參數(shù)資料
型號: MB8117800A-70
廠商: Fujitsu Limited
英文描述: CMOS 2 M ×8BIT Fast Page Mode DRAM(CMOS 2 M ×8 位快速頁面存取模式動態(tài)RAM)
中文描述: 的CMOS 2米× 8位快速頁面模式的DRAM的CMOS(2米× 8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> 474K
代理商: MB8117800A-70
7
MB8117800A-60/MB8117800A-70
I
AC CHARACTERISTICS
(At recommended operating conditions unless otherwise noted.) Notes 3, 4, 5
No.
Parameter
Notes
Symbol
MB8117800A-60
MB8117800A-70
Unit
Min.
Max.
Min.
Max.
1
Time Between Refresh
t
REF
32.8
32.8
ms
2
Random Read/Write Cycle Time
t
RC
110
130
ns
3
Read-Modify-Write Cycle Time
t
RWC
150
174
ns
4
Access Time from RAS
t
RAC
60
70
ns
5
Access Time from CAS
t
CAC
15
17
ns
6
Column Address Access Time
t
AA
30
35
ns
7
Output Hold Time
t
OH
3
3
ns
8
Output Buffer Turn On Delay Time
t
ON
0
0
ns
9
Output Buffer Turn Off Delay Time
t
OFF
15
17
ns
10
Transition Time
t
T
3
50
3
50
ns
11
RAS Precharge Time
t
RP
40
50
ns
12
RAS Pulse Width
t
RAS
60
100000
70
100000
ns
13
RAS Hold Time
t
RSH
15
17
ns
14
CAS to RAS Precharge Time
t
CRP
5
5
ns
15
RAS to CAS Delay Time
t
RCD
20
45
20
53
ns
16
CAS Pulse Width
t
CAS
15
17
ns
17
CAS Hold Time
t
CSH
60
70
ns
18
CAS Precharge Time (Normal)
t
CPN
10
10
ns
19
Row Address Set Up Time
t
ASR
0
0
ns
20
Row Address Hold Time
t
RAH
10
10
ns
21
Column Address Set Up Time
t
ASC
0
0
ns
22
Column Address Hold Time
t
CAH
15
15
ns
23
Column Address Hold Time from RAS
t
AR
35
35
24
RAS to Column Address Delay Time
t
RAD
15
30
15
35
ns
25
Column Address to RAS Lead Time
t
RAL
30
35
ns
26
Column Address to CAS Lead Time
t
CAL
30
35
ns
27
Read Command Set Up Time
t
RCS
0
0
ns
28
Read Command Hold Time
Referenced to RAS
t
RRH
0
0
ns
29
Read Command Hold Time
Referenced to CAS
t
RCH
0
0
ns
30
Write Command Set Up Time
t
WCS
0
0
ns
6, 9
7, 9
8, 9
10
11, 12
19
13
14
14
15, 20
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