MC-4532CD646 데이터 시트보기 (PDF) - Elpida Memory, Inc
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MC-4532CD646 Datasheet PDF : 16 Pages
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MC-4532CD646
Asynchronous Characteristics
Parameter
Symbol
-A 80
-A 10
Unit Note
ACT to REF/ACT command period (Operation)
REF to REF/ACT command period (Refresh)
ACT to PRE command period
PRE to ACT command period
EDelay time ACT to READ/WRITE command
ACT(one) to ACT(another) command period
Data-in to PRE command period
OData-in to ACT(REF) command period /CAS latency = 3
(Auto precharge)
/CAS latency = 2
Mode register set cycle time
L Transition time
MIN.
MAX.
MIN.
MAX.
tRC
70
70
ns
tRC1
70
78
ns
tRAS
48 120,000 50 120,000 ns
tRP
20
20
ns
tRCD
20
20
ns
tRRD
16
20
ns
tDPL
8
10
ns
tDAL3 1CLK+20
1CLK+20
ns
tDAL2 1CLK+20
1CLK+20
ns
tRSC
2
2
CLK
tT
0.5
30
1
30
ns
Product Refresh time (4,096 refresh cycles)
tREF
64
64
ms
Data Sheet E0055N10
9
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