AS4LC4M4E0 Просмотр технического описания (PDF) - Alliance Semiconductor
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Компоненты Описание
производитель
AS4LC4M4E0 Datasheet PDF : 15 Pages
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Write cycle
Symbol
tWCS
tWCH
tWP
tRWL
tCWL
tDS
tDH
Parameter
Write command setup time
Write command hold time
Write command pulse width
Write command to RAS lead time
Write command to CAS lead time
Data-in setup time
Data-in hold time
Read-modify-write cycle
Symbol Parameter
tRWC
tRWD
tCWD
tAWD
Read-write cycle time
RAS to WE delay time
CAS to WE delay time
Column address to WE delay time
Refresh cycle
Symbol
tCSR
tCHR
tRPC
tCPT
Parameter
CAS setup time (CAS-before-RAS)
CAS hold time (CAS-before-RAS)
RAS precharge to CAS hold time
CAS precharge time
(CBR counter test)
AS4LC4M4E0
AS4LC4M4E1
®
-50
Min
Max
0
–
10
–
10
–
10
–
8
–
0
–
8
–
-60
Min
Max
0
–
10
–
10
–
10
–
10
–
0
–
10
–
Unit Notes
ns 11
ns 11
ns
ns
ns
ns 12
ns 12
-50
Min
Max
113
–
67
–
32
–
42
–
-60
Min
Max
135
–
77
–
35
–
47
–
Unit Notes
ns
ns 11
ns 11
ns 11
-50
Min
Max
5
–
8
–
0
–
10
-60
Min
Max
5
–
10
–
0
–
10
–
Unit Notes
ns 3
ns 3
ns
ns
4/11/01; V.1.1
Alliance Semiconductor
P. 6 of 15
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