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參數(shù)資料
| 型號(hào)： | K4D263238M |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 1M x 32Bit x 4 Banks Double Data Rate Synchronous RAM with Bi-directional Data Strobe and DLL |
| 中文描述： | 100萬x 32Bit的× 4銀行雙數(shù)據(jù)速率同步RAM的雙向數(shù)據(jù)選通和DLL |
| 文件頁數(shù)： | 16/19頁 |
| 文件大?。?/td> | 281K |
| 代理商： | K4D263238M |
128M DDR SDRAM
K4D263238M
- 16 -
Rev. 1.3 (Aug. 2001)
AC CHARACTERISTICS (I)
Note :1 For normal write operation, even numbers of Din are to be written inside DRAM
Parameter
Symbol
-45*
-50
-55
-60
Unit
Note
Min
Max
-
Min
Max
-
Min
Max
-
Min
Max
-
Row cycle time
t
RC
t
RFC
t
RAS
t
RCDRD
t
RCDWR
t
RP
t
RRD
13
12
12
10
tCK
Refresh row cycle time
Row active time
RAS to CAS delay for Read
RAS to CAS delay for Write
Row precharge time
Row active to Row active
Last data in to Row precharge
t
WR
Last data in to Read com-
mand
Col. address to Col. address
t
CCD
Mode register set cycle time
Auto precharge write recovery
+ Precharge
Exit self refresh to read com-
t
XSR
15
9
4
2
4
2
2
-
14
8
4
2
4
2
2
-
14
8
4
2
4
2
2
-
12
7
3
2
3
2
2
-
tCK
tCK
tCK
tCK
tCK
tCK
tCK
100K
-
100K
-
100K
-
-
-
-
-
100K
-
-
-
-
-
-
-
-
-
-
-
1
t
CDLR
2
-
2
-
2
-
2
-
tCK
1
1
2
-
-
1
2
-
-
1
2
-
-
1
2
-
-
tCK
tCK
t
MRD
t
DAL
6
-
6
-
6
-
5
-
tCK
200
-
200
-
200
-
200
-
tCK
Power down exit time
Refresh interval time
t
PDEX
t
REF
1tCK+tIS
7.8
-
-
1tCK+tIS
7.8
-
-
1tCK+tIS
7.8
-
-
1tCK+tIS
7.8
-
-
ns
us
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| K4D263238M-QC45 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:1M x 32Bit x 4 Banks Double Data Rate Synchronous RAM with Bi-directional Data Strobe and DLL |
| K4D263238M-QC50 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:1M x 32Bit x 4 Banks Double Data Rate Synchronous RAM with Bi-directional Data Strobe and DLL |
| K4D263238M-QC50000 | 制造商:Samsung SDI 功能描述: |
| K4D263238M-QC55 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:1M x 32Bit x 4 Banks Double Data Rate Synchronous RAM with Bi-directional Data Strobe and DLL |
| K4D263238M-QC60 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:1M x 32Bit x 4 Banks Double Data Rate Synchronous RAM with Bi-directional Data Strobe and DLL |
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