MC-4516CD64PS Просмотр технического описания (PDF) - Elpida Memory, Inc
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MC-4516CD64PS Datasheet PDF : 16 Pages
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Asynchronous Characteristics
Parameter
Symbol
ACT to REF/ACT command period (Operation)
tRC
REF to REF/ACT command period (Refresh)
tRC1
ACT to PRE command period
tRAS
PRE to ACT command period
tRP
Delay time ACT to READ/WRITE command
tRCD
ACT(one) to ACT(another) command period
tRRD
Data-in to PRE command period
tDPL
Data-in to ACT(REF) command
/CAS latency = 3 tDAL3
period (Auto precharge)
/CAS latency = 2 tDAL2
Mode register set cycle time
tRSC
Transition time
tT
Refresh time (4,096 refresh cycles)
tREF
MIN.
90
90
60
30
30
20
10
1CLK+30
1CLK+30
2
1
- A10B
MAX.
120,000
30
64
Unit
Note
ns
ns
ns
ns
ns
ns
ns
ns
ns
CLK
ns
ms
Data Sheet E0065N10
9
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