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AS4LC256K16EO Datasheet(PDF) 22 Page - Alliance Semiconductor Corporation

Part # AS4LC256K16EO
Description  3.3V 256K X 16 CMOS DRAM (EDO)
PDF  25 Pages
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Manufacturer  ALSC [Alliance Semiconductor Corporation]
Direct Link  https://www.alliancememory.com
Logo ALSC - Alliance Semiconductor Corporation

AS4LC256K16EO Datasheet(HTML) 22 Page - Alliance Semiconductor Corporation

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AS4LC256K16EO
4/11/01; V.1.1
Alliance Semiconductor
P. 22 of 25
CAS-before-RAS self refresh cycle
Typical DC and AC characteristics
tRP
tRASS
tRPC
tCP
tCHS
tCEZ
RAS
UCAS,
DQ
LCAS
tRPS
tCSR
tRPC
Supply voltage (V)
2.7
3.6
3.9
3.3
3.0
0.8
0.9
1.1
1.2
1.0
1.3
1.4
1.5
Normalized access time tRAC
Ambient temperature (°C)
–55
80
125
35
–10
0.8
0.9
1.1
1.2
1.0
1.3
1.4
1.5
Normalized access time tRAC
Load capacitance (pF)
50
200
250
150
100
30
40
60
70
50
80
90
100
Typical access time tRAC
vs. ambient temperature Ta
vs. load capacitance CL
vs. supply voltage VCC
Ta = 25°C
Supply voltage (V)
2.7
3.6
3.9
3.3
3.0
0.0
10
30
40
20
50
60
70
Typical supply current ICC
Ambient temperature (°C)
–55
80
125
35
–10
0.0
10
30
40
20
50
60
70
Typical supply current ICC
Cycle rate (MHz)
28
10
6
4
0.0
5
15
20
10
25
30
35
Typical power-on current IPO
vs. ambient temperature Ta
vs. cycle rate 1/tRC
vs. supply voltage VCC



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