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參數(shù)資料
| 型號： | MC-454CB645 |
| 廠商： | NEC Corp. |
| 英文描述： | 4M-Word By 64-BIT Dynamic RAM Module(4M×64位動(dòng)態(tài)RAM模塊) |
| 中文描述： | 分詞，64位動(dòng)態(tài)RAM模塊（4米× 64位動(dòng)態(tài)內(nèi)存模塊） |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 132K |
| 代理商： | MC-454CB645 |
9
MC-454CB645
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC-454CB646 | 4 M-Word By 64-Bit Synchronous Dynamic RAM Module(同步動(dòng)態(tài)RAM 模塊) |
| MC-454CB64S | 4M-Word By 64-BIT Dynamic RAM Module(動(dòng)態(tài)RAM模塊) |
| MC-4564DC726 | 64M-Word By 72-BIT Dynamic RAM Module(動(dòng)態(tài)RAM模塊) |
| MC-4564EC726 | 64 M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC-454CB645FA-A10B | 制造商:NEC 制造商全稱:NEC 功能描述:4M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-454CB645LFA-A10B | 制造商:NEC 制造商全稱:NEC 功能描述:4M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC4556 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:DUAL OPERATIONAL AMPLIFIER |
| MC4556_07 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:DUAL OPERATIONAL AMPLIFIER |
| MC4556-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:DUAL OPERATIONAL AMPLIFIER |
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