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參數(shù)資料
| 型號： | KM44C1005D |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 1M x 4Bit CMOS Quad CAS DRAM with Extended Data Out(1M x 4位CMOS四 CAS 動態(tài)RAM(帶擴展數(shù)據(jù)輸出)) |
| 中文描述： | 100萬x 4位的CMOS DRAM與四中科院擴展數(shù)據(jù)輸出（3米× 4位的CMOS四中科院動態(tài)隨機存儲器（帶擴展數(shù)據(jù)輸出）） |
| 文件頁數(shù)： | 6/21頁 |
| 文件大?。?/td> | 393K |
| 代理商： | KM44C1005D |
KM44C1005D
CMOS DRAM
AC CHARACTERISTICS
(Continued)
Parameter
Symbol
-5
-6
-7
Units
Notes
Min
Max
Min
Max
Min
Max
Refresh period (4K, Normal)
t
REF
t
REF
t
WCS
t
CWD
t
RWD
t
AWD
t
CPWD
t
CSR
t
CHR
t
RPC
t
CPT
t
CPA
t
HPC
t
HPRWC
t
CP
t
RASP
t
RHCP
t
OEA
t
OED
t
OEZ
t
OLZ
t
OEH
t
DOH
t
REZ
t
WEZ
t
WED
t
OCH
t
CHO
t
OEP
t
WPE
t
WTS
t
WTH
t
WRP
t
WRH
t
CLCH
16
16
16
ms
Refresh period (L-ver)
128
128
128
ms
Write command set-up time
0
0
0
ns
7,20
CAS to W delay time
32
32
42
ns
7,20
RAS to W delay time
67
77
92
ns
7
Column address to W delay time
42
47
57
ns
7
CAS precharge to W delay time
45
52
62
ns
7
CAS set-up time (CAS -before-RAS refresh)
5
5
5
ns
20
CAS hold time (CAS -before-RAS refresh)
10
10
15
ns
19
RAS to CAS precharge time
5
5
5
ns
CAS precharge time (C-B-R counter test cycle)
20
20
25
ns
Access time from CAS precharge
28
35
40
ns
3,20
Hyper Page mode cycle time
20
25
30
ns
15,23
Hyper Page read-modify-write cycle time
57
66
81
ns
23
CAS precharge time (Hyper Page cycle)
8
10
10
ns
24
RAS pulse width (Hyper Page cycle)
50
200K
60
200K
70
200K
ns
RAS hold time from CAS precharge
30
35
40
ns
OE access time
15
15
20
ns
25
OE to data delay
13
13
18
ns
25
Output buffer turn off delay time from OE
3
13
3
13
3
18
ns
6,13
OE to output in low-Z
3
3
3
OE command hold time
15
15
20
ns
Output data hold time
5
5
5
ns
Output buffer turn off delay time from RAS
3
15
3
15
3
20
ns
6,13
Output buffer turn off delay time from W
3
13
3
13
3
18
ns
6,13
W to data delay
13
13
18
ns
OE to CAS hold time
5
5
5
ns
CAS hold time to OE
5
5
5
ns
OE precharge time
5
5
5
ns
W pulse width (hyper page cycle)
5
5
5
ns
Write command set-up time (Test mode in)
10
10
10
ns
Write command hold time (Test mode in)
10
10
10
ns
W to RAS prechrge time (C-B-R refresh)
10
10
10
ns
W to RAS hold time (C-B-R refresh)
10
10
10
ns
Hold time CAS low to CAS high
5
5
5
ns
16,28
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相關(guān)代理商/技術(shù)參數(shù) |
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