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參數(shù)資料
| 型號(hào)： | MC-45D32CD641 |
| 廠商： | NEC Corp. |
| 英文描述： | 32 M-WORD BY 64-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| 中文描述： | 32的M - Word的64位DDR同步動(dòng)態(tài)RAM模塊無(wú)緩沖型 |
| 文件頁(yè)數(shù)： | 9/16頁(yè) |
| 文件大?。?/td> | 259K |
| 代理商： | MC-45D32CD641 |
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Preliminary Data Sheet M14900EJ1V0DS00
9
MC-45D32CC721
Asynchronous Characteristics
Parameter
Symbol
-C75(PC266B)
-C80(PC200)
Unit
MIN.
MAX.
MIN.
MAX.
ACT to REF/ACT command period (operation)
t
RC
65
70
ns
REF to REF/ACT command period (refresh)
t
RFC
75
80
ns
ACT to PRE command period
t
RAS
45
120,000
50
120,000
ns
PRE to ACT command period
t
RP
20
20
ns
ACT to READ/WRITE delay
t
RCD
20
20
ns
ACT(one) to ACT(another) command period
t
RRD
15
15
ns
Write recovery time
t
WR
15
15
ns
Auto precharge write recovery time + precharge time
t
DAL
35
35
ns
Mode register set command cycle time
t
MRD
15
15
ns
Exit self refresh to command
t
XSNR
75
80
ns
Refresh time (4,096 refresh cycles)
t
REF
64
64
ms
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC-45D32CD641KFA-C75 | 制造商:NEC 制造商全稱:NEC 功能描述:32 M-WORD BY 64-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-45D32CD641KFA-C80 | 制造商:NEC 制造商全稱:NEC 功能描述:32 M-WORD BY 64-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-45D32DA721 | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE |
| MC-45D32DA721KFA-C75 | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE |
| MC-45D32DA721KFA-C80 | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE |
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