參數(shù)資料
型號(hào): AS4LC256K16E0-60JC
廠(chǎng)商: ALLIANCE SEMICONDUCTOR CORP
元件分類(lèi): DRAM
英文描述: 256K X 16 EDO DRAM, 60 ns, PDSO40
封裝: 0.400 INCH, PLASTIC, SOJ-40
文件頁(yè)數(shù): 19/24頁(yè)
文件大?。?/td> 660K
代理商: AS4LC256K16E0-60JC
AS4LC256K16EO
2/25/02; V.1.2
Alliance Semiconductor
P. 4 of 24
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Read cycle
Std Symbol
Parameter
-45
-50
-60
Unit
Notes
Min
Max
Min
Max
Min
Max
tRC
Random read or write cycle time
80
80
100
ns
tRP
RAS precharge time
20
20
20
ns
tRAS
RAS pulse width
45
75K
45
75K
60
75K
ns
tCAS
CAS pulse width
10
10
10
ns
tRCD
RAS to CAS delay time
18
32
18
32
15
45
ns
6
tRAD
RAS to column address delay time
13
23
13
23
15
30
ns
7
tRSH(R)
CAS to RAS hold time (read cycle)
10
10
12
ns
tCSH
RAS to CAS hold time
45
50
60
ns
tCRP
CAS to RAS precharge time
5
5
5
ns
tASR
Row address setup time
0
0
0
ns
tRAH
Row address hold time
8
8
9
ns
tT
Transition time (rise and fall)
1.5
50
1.5
50
1.5
50
ns
4,5
tREF
Refresh period
8
8
8
ms
3
tCLZ
CAS to output in low Z
3
3
3
ns
8
Std Symbol
Parameter
-45
-50
-60
Unit
Notes
Min
Max
Min
Max
Min
Max
tRAC
Access time from RAS
–45
50
60
ns
6
tCAC
Access time from CAS
10
10
10
ns
6,13
tAA
Access time from address
22
22
30
ns
7,13
tAR(R)
Column add hold from RAS
35
35
40
ns
tRCS
Read command setup time
0
0
0
ns
tRCH
Read command hold time to CAS
0–
0
0
ns
9
tRRH
Read command hold time to RAS
0–
0
0
ns
9
tRAL
Column address to RAS Lead time
25
25
30
ns
tCPN
CAS precharge time
5
5
5
ns
tOFF
Output buffer turn-off time
0
10
0
10
0
10
ns
8,10
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AS4LC256K16E0-60TC 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:x16 EDO Page Mode DRAM
AS4LC256K16EO 制造商:ALSC 制造商全稱(chēng):Alliance Semiconductor Corporation 功能描述:3.3V 256K X 16 CMOS DRAM (EDO)
AS4LC256K16EO-35 制造商:ALSC 制造商全稱(chēng):Alliance Semiconductor Corporation 功能描述:3.3V 256K X 16 CMOS DRAM (EDO)
AS4LC256K16EO-35TC 制造商:ALSC 制造商全稱(chēng):Alliance Semiconductor Corporation 功能描述:3.3V 256K X 16 CMOS DRAM (EDO)
AS4LC256K16EO-45TC 制造商:ALSC 制造商全稱(chēng):Alliance Semiconductor Corporation 功能描述:3.3V 256K X 16 CMOS DRAM (EDO)