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參數(shù)資料
| 型號(hào)： | MD51V65805 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | 8M×8 Dynamic RAM(8M×8動(dòng)態(tài)RAM) |
| 中文描述： | 8米× 8動(dòng)態(tài)RAM（8米× 8動(dòng)態(tài)內(nèi)存） |
| 文件頁(yè)數(shù)： | 6/15頁(yè) |
| 文件大小： | 638K |
| 代理商： | MD51V65805 |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)當(dāng)前第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)
6/15
Semiconductor
MD51V65805
AC Characteristics (1/2)
Parameter
MD51V65805
-60
MD51V65805
-50
(V
CC
= 3.3 V ±0.3 V, Ta = 0°C to 70°C) Note 1, 2, 3
Random Read or Write Cycle Time
Read Modify Write Cycle Time
Fast Page Mode Cycle Time
Fast Page Mode Read Modify Write
Cycle Time
Access Time from
RAS
Access Time from
CAS
Access Time from Column Address
Access Time from
CAS
Precharge
Access Time from
OE
Output Low Impedance Time from
CAS
Data Output Hold After
CAS
Low
CAS
to Data Output Buffer Turn-off Delay Time
RAS
to Data Output Buffer Turn-off Delay Time
Transition Time
Refresh Period
RAS
Precharge Time
RAS
Pulse Width
RAS
Pulse Width (Fast Page Mode with EDO)
RAS
Hold Time
RAS
Hold Time referenced to
OE
CAS
Precharge Time (Fast Page Mode with EDO)
CAS
Pulse Width
CAS
Hold Time
CAS
to
RAS
Precharge Time
RAS
Hold Time from
CAS
Precharge
OE
Hold Time from
CAS
(DQ Disable)
RAS
to
CAS
Delay Time
RAS
to Column Address Delay Time
Row Address Set-up Time
Row Address Hold Time
Column Address Set-up Time
Column Address Hold Time
Column Address to
RAS
Lead Time
OE
to Data Output Buffer Turn-off Delay Time
WE
to Data Output Buffer Turn-off Delay Time
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Symbol
t
RC
t
RWC
t
HPC
t
HPRWC
t
RAC
t
CAC
t
AA
t
CPA
t
OEA
t
CLZ
t
DOH
t
CEZ
t
REZ
t
T
t
RP
t
RAS
t
RASP
t
RSH
t
ROH
t
CP
t
CAS
t
CSH
t
CRP
t
RHCP
t
CHO
t
RCD
t
RAD
t
ASR
t
RAH
t
ASC
t
CAH
t
RAL
t
OEZ
t
WEZ
t
REF
Note
4, 5, 6
4, 5
4, 6
4
4
4
7, 8
7, 8
5
6
7
7
3
Min.
84
110
20
58
—
—
—
—
—
0
5
0
0
1
30
50
50
7
7
7
7
35
5
30
5
11
9
0
7
0
7
25
0
0
—
Max.
—
—
—
—
50
13
25
30
13
—
—
13
13
50
64
—
10,000
100,000
—
—
—
10,000
—
—
—
—
37
25
—
—
—
—
—
13
13
Min.
104
135
25
68
—
—
—
—
—
0
5
0
0
1
40
60
60
10
10
10
10
40
5
35
5
14
12
0
10
0
10
30
0
0
—
Max.
—
—
—
—
60
15
30
35
15
—
—
15
15
50
64
—
10,000
100,000
—
—
—
10,000
—
—
—
—
45
30
—
—
—
—
—
15
15
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