ISSUE 1.5 : December 1998
SYS321000ZK/LK - 012/015/20/25
AC OPERATING CONDITIONS
Read Cycle
-12
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 O/P in High Z
Output Disable to Output in High Z
Symbol
t
RC
t
AA
t
ACS
t
OE
t
OH
t
CLZ
t
OLZ
t
CHZ
t
OHZ
min
12
-
-
-
3
3
0
0
0
max
-
12
12
6
-
-
-
7
7
-15
min
15
-
-
-
3
3
0
0
0
max
-
15
15
7
-
-
-
7
7
-20
min
20
-
-
-
4
3
0
0
0
max
-
20
20
10
-
-
-
8
8
-25
min
25
-
-
-
5
3
0
0
0
max
-
25
25
12
-
-
-
10
10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
Write Cycle
-12
Parameter
Write Cycle Time
Chip Selection to End of Write
Address Valid to End of Write
Address Setup Time
Write Pulse Width
Write Recovery Time
Write to Output in High Z
Data to Write Time Overlap
Data Hold from Write Time
Output active from End of Write
Symbol
t
WC
t
CW
t
AW
t
AS
t
WP
t
WR
t
WHZ
t
DW
t
DH
t
OW
min
12
8
8
0
15
0
0
6
0
0
max
-
-
-
-
-
-
6
-
-
-
-15
min
15
12
12
0
15
0
0
8
0
0
max
-
-
-
-
-
-
7
-
-
-
-20
min
20
15
15
0
15
0
0
10
0
0
max
-
-
-
-
-
-
8
-
-
-
-25
min
25
15
15
0
15
0
0
12
0
0
max
-
-
-
-
-
-
10
-
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4
MOSAIC [ MOSAIC ]
