MC-4516CD641XS 查看數據表（PDF） - Elpida Memory, Inc
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MC-4516CD641XS Datasheet PDF : 16 Pages
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MC-4516CD641ES,4516CD641PS,4516CD641XS
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 /CAS latency = 3
period (Auto precharge)
/CAS latency = 2
Mode register set cycle time
L Transition time
tRC
tRC1
tRAS
tRP
tRCD
tRRD
tDPL
tDAL3
tDAL2
tRSC
tT
MIN.
MAX.
MIN.
MAX.
70
70
70
78
48
120,000
50
120,000
20
20
20
20
16
20
8
10
1CLK+20
1CLK+20
1CLK+20
1CLK+20
2
2
0.5
30
1
30
ns
ns
ns
ns
ns
ns
ns
ns
ns
CLK
ns
Product Refresh time (4,096 refresh cycles)
tREF
64
64
ms
Data Sheet E0066N10
9
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