參數(shù)資料
型號: MB814405D-70
廠商: Fujitsu Limited
英文描述: 1M ×4BIT Hyper Page Mode Dynamic RAM(CMOS 1M ×4 位超級頁面存取模式動(dòng)態(tài)RAM)
中文描述: 100萬× 4位超頁模式動(dòng)態(tài)RAM的CMOS(100萬× 4位超級頁面存取模式動(dòng)態(tài)內(nèi)存)
文件頁數(shù): 8/29頁
文件大?。?/td> 596K
代理商: MB814405D-70
8
MB814405D-60/60L/-70/70L
I
AC CHARACTERISTICS
(At recommended operating conditions unless otherwise noted.) Notes 3, 4, 5
(Continued)
No.
Parameter
Notes
Symbol
MB814405D-60
Min.
105
142
0
5
0
MB814405D-70
Min.
125
167
0
5
0
Unit
Max.
16.4
128
60
15
30
15
Max.
16.4
128
70
20
35
15
1
Time Between Refresh
Std power
Low power
t
REF
ms
2
3
4
5
6
7
8
9
10
Random Read/Write Cycle Time
Read-Modify-Write Cycle Time
Access Time from RAS
Access Time from CAS
Column Address Access Time
Output Hold Time
Output Hold Time from CAS
Output Buffer Turn On Delay Time
Output Buffer Turn Off Delay Time
Output Buffer Turn Off Delay
Time from RAS
Output Buffer Turn Off Delay
Time from WE
Transition Time
RAS Precharge Time
RAS Pulse Width
RAS Hold Time
CAS to RAS Precharge Time
RAS to CAS Delay Time
CAS Pulse Width
CAS Hold Time
CAS Precharge Time (Normal)
Row Address Set Up Time
Row Address Hold Time
Column Address Set Up Time
Column Address Hold Time
RAS to Column Address Delay
Time
Column Address to RAS Lead Time
Column Address to CAS Lead Time
Read Command Set Up Time
Read Command Hold Time
Referenced to RAS
Read Command Hold Time
Referenced to CAS
Write Command Set Up Time
Write Command Hold Time
WE Pulse Width
Write Command to RAS Lead Time
Write Command to CAS Lead Time
t
RC
t
RWC
t
RAC
t
CAC
t
AA
t
OH
t
OHC
t
ON
t
OFF
ns
ns
ns
ns
ns
ns
ns
ns
ns
*6,9
*7,9
*8,9
*10
11
*10
t
OFR
15
15
ns
12
*10
t
WEZ
15
15
ns
13
14
15
16
17
18
19
20
21
22
23
24
25
t
T
t
RP
t
RAS
t
RSH
t
CRP
t
RCD
t
CAS
t
CSH
t
CPN
t
ASR
t
RAH
t
ASC
t
CAH
2
40
60
15
5
20
10
40
10
0
10
0
10
50
2
45
70
20
5
20
15
50
10
0
10
0
15
50
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
100000
45
10000
100000
50
10000
*21
*11,12,22
*19
26
*13
t
RAD
15
30
15
35
ns
27
28
29
t
RAL
t
CAL
t
RCS
30
30
0
35
35
0
ns
ns
ns
30
*14
t
RRH
2
2
ns
31
*14
t
RCH
0
0
ns
32
33
34
35
36
*15
t
WCS
t
WCH
t
WP
t
RWL
t
CWL
0
10
10
15
10
0
10
10
15
15
ns
ns
ns
ns
ns
相關(guān)PDF資料
PDF描述
MB814405D-7OL 1M ×4BIT Hyper Page Mode Dynamic RAM(CMOS 1M ×4 位超級頁面存取模式動(dòng)態(tài)RAM)
MB814800-60 CMOS 512K ×8 BIT FAST PAGE MODE DYNAMIC RAM(CMOS 512K ×8位快速頁面存取模式動(dòng)態(tài)RAM)
MB814800-70 CMOS 512K ×8 BIT FAST PAGE MODE DYNAMIC RAM(CMOS 512K ×8位快速頁面存取模式動(dòng)態(tài)RAM)
MB81F643242C 4 X 512 K X 32 BIT SYNCHRONOUS DYNAMIC RAM
MB81F643242C-10 4 X 512 K X 32 BIT SYNCHRONOUS DYNAMIC RAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB8146112 制造商:FUJITSU 功能描述:*
MB81461-12PSZ 制造商:FUJITSU 功能描述:VRAM, FAST PAGE, 64KX4, 24 Pin, Plastic, ZIP
MB81461B-12 制造商:FUJITSU 功能描述: 制造商:FUGITSU 功能描述:81461B-12 制造商:FUJITSU 功能描述:81461B-12
MB81464-12 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:MOS 262,144 BIT DYNAMIC RANDOM ACCESS MEMORY
MB81464-12P 制造商:FUJI 功能描述: 制造商:Fuji Electric 功能描述: 制造商:FUJITSU 功能描述: 制造商:FUJITSU 功能描述:64K X 4 PAGE MODE DRAM, 120 ns, PDIP18