PUMA2/67/77S4000/A-020/025/35
AC OPERATING CONDITIONS
Read Cycle
Issue4.3:December1999
020
max
025
max
35
max Units
Parameter
Symbol
min
min
min
Read Cycle Time
tRC
tAA
20
-
-
20
20
9
25
-
-
25
25
8
35
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
Address Access Time
35
35
12
-
Chip Select Access Time
tACS
tOE
-
-
-
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(3) tCHZ
Output Disable to Output in High Z(3) tOHZ
-
-
-
tOH
tCLZ
tOLZ
5
6
0
0
0
-
5
5
0
-
-
5
5
0
-
-
-
-
-
-
-
9
15
15
15
15
9
-
-
Write Cycle
020
025
35
Parameter
Symbol min
max
min
max
min
max Unit
Write Cycle Time
tWC
tCW
tAW
tAS
20
15
15
0
-
-
25
16
16
0
-
-
35
20
20
0
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Chip Selection to End of Write
Address Valid to End of Write
Address Setup Time
-
-
-
-
-
-
Write Pulse Width
tWP
tWR
tDW
tOW
tDH
15
0
-
15
5
-
20
5
-
Write Recovery Time
-
-
-
Data to Write Time Overlap
Output Active from End of Write
Data Hold from Write Time
Write to Output High Z
0
15
-
10
3
-
15
3
-
15
2*
5
-
-
-
2*
0
-
2*
0
-
tWHZ
-
10
10
* Note : Only applies to PUMA 67S4000/A otherwise tDH (min) = 0
4
MOSAIC [ MOSAIC ]
