MC-4516CD642XS-A75 데이터 시트보기 (PDF) - Elpida Memory, Inc
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MC-4516CD642XS-A75 Datasheet PDF : 14 Pages
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MC-4516CD642XS
Asynchronous Characteristics
Parameter
Symbol
-A75
Unit Note
MIN.
MAX.
ACT to REF/ACT command period (Operation)
tRC
67.5
ns
REF to REF/ACT command period (Refresh)
tRC1
67.5
ns
ACT to PRE command period
PRE to ACT command period
Delay time ACT to READ/WRITE command
ACT (one) to ACT (another) command period
EData-in to PRE command
/CAS latency = 3
period
/CAS latency = 2
Data-in to ACT (REF) command /CAS latency = 3
Operiod (Auto precharge)
/CAS latency = 2
Mode register set cycle time
Transition time
L Refresh time (4,096 refresh cycles)
tRAS
tRP
tRCD
tRRD
tDPL3
tDPL2
tDAL3
tDAL2
tRSC
tT
tREF
45
20
20
15
8
8
1CLK+22.5
1CLK+20
2
0.5
120,000
30
64
ns
ns
ns
ns
ns
ns
ns
1
ns
CLK
ns
ms
Product Note 1. This device can satisfy the tDAL3 spec of 1CLK+20 ns for up to and including 125 MHz operation.
Data Sheet E0116N20
9
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