參數(shù)資料
型號: MB814265-60
廠商: Fujitsu Limited
英文描述: CMOS 256K ×16 BIT Hyper Page Mode Dynamic RAM(CMOS 256K ×16 位超級頁面存取模式動態(tài)RAM)
中文描述: 的CMOS 256K × 16位的超頁模式動態(tài)RAM的CMOS(256K × 16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> 364K
代理商: MB814265-60
8
MB814265-60/MB814265-70
I
AC CHARACTERISTICS
(At recommended operating conditions unless otherwise noted.)
Notes 3, 4, 5
MB814265-70
Min.
119
158
No.
Parameter
Notes
Symbol
MB814265-60
Min.
104
138
Unit
Max.
8.2
Max.
8.2
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
60
70
ns
5
Access Time from CAS
t
CAC
20
20
ns
6
Column Address Access Time
t
AA
30
35
ns
7
8
9
Output Hold Time
Output Hold Time from CAS
Output Buffer Turn On Delay Time
t
OH
t
OHC
t
ON
5
5
0
5
5
0
ns
ns
ns
10
Output Buffer Turn Off Delay Time
t
OFF
15
15
ns
11
12
13
14
15
16
Output Buffer Turn Off Delay Time from RAS
Output Buffer Turn Off Delay Time from WE
Transition Time
RAS Precharge Time
RAS Pulse Width
RAS Hold Time
t
OFR
t
WEZ
t
T
t
RP
t
RAS
t
RSH
1
40
60
20
15
15
50
1
45
70
20
15
15
50
ns
ns
ns
ns
ns
ns
100000
100000
17
CAS to RAS Precharge Time
t
CRP
0
0
ns
18
RAS to CAS Delay Time
t
RCD
14
40
14
50
ns
19
20
CAS Pulse Width
CAS Hold Time
t
CAS
t
CSH
10
40
10
50
ns
ns
21
CAS Precharge Time (Normal)
t
CPN
10
10
ns
22
23
24
25
Row Address Set Up Time
Row Address Hold Time
Column Address Set Up Time
Column Address Hold Time
t
ASR
t
RAH
t
ASC
t
CAH
0
10
0
10
0
10
0
10
ns
ns
ns
ns
26
RAS to Column Address Delay Time
t
RAD
12
30
12
35
ns
27
28
29
Column Address to RAS Lead Time
Column Address to CAS Lead Time
Read Command Set Up Time
Read Command Hold Time
Referenced to RAS
Read Command Hold Time
Referenced to CAS
t
RAL
t
CAL
t
RCS
30
23
0
35
28
0
ns
ns
ns
30
t
RRH
0
0
ns
31
t
RCH
0
0
ns
6, 9
7, 9
8, 9
10
21
11, 12, 22
19
13
14
14
相關PDF資料
PDF描述
MB814265-70 CMOS 256K ×16 BIT Hyper Page Mode Dynamic RAM(CMOS 256K ×16 位超級頁面存取模式動態(tài)RAM)
MB814400A-60 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4M ×1 位快速頁面存取模式動態(tài)RAM)
MB814400A-70 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4M ×1 位快速頁面存取模式動態(tài)RAM)
MB814400A-80 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4M ×1 位快速頁面存取模式動態(tài)RAM)
MB814400C-60 CMOS 1 M ×4BIT Fast Page Mode DRAM(CMOS 1 M ×4 位快速頁面存取模式動態(tài)RAM)
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