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參數(shù)資料
| 型號： | MSM514102D-60ZS |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Tape FOIL TAPE KIT |
| 中文描述： | 4194304字× 1位動(dòng)態(tài)隨機(jī)存儲(chǔ)器：靜態(tài)列型模式 |
| 文件頁數(shù)： | 8/18頁 |
| 文件大?。?/td> | 273K |
| 代理商： | MSM514102D-60ZS |
8/17
Semiconductor
MSM514102D/DL
Notes:
1. A start-up delay of 200
μ
s is required after power-up, followed by a minimum of
eight initialization cycles (
RAS
-only refresh or
CS
before
RAS
refresh) before proper
device operation is achieved.
2. The AC characteristics assume t
T
= 5 ns.
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 loads and 100 pF.
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. Operating within the t
LWAD
(Max.) limit ensures that t
ALW
(Max.) can be met.
t
LWAD
(Max.) is specified as a reference point only. If t
LWAD
is greater than the
specified t
LWAD
(Max.) limit, then the access time is controlled by t
AA
.
8. t
OFF
(Max.) defines the time at which the output achieves the open circuit condition and
is not referenced to output voltage levels.
9. t
RCH
or t
RRH
must be satisfied for a read cycle.
10. t
WCS
, t
CWD
, t
RWD
and t
AWD
are not restrictive operating parameters. They are
included in the data sheet as electrical characteristics only. If t
WCS
≥
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
≥
t
CWD
(Min.) , t
RWD
≥
t
RWD
(Min.)
and t
AWD
≥
t
AWD
(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.
11. These parameters are referenced to the
CS
leading edge in an early write cycle, and
to the
WE
leading edge in a read modify write cycle.
12. The test mode is initiated by performing a
WE
and
CS
before
RAS
refresh cycle. This
mode is latched and remains in effect until the exit cycle is generated.
The test mode specified in this data sheet is an 8-bit parallel test function. RA10,
CA10 and CA0 are not used. In a read cycle, if all internal bits are equal, the data
output pin will indicate a high level. If any internal bits are not equal, the data
output pin will indicate a low level.
The test mode is cleared and the memory device returned to its normal operating
state by performing a
RAS
-only refresh cycle or a
CS
before
RAS
refresh cycle.
13. In a test mode read cycle, the value of access time parameters is delayed for 5 ns for the
specified value. These parameters should be specified in test mode cycle by adding the
above value to the specified value in this data sheet.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MSM514102D-70SJ | 4,194,304-Word X 1-Bit DYNAMIC RAM : STATIC COLUMN MODE TYPE |
| MSM514102D-70TS-K | 4,194,304-Word X 1-Bit DYNAMIC RAM : STATIC COLUMN MODE TYPE |
| MSM514102D-70ZS | 4,194,304-Word X 1-Bit DYNAMIC RAM : STATIC COLUMN MODE TYPE |
| MSM514102D-80SJ | 4,194,304-Word X 1-Bit DYNAMIC RAM : STATIC COLUMN MODE TYPE |
| MSM514102D-80TS-K | 4,194,304-Word X 1-Bit DYNAMIC RAM : STATIC COLUMN MODE TYPE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM514102D-70SJ | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:4,194,304-Word X 1-Bit DYNAMIC RAM : STATIC COLUMN MODE TYPE |
| MSM514102D-70TS-K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:4,194,304-Word X 1-Bit DYNAMIC RAM : STATIC COLUMN MODE TYPE |
| MSM514102D-70ZS | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:4,194,304-Word X 1-Bit DYNAMIC RAM : STATIC COLUMN MODE TYPE |
| MSM514102D-80SJ | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:4,194,304-Word X 1-Bit DYNAMIC RAM : STATIC COLUMN MODE TYPE |
| MSM514102D-80TS-K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:4,194,304-Word X 1-Bit DYNAMIC RAM : STATIC COLUMN MODE TYPE |
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