AS4LC256K16EO
®
Write cycle
-35
-45
-60
Std Symbol Parameter
Min
0
Max
–
Min
0
Max
–
Min
0
Max Unit
Notes
tASC
tCAH
tAWR
tWCS
tWCH
tWCR
tWP
Column address setup time
–
–
–
–
–
–
–
–
–
–
–
–
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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
5
–
6
–
10
40
0
28
0
–
35
0
–
–
–
11
11
0
–
0
–
0
28
5
–
35
6
–
40
10
12
12
0
–
–
tRWL
tCWL
tDS
11
11
0
–
12
12
0
–
–
–
–
–
12
12
tDH
Data-in hold time
5
–
6
–
10
45
tDHR
Data-in hold time to RAS
28
–
35
–
Read-modify-write cycle
-35
-45
-60
Std Symbol Parameter
Min
105
54
Max
–
Min
115
58
Max
–
Min
120
60
Max Unit
Notes
tRWC
Read-write cycle time
–
–
–
–
–
–
ns
ns
ns
ns
ns
ns
tRWD
RAS to WE delay time
–
–
11
11
11
tCWD
CAS to WE delay time
28
–
30
–
30
tAWD
Column address to WE delay time
CAS to RAS hold time (write)
CAS pulse width (write)
35
–
38
–
40
tRSH(W)
tCAS(W)
10
–
10
–
12
15
–
15
–
15
4/11/01; V.1.1
Alliance Semiconductor
P. 6 of 25
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
