參數(shù)資料
型號: MB8117405A-60
廠商: Fujitsu Limited
英文描述: CMOS 4M ×4 BIT Hyper Page Mode Dynamic RAM(CMOS 4M ×4 位超級頁面存取模式動態(tài)RAM)
中文描述: 的CMOS 4米× 4位超頁模式動態(tài)RAM的CMOS(4米× 4位超級頁面存取模式動態(tài)內(nèi)存)
文件頁數(shù): 8/28頁
文件大?。?/td> 348K
代理商: MB8117405A-60
8
MB8117405A-60/MB8117405A-70
I
AC CHARACTERISTICS
(At recommended operating conditions unless otherwise noted.)
Notes 3, 4, 5
MB8117405A-70
Min.
(Continued)
No.
Parameter
Notes
Symbol
MB8117405A-60
Min.
Unit
Max.
32.8
Max.
32.8
1
Time Between Refresh
t
REF
t
RC
ms
2
Random Read/Write Cycle Time
104
124
ns
3
4
5
6
7
8
9
10 Output Buffer Turn off Delay Time
Output Buffer Turn Off Delay
Time from RAS
Output Buffer Turn Off Delay
Time from WE
13 Transition Time
14 RAS Precharge Time
15 RAS Pulse Width
16 RAS Hold Time
17 CAS to RAS Precharge 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
t
RWC
t
RAC
t
CAC
t
AA
t
OH
t
OHC
t
ON
t
OFF
138
3
5
0
60
15
30
15
162
3
5
0
70
17
35
17
ns
ns
ns
ns
ns
ns
ns
ns
11
t
OFR
15
17
ns
12
t
WEZ
15
17
ns
t
T
t
RP
t
RAS
t
RSH
t
CRP
1
40
60
15
5
50
1
50
70
17
5
50
ns
ns
ns
ns
ns
100000
100000
18 RAS to CAS Delay Time
19 CAS Pulse Width
20 CAS Hold Time
21 CAS Precharge Time (Normal)
22 Row Address Set Up Time
23 Row Address Hold Time
24 Column Address Set Up Time
25 Column Address Hold Time
26 Column Address Hold Time from RAS
RAS to Column Address Delay
Time
28 Column Address to RAS Lead Time
29 Column Address to CAS Lead Time
30 Read Command Set Up Time
Read Command Hold Time
Referenced to RAS
Read Command Hold Time
Referenced to CAS
33 Write Command Set Up Time
34 Write Command Hold Time
35 Write Hold Time from RAS
t
RCD
t
CAS
t
CSH
t
CPN
t
ASR
t
RAH
t
ASC
t
CAH
t
AR
14
10
40
10
0
10
0
10
24
45
14
13
50
10
0
10
0
10
24
53
ns
ns
ns
ns
ns
ns
ns
ns
ns
27
t
RAD
12
30
12
35
ns
t
RAL
t
CAL
t
RCS
30
23
0
35
28
0
ns
ns
ns
31
t
RRH
0
0
ns
32
t
RCH
0
0
ns
t
WCS
t
WCH
t
WCR
0
10
24
0
10
24
ns
ns
ns
6, 9
7, 9
8, 9
10
10
10
21
11, 12, 22
19
13
14
14
15, 20
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