參數(shù)資料
型號: MB814400A-70
廠商: Fujitsu Limited
英文描述: CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4M ×1 位快速頁面存取模式動態(tài)RAM)
中文描述: 的CMOS 4米× 1位快速頁面模式的DRAM的CMOS(4分× 1位快速頁面存取模式動態(tài)內(nèi)存)
文件頁數(shù): 7/27頁
文件大?。?/td> 347K
代理商: MB814400A-70
7
MB814400A-60/MB814400A-70/MB814400A-80
I
AC CHARACTERISTICS
(At recommended operating conditions unless otherwise noted.)
Notes 3, 4, 5
No.
Parameter
Notes
Symbol
MB814400A-60 MB814400A-70 MB814400A-80
Min.
Max.
Min.
16.4
110
125
155
175
60
Unit
Max.
16.4
70
Min.
140
195
Max.
16.4
80
1
2
3
4
Time Between Refresh
Random Read/Write Cycle Time
Read-Modify-Write Cycle Time
Access Time from RAS
t
REF
t
RC
t
RWC
t
RAC
ms
ns
ns
ns
5
Access Time from CAS
Column Address Access
Time
Output Hold Time
Output Buffer Turn On Delay Time
Output Buffer Turn off Delay
Time
10 Transition Time
11 RAS Precharge Time
12 RAS Pulse Width
13 RAS Hold Time
14 CAS to RAS Precharge Time
15 RAS to CAS Delay Time
16 CAS Pulse Width
17 CAS Hold Time
CAS Precharge Time
(Normal)
19 Row Address Set Up Time
20 Row Address Hold Time
21 Column Address Set Up Time
22 Column Address Hold Time
RAS to Column Address
Delay Time
24 Column Address to RAS Lead Time
25 Column Address to CAS Lead Time
26 Read Command Set Up Time
Read Command Hold Time
Referenced to RAS
Read Command Hold Time
Referenced to CAS
Write Command Set Up
Time
30 Write Command Hold Time
t
CAC
15
20
20
ns
6
t
AA
30
35
40
ns
7
8
t
OH
t
ON
0
0
0
0
0
0
ns
ns
9
t
OFF
15
15
20
ns
t
T
t
RP
t
RAS
t
RSH
t
CRP
t
RCD
t
CAS
t
CSH
2
40
60
15
5
20
15
60
50
2
45
70
20
5
20
20
70
50
2
50
80
20
5
20
20
80
50
ns
ns
ns
ns
ns
ns
ns
ns
10000
45
10000
50
10000
60
18
t
CPN
10
10
10
ns
t
ASR
t
RAH
t
ASC
t
CAH
0
10
0
12
0
10
0
12
0
10
0
15
ns
ns
ns
ns
23
t
RAD
15
30
15
35
15
40
ns
t
RAL
t
CAL
t
RCS
30
30
0
35
35
0
40
40
0
ns
ns
ns
27
t
RRH
0
0
0
ns
28
t
RCH
0
0
0
ns
29
t
WCS
0
0
0
ns
t
WCH
10
10
12
ns
6, 9
7, 9
8, 9
10
11, 12
19
13
14
14
15
相關(guān)PDF資料
PDF描述
MB814400A-80 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4M ×1 位快速頁面存取模式動態(tài)RAM)
MB814400C-60 CMOS 1 M ×4BIT Fast Page Mode DRAM(CMOS 1 M ×4 位快速頁面存取模式動態(tài)RAM)
MB814400C-70 CMOS 1 M ×4 BIT Fast Page Mode DRAM(CMOS 1 M ×4 位快速頁面存取模式動態(tài)RAM)
MB814400D-60 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4 M ×1位速頁面存取模式動態(tài)RAM)
MB814400D-70 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4 M ×1位速頁面存取模式動態(tài)RAM)
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