [ MOSAIC ]
