參數(shù)資料
型號: MB8116400A-70
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): 7/25頁
文件大?。?/td> 307K
代理商: MB8116400A-70
7
MB8116400A-50/MB8116400A-60/MB8116400A-70
I
AC CHARACTERISTICS
(At recommended operating conditions unless otherwise noted.)
Notes 3, 4, 5
MB8116400A-
No.
Parameter
Notes
Sym-
bol
MB8116400A-
50
Min.
90
126
MB8116400A-
60
Min.
110
150
70
Unit
Max.
65.6
Max.
65.6
Min.
130
174
Max.
65.6
1
2
3
Time Between Refresh
Random Read/Write Cycle Time
Read-Modify-Write Cycle Time
t
REF
t
RC
t
RWC
ms
ns
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
8
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
t
OH
t
ON
3
0
3
0
3
0
ns
ns
9
t
OFF
13
15
17
ns
t
T
t
RP
t
RAS
t
RSH
t
CRP
3
50
3
50
3
50
ns
ns
ns
ns
ns
30
50
13
0
40
60
15
0
50
70
17
0
100000
100000
100000
15 RAS to CAS Delay Time
t
RCD
20
37
20
45
20
53
ns
16 CAS Pulse Width
17 CAS Hold Time
t
CAS
t
CSH
13
50
15
60
17
70
ns
ns
18 CAS Precharge Time (Normal)
t
CPN
10
10
10
ns
19 Row Address Set Up Time
20 Row Address Hold Time
21 Column Address Set Up Time
22 Column Address Hold Time
23 Column Address Hold Time from RAS
RAS to Column Address Delay
Time
25 Column Address to RAS Lead Time
26 Column Address to CAS Lead Time
27 Read Command and Set Up Time
Read Command Hold Time
Referenced to RAS
Read Command Hold Time
Referenced to CAS
t
ASR
t
RAH
t
ASC
t
CAH
t
AR
0
0
0
ns
ns
ns
ns
ns
10
0
13
35
10
0
15
35
10
0
15
35
24
t
RAD
15
25
15
30
15
35
ns
t
RAL
t
CAL
t
RCS
25
25
0
30
30
0
35
35
0
ns
ns
ns
28
t
RRH
0
0
0
ns
29
t
RCH
0
0
0
ns
30 Write Command Set Up Time
t
WCS
0
0
0
ns
31 Write Command Hold Time
32 Write Hold Time from RAS
t
WCH
t
WCR
15
35
15
35
15
35
ns
ns
6, 9
7, 9
8, 9
10
11, 12
19
13
14
14
15
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