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參數(shù)資料
| 型號： | MC-458CA725 |
| 廠商： | NEC Corp. |
| 英文描述： | 8M-Word By 72-BIT Dynamic RAM Module(8M×72位動態(tài)RAM模塊) |
| 中文描述： | 800萬字由72位動態(tài)內(nèi)存模塊（8米× 72位動態(tài)內(nèi)存模塊） |
| 文件頁數(shù)： | 8/16頁 |
| 文件大?。?/td> | 135K |
| 代理商： | MC-458CA725 |
8
MC-458CA725
Synchronous Characteristics
Parameter
Symbol
-A10B
Unit
Note
MIN.
MAX.
Clock cycle time
/CAS latency = 3
t
CK3
10
(100 MHz)
ns
/CAS latency = 2
t
CK2
15
(67 MHz)
ns
Access time from CLK
/CAS latency = 3
t
AC3
7
ns
1
/CAS latency = 2
t
AC2
8
ns
1
CLK high level width
t
CH
3.5
ns
CLK low level width
t
CL
3.5
ns
Data-out hold time
t
OH
3
ns
1
Data-out low-impedance time
t
LZ
0
ns
Data-out high-impedance time /CAS latency = 3
t
HZ3
3
7
ns
/CAS latency = 2
t
HZ2
3
8
ns
Data-in setup time
t
DS
2.5
ns
Data-in hold time
t
DH
1
ns
Address setup time
t
AS
2.5
ns
Address hold time
t
AH
1
ns
CKE setup time
t
CKS
2.5
ns
CKE hold time
t
CKH
1
ns
CKE setup time (Power down exit)
t
CKSP
2.5
ns
Command (/CS0, /CS2, /RAS, /CAS, /WE,
DQMB0 - DQMB7) setup time
t
CMS
2.5
ns
Command (/CS0, /CS2, /RAS, /CAS, /WE,
DQMB0 - DQMB7) hold time
t
CMH
1
ns
Note 1.
Output load
Output
Z = 50
1.4 V
50 pF
50
Remark
These specifications are applied to the monolithic device.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MC-458CA726 | 制造商:NEC 制造商全稱:NEC 功能描述:8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-458CA726EFB-A10 | 制造商:NEC 制造商全稱:NEC 功能描述:8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-458CA726EFB-A80 | 制造商:NEC 制造商全稱:NEC 功能描述:8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-458CA726PFB-A10 | 制造商:NEC 制造商全稱:NEC 功能描述:8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-458CA726PFB-A80 | 制造商:NEC 制造商全稱:NEC 功能描述:8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
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