參數(shù)資料
型號: MC-458CB64ESB-A10B
廠商: NEC Corp.
英文描述: 8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE SO DIMM
中文描述: 800萬字,64位同步動態(tài)隨機(jī)存儲器模塊以便內(nèi)存
文件頁數(shù): 9/16頁
文件大?。?/td> 126K
代理商: MC-458CB64ESB-A10B
Data Sheet M12263EJAV0DS00
9
MC-458CB64ESB, 458CB64PSB
Asynchronous Characteristics
Parameter
Symbol
-A10B
Unit
Note
MIN.
MAX.
REF to REF/ACT command period
t
RC
90
ns
ACT to PRE command period
t
RAS
60
120,000
ns
PRE to ACT command period
t
RP
30
ns
Delay time ACT to READ/WRITE command
t
RCD
30
ns
ACT(0) to ACT(1) command period
t
RRD
20
ns
Data-in to PRE command period
t
DPL
10
ns
Data-in to ACT(REF) command /CAS latency = 3
t
DAL3
1CLK+30
ns
period (Auto precharge)
/CAS latency = 2
t
DAL2
1CLK+30
ns
Mode register set cycle time
t
RSC
2
CLK
Transition time
t
T
1
30
ns
Refresh time (4,096 refresh cycles)
t
REF
64
ms
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