參數(shù)資料
型號: MB8117400A-60
廠商: Fujitsu Limited
英文描述: CMOS 4 M ×4 BIT Fast Page Mode DRAM(CMOS 4 M ×4位快速頁面存取模式動態(tài)RAM)
中文描述: 的CMOS 4米× 4位快速頁面模式的DRAM(的CMOS 4米× 4位快速頁面存取模式動態(tài)內(nèi)存)
文件頁數(shù): 8/27頁
文件大小: 304K
代理商: MB8117400A-60
8
MB8117400A-50/MB8117400A-60/MB8117400A-70
I
AC CHARACTERISTICS
(At recommended operating conditions unless otherwise noted.) Notes 3, 4, 5
No.
Parameter
Notes
Symbol
MB8117400A-
50
MB8117400A-
60
MB8117400A-70
Unit
Min.
Max.
Min.
Max.
Min.
Max.
1
Time Between Refresh
t
REF
32
32
32
ms
2
Random Read/Write Cycle Time
t
RC
90
110
130
ns
3
Read-Modify-Write Cycle Time
t
RWC
126
150
174
ns
4
Access Time from RAS
t
RAC
50
60
70
ns
5
Access Time from CAS
t
CAC
13
15
17
ns
6
Column Address Access Time
t
AA
25
30
35
ns
7
Output Hold Time
t
OH
3
3
3
ns
8
Output Buffer Turn On Delay Time
t
ON
0
0
0
ns
9
Output Buffer Turn off Delay Time
t
OFF
13
15
17
ns
10
Transition Time
t
T
3
50
3
50
3
50
ns
11
RAS Precharge Time
t
RP
30
40
50
ns
12
RAS Pulse Width
t
RAS
50
100000
60
100000
70
100000
ns
13
RAS Hold Time
t
RSH
13
15
17
ns
14
CAS to RAS Precharge Time
t
CRP
0
0
0
ns
15
RAS to CAS Delay Time
t
RCD
20
37
20
45
20
53
ns
16
CAS Pulse Width
t
CAS
13
15
17
ns
17
CAS Hold Time
t
CSH
50
60
70
ns
18
CAS Precharge Time (Normal)
t
CPN
10
10
10
ns
19
Row Address Setup Time
t
ASR
0
0
0
ns
20
Row Address Hold Time
t
RAH
10
10
10
ns
21
Column Address Setup Time
t
ASC
0
0
0
ns
22
Column Address Hold Time
t
CAH
13
15
15
ns
23
Column Address Hold Time from RAS
t
AR
35
35
35
ns
24
RAS to Column Address Delay
Time
t
RAD
15
25
15
30
15
35
ns
25
Column Address to RAS Lead Time
t
REL
25
30
35
ns
26
Column Address to CAS Lead Time
t
CAL
25
30
35
ns
27
Read Command Set Up Time
t
RCS
0
0
0
ns
28
Read Command Hold Time
Referenced to RAS
t
RRH
0
0
0
ns
29
Read Command Hold Time
Referenced to CAS
t
RCH
0
0
0
ns
6, 9
7, 9
8, 9
10
11, 12
19
13
14
14
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