AS4LC256K16EO
®
Write cycle
-35
Std Symbol Parameter
t
ASC
t
CAH
t
AWR
t
WCS
t
WCH
t
WCR
t
WP
t
RWL
t
CWL
t
DS
t
DH
t
DHR
Column address setup time
Column address hold time
Column address hold time to RAS
Write command setup time
Write command hold time
Write command hold time to RAS
Write command pulse width
Write command to RAS lead time
Write command to CAS lead time
Data-in setup time
Data-in hold time
Data-in hold time to RAS
Min
0
5
28
0
0
28
5
11
11
0
5
28
Max
–
–
–
–
–
–
–
–
–
–
–
–
Min
0
6
35
0
0
35
6
12
12
0
6
35
-45
Max
–
–
–
–
–
–
–
–
–
–
–
–
Min
0
10
40
0
0
40
10
12
12
0
10
45
-60
Max Unit
–
–
–
–
–
–
–
–
–
–
–
–
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
12
12
11
11
Notes
Read-modify-write cycle
-35
Std Symbol Parameter
t
RWC
t
RWD
t
CWD
t
AWD
t
RSH(W)
t
CAS(W)
Read-write cycle time
RAS to WE delay time
CAS to WE delay time
Column address to WE delay time
CAS to RAS hold time (write)
CAS pulse width (write)
Min
105
54
28
35
10
15
Max
–
–
–
–
–
–
Min
115
58
30
38
10
15
-45
Max
–
–
–
–
–
–
Min
120
60
30
40
12
15
-60
Max Unit
–
–
–
–
–
–
ns
ns
ns
ns
ns
ns
11
11
11
Notes
4/11/01; V.1.1
Alliance Semiconductor
P. 6 of 25
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
