AS4LC4M4E1-50TC View Datasheet(PDF) - Alliance Semiconductor
Part Name
Description
Manufacturer
AS4LC4M4E1-50TC Datasheet PDF : 15 Pages
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Hyper page mode cycle
Symbol
tCPWD
tCPA
tRASP
tDOH
tREZ
tWEZ
tOEZ
tHPC
tHPRWC
tRHCP
Parameter
CAS precharge to WE delay time
Access time from CAS precharge
RAS pulse width
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
Hyper page mode RMW cycle
RAS hold time from CAS
Output enable
Symbol
tCLZ
tROH
tOEA
tOED
tOEZ
tOEH
tOLZ
tOFF
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
Self-refresh cycle
Std
Symbol
tRASS
tRPS
tCHS
Parameter
RAS pulse width
(CBR self refresh)
RAS precharge time
(CBR self refresh)
CAS hold time
(CBR self refresh)
AS4LC4M4E0
AS4LC4M4E1
®
-50
Min
Max
45
–
–
28
50
100K
5
–
0
13
0
13
0
13
20
–
47
–
30
–
-60
Min
Max
52
–
–
35
60
100K
5
–
0
15
0
15
0
15
25
–
56
–
35
–
Unit Notes
ns
ns 13
ns
ns
ns
ns
ns
ns
ns
ns
-50
Min
Max
0
–
8
–
–
13
13
–
0
13
10
–
0
–
0
13
-60
Min
Max
0
–
10
–
–
15
15
–
0
15
10
–
0
–
0
15
Unit Notes
ns 8
ns
ns
ns
ns 8
ns
ns
ns 8,10
-50
Min Max
100
–
90
–
8
–
-60
Min
Max
100
–
Unit
µs
105
–
ns
10
–
ns
Notes
4/11/01; V.1.1
Alliance Semiconductor
P. 7 of 15
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