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參數(shù)資料
| 型號： | MSM5116400D |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | 4,194,304-Word x 4-Bit DYNAMIC RAM : FAST PAGE MODE TYPE |
| 中文描述： | 4194304字× 4位動態(tài)隨機存儲器：快速頁面模式型 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 160K |
| 代理商： | MSM5116400D |
MSM5116400D
8/14
Notes:
1.
A start-up delay of 200
m
s is required after power-up, followed by a minimum of eight initialization
cycles (RAS-only refresh or CAS before RAS refresh) before proper device operation is achieved.
2.
The AC characteristics assume t
T
= 5ns.
3.
V
IH
(Min.) and V
IL
(Max.) are reference levels for measuring input timing signals. Transition times
(t
T
) are measured between V
IH
and V
IL
.
4.
This parameter is measured with a load circuit equivalent to 2 TTL load and 100pF.
5.
Operation within the t
RCD
(Max.) limit ensures that t
RAC
(Max.) can be met.
t
RCD
(Max.) is specified as a reference point only. If t
RCD
is greater than the specified t
RCD
(Max.)
limit, then the access time is controlled by t
CAC
.
6.
Operation within the t
RAD
(Max.) limit ensures that t
RAC
(Max.) can be met.
t
RAD
(Max.) is specified as a reference point only. If t
RAD
is greater than the specified t
RAD
(Max.)
limit, then the access time is controlled by t
AA
.
7.
t
OFF
(Max.) and t
OEZ
(Max.) define the time at which the output achieved the open circuit condition
and are not referenced to output voltage levels.
8.
t
RCH
or t
RRH
must be satisfied for a read cycle.
9.
t
WCS
, t
CWD
, t
RWD
, t
AWD
and t
CPWD
are not restrictive operating parameters. They are included in the
data sheet as electrical characteristics only. If t
WCS
3
t
WCS
(Min.), then the cycle is an early write
cycle and the data out will remain open circuit (high impedance) throughout the entire cycle. If t
CWD
3
t
CWD
(Min.), t
RWD
3
t
RWD
(Min.), t
AWD
3
t
AWD
(Min.) and t
CPWD
3
t
CPWD
(Min.), then the cycle is a
read modify write cycle and data out will contain data read from the selected cell; if neither of the
above sets of conditions is satisfied, then the condition of the data out (at access time) is
indeterminate.
10. These parameters are referenced to the CAS leading edge in an early write cycle, and to the WE
leading edge in an OE control write cycle, or a read modify write cycle.
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| MSM5116400D-50TS-K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:4,194,304-Word x 4-Bit DYNAMIC RAM : FAST PAGE MODE TYPE |
| MSM5116400D-60 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:4,194,304-Word x 4-Bit DYNAMIC RAM : FAST PAGE MODE TYPE |
| MSM5116400D-60SJ | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:4,194,304-Word x 4-Bit DYNAMIC RAM : FAST PAGE MODE TYPE |
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