參數(shù)資料
型號(hào): MC-4564DC726
廠商: NEC Corp.
英文描述: 64M-Word By 72-BIT Dynamic RAM Module(動(dòng)態(tài)RAM模塊)
中文描述: 6400 - Word的72位動(dòng)態(tài)內(nèi)存模塊(動(dòng)態(tài)內(nèi)存模塊)
文件頁(yè)數(shù): 10/20頁(yè)
文件大?。?/td> 170K
代理商: MC-4564DC726
10
MC-4564DC726
Asynchronous Characteristics (Registered Mode)
Parameter
Symbol
-A80
-A10
Unit
Note
MIN.
MAX.
MIN.
MAX.
ACT to REF/ACT command period (Operation)
t
RC
70
70
ns
REF to REF/ACT command period (Refresh)
t
RC1
70
78
ns
ACT to PRE command period
t
RAS
48
120,000
50
120,000
ns
PRE to ACT command period
t
RP
20
20
ns
Delay time ACT to READ/WRITE command
t
RCD
20
20
ns
ACT(0) to ACT(1) command period
t
RRD
16
20
ns
Data-in to PRE command period
t
DPL
1CLK+8
1CLK+10
ns
Data-in to ACT(REF) command period /CAS latency = 3
t
DAL3
20
20
ns
(Auto precharge)
/CAS latency = 2
t
DAL2
20
20
ns
Mode register set cycle time
t
RSC
2
2
CLK
Transition time
t
T
0.5
30
1
30
ns
Refresh time (4,096 refresh cycles)
t
REF
64
64
ms
相關(guān)PDF資料
PDF描述
MC-4564EC726 64 M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-4564EC727 64M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-4564EC726EFB-A10 64 M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-4564EC726EFB-A80 64 M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-4564EC726PFB-A10 64 M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC-4564EC726 制造商:NEC 制造商全稱:NEC 功能描述:64 M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-4564EC726EFB-A10 制造商:NEC 制造商全稱:NEC 功能描述:64 M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-4564EC726EFB-A80 制造商:NEC 制造商全稱:NEC 功能描述:64 M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-4564EC726PFB-A10 制造商:NEC 制造商全稱:NEC 功能描述:64 M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-4564EC726PFB-A80 制造商:NEC 制造商全稱:NEC 功能描述:64 M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE