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MC-4516CB647XFA View Datasheet(PDF) - Elpida Memory, Inc

Part NameDescriptionManufacturer
MC-4516CB647XFA 16M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE Elpida
Elpida Memory, Inc Elpida
MC-4516CB647XFA Datasheet PDF : 14 Pages
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MC-4516CB647XFA
Asynchronous Characteristics
Parameter
Symbol
-A 75
Unit
MIN.
MAX.
ACT to REF/ACT command period (operation)
REF to REF/ACT command period (refresh)
ACT to PRE command period
PRE to ACT command period
Delay time ACT to READ/WRITE command
ACT(one) to ACT(another) command period
Data-in to PRE command period
Data-in to ACT(REF) command /CAS latency = 3
period (Auto precharge)
/CAS latency = 2
Mode register set cycle time
Transition time
Refresh time (4,096 refresh cycles)
tRC
tRC1
tRAS
tRP
tRCD
tRRD
tDPL
tDAL3
tDAL2
tRSC
tT
tREF
67.5
67.5
45
20
20
15
8
1CLK+22.5
1CLK+20
2
0.5
ns
ns
120,000
ns
ns
ns
ns
ns
ns
ns
CLK
30
ns
64
ms
Note This device can satisfy the tDAL3 spec of 1CLK+20 ns for up to and including 125 MHz operation.
Note
1
1
Data Sheet E0232N20 (Ver. 2.0)
9
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