MSM8128 - 70/85/10/12
Issue 4.5 : April 2001
AC
OPERATING CONDITIONS
Read Cycle
Parameter
Read Cycle Time
Address Access Time
Chip Select (CS1) Access Time
(2)
Chip Select (CS2) Access Time
(2)
Output Enable to Output Valid
Output Hold from Address Change
Chip Selection (CS1) to Output in Low Z
Chip Selection (CS2) to Output in Low Z
Output Enable to Output in Low Z
Chip Disable (CS1) to Output in High Z
(3)
Chip Disable (CS2) to Output in High Z
(3)
Output Disable to Output in High Z
(3)
Symbol
t
RC
t
AA
t
ACS1
t
ACS2
t
OE
t
OH
t
CLZ1
t
CLZ2
t
OLZ
t
CHZ1
t
CHZ2
t
OHZ
70
min max
70
-
-
-
-
5
10
10
5
0
0
0
-
70
70
70
35
-
-
-
-
35
35
30
85
min max
85
-
-
-
-
5
10
10
5
0
0
0
-
85
85
85
45
-
-
-
-
35
35
30
10
min max
100
-
-
-
-
10
10
10
5
0
0
0
-
100
100
100
50
-
-
-
-
35
35
35
12
min max
120
-
-
-
-
10
10
10
5
0
0
0
-
120
120
120
60
-
-
-
-
45
45
45
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Write Cycle
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 (WE, CS1)
Symbol
t
WC
t
CW
t
AW
t
AS
t
WP
t
WR1
t
WR2
t
WHZ
t
DW
t
DH
t
OW
70
min max
70
60
60
0
50
5
5
0
30
0
5
-
-
-
-
-
-
-
30
-
-
-
85
min max
85
75
75
0
60
5
5
0
35
0
5
-
-
-
-
-
-
-
30
-
-
-
10
min max
100
85
85
0
70
5
5
0
40
0
5
-
-
-
-
-
-
-
35
-
-
-
12
min max
120
100
100
0
70
5
5
0
45
0
5
-
-
-
-
-
-
-
40
-
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(CS2)
Write to Output in High Z
Data to Write Time Overlap
Data Hold from Write Time
Output Active from End of Write
"
MOSAIC [ MOSAIC ]
