AS4LC4M4F1
®
Fast page mode cycle
-50
Symbol
t
CPA
t
RASP
t
PC
t
CP
t
PCM
t
CRW
Parameter
Access time from
CAS
precharge
RAS
pulse width
-60
Max
28
100K
–
–
–
–
Min
–
60
35
10
85
15
Max
35
100K
–
–
–
–
Unit
Notes
13
Min
–
50
30
10
80
12
Read-write cycle time
CAS
precharge time (fast page)
Fast page mode RMW cycle
Page mode
CAS
pulse width (RMW)
Output enable
-50
Symbol
t
CLZ
t
ROH
t
OEA
t
OED
t
OEZ
t
OEH
t
OLZ
t
OFF
Parameter
CAS to output in Low Z
RAS hold time referenced to OE
OE access time
OE to data delay
Output buffer turnoff delay from OE
OE command hold time
OE to output in Low Z
Output buffer turn-off time
Min
0
8
–
13
0
10
0
0
Max
–
–
13
–
13
–
–
13
Min
0
10
–
15
0
10
0
0
-60
Max
–
–
15
–
15
–
–
15
Unit
ns
ns
ns
ns
ns
ns
ns
ns
8,10
8
Notes
8
Self-refresh cycle
-50
Std Symbol
Parameter
t
RASS
RAS
pulse width (CBR self refresh)
RAS
precharge time (CBR self refresh)
t
RPS
t
CHS
CAS
hold time (CBR self refresh)
Min
100
90
8
Max
-
-
-
Min
100
105
10
-60
Max
-
-
-
Unit
µs
ns
nx
Notes
15
5/16/01; v.1.0 Restored
Alliance Semiconductor
P. 6 of 14
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
