參數(shù)資料
型號: MB8117805B-60
廠商: Fujitsu Limited
英文描述: CMOS 2M ×8 BIT Hyper Page Mode Dynamic RAM(CMOS 2M ×8 位超級頁面存取模式動(dòng)態(tài)RAM)
中文描述: 的CMOS 200萬× 8位超頁模式動(dòng)態(tài)RAM的CMOS(200萬× 8位超級頁面存取模式動(dòng)態(tài)內(nèi)存)
文件頁數(shù): 8/29頁
文件大小: 574K
代理商: MB8117805B-60
8
MB8117805B-50/-60
I
AC CHARACTERISTICS
(At recommended operating conditions unless otherwise noted.) Notes 3, 4, 5
(Continued)
No.
Parameter
Notes
Symbol
MB8117805B-50
MB8117805B-60
Unit
Min.
Max.
Min.
Max.
1
Time Between Refresh
t
REF
32.8
32.8
ms
2
Random Read/Write Cycle Time
t
RC
84
104
ns
3
Read-Modify-Write Cycle Time
t
RWC
114
138
ns
4
Access Time from RAS
*6,9
t
RAC
50
60
ns
5
Access Time from CAS
*7,9
t
CAC
15
15
ns
6
Column Address Access Time
*8,9
t
AA
25
30
ns
7
Output Hold Time
t
OH
3
3
ns
8
Output Hold Time from CAS
t
OHC
5
5
ns
9
Output Buffer Turn On Delay Time
t
ON
0
0
ns
10
Output Buffer Turn Off Delay Time
*10
t
OFF
13
15
ns
11
Output Buffer Turn Off Delay Time
from RAS
*10
t
OFR
13
15
ns
12
Output Buffer Turn Off Delay Time
from WE
*10
t
WEZ
13
15
ns
13
Transition Time
t
T
1
50
1
50
ns
14
RAS Precharge Time
t
RP
30
40
ns
15
RAS Pulse Width
t
RAS
50
100000
60
100000
ns
16
RAS Hold Time
t
RSH
13
15
ns
17
CAS to RAS Precharge Time
*21
t
CRP
5
5
ns
18
RAS to CAS Delay Time
*11,12,22
t
RCD
11
35
14
45
ns
19
CAS Pulse Width
t
CAS
7
10
ns
20
CAS Hold Time
t
CSH
38
40
ns
21
CAS Precharge Time (Normal)
*19
t
CPN
7
10
ns
22
Row Address Set Up Time
t
ASR
0
0
ns
23
Row Address Hold Time
t
RAH
7
10
ns
24
Column Address Set Up Time
t
ASC
0
0
ns
25
Column Address Hold Time
t
CAH
7
10
ns
26
Column Address Hold Time from
RAS
t
AR
18
24
ns
27
RAS to Column Address Delay
Time
*13
t
RAD
9
25
12
30
ns
28
Column Address to RAS Lead Time
t
RAL
25
30
ns
29
Column Address to CAS Lead Time
t
CAL
18
23
ns
30
Read Command and Set Up Time
t
RCS
0
0
ns
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