MC-4564EC726PFB-A10 查看數據表（PDF） - NEC => Renesas Technology
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MC-4564EC726PFB-A10
NEC => Renesas Technology
MC-4564EC726PFB-A10 Datasheet PDF : 16 Pages
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MC-4564EC726
Asynchronous Characteristics
Parameter
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)
Symbol
-A 80
-A 10
MIN.
MAX.
MIN.
MAX.
tRC
70
70
tRC1
70
78
tRAS
48
120,000
50
120,000
tRP
20
20
tRCD
20
20
tRRD
16
tDPL
−1CLK+8
20
−1CLK+10
tDAL3
20
20
tDAL2
20
20
tRSC
2
2
tT
0.5
30
1
30
tREF
64
64
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
CLK
ns
ms
Note
10
Data Sheet M14460EJ2V0DS00
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