AS4C4M4EOQ
AS4C4M4E1Q
®
Hyper page mode cycle
-50
-60
Symbol Parameter
Min
45
–
Max
–
Min
52
–
Max
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
13
tCPWD
tCPA
CAS precharge to WE delay time
Access time from CAS precharge
RAS pulse width
28
100K
–
35
100K
–
tRASP
tDOH
tREZ
50
5
60
5
Previous data hold time from CAS
Output buffer turn off delay from RAS
Output buffer turn off delay from WE
Output buffer turn off delay from OE
Hyper page mode cycle time
0
13
13
13
–
0
15
15
15
–
tWEZ
tOEZ
tHPC
0
0
0
0
20
47
30
25
56
35
tHPRWC Hyper page mode RMW cycle
tRHCP RAS hold time from CAS
–
–
–
–
Output enable
-50
-60
Symbol Parameter
Min
0
Max
–
Min
0
Max
–
Unit
ns
Notes
8
tCLZ
tROH
tOEA
tOED
tOEZ
tOEH
tOLZ
tOFF
CAS to output in Low Z
RAS hold time referenced to OE
OE access time
8
–
10
–
–
ns
–
13
–
15
–
ns
OE to data delay
13
0
15
0
ns
Output buffer turnoff delay from OE
OE command hold time
OE to output in Low Z
13
–
15
–
ns
8
10
0
10
0
ns
–
–
ns
Output buffer turn-off time
0
13
0
15
ns
8,10
Self-refresh cycle
-50
-60
Std
Symbol
Parameter
Min
Max
Min
Max
–
Unit
µs
Notes
RAS pulse width
(CBR self refresh)
tRASS
100
90
–
–
–
100
105
-50
RAS precharge time
(CBR self refresh)
tRPS
–
–
ns
ns
CAS hold time
(CBR self refresh)
tCHS
-50
3/22/01; v.1.0
Alliance Semiconductor
P. 8 of 16
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
