AS4C14405-50JC 查看數據表（PDF） - Alliance Semiconductor
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AS4C14405-50JC Datasheet PDF : 16 Pages
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AS4C14400
Typical DC and AC characteristics
Normalized access time tRAC
vs. supply voltage VCC
1.5
1.4
Ta = 25°C
1.3
1.2
1.1
1.0
0.9
0.8
4.1
4.5 5.0 5.5 6.0
Supply voltage (V)
®
Normalized access time tRAC
vs. ambient temperature Ta
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
–55 –10 35 80 125
Ambient temperature (°C)
Typical access time tRAC
vs. load capacitance CL
90
80
70
-60
60
-50
50
-40
40
30
20
50
100 150 200 250
Load capacitance (pF)
Typical supply current ICC
vs. supply voltage VCC
70
60
50
40
30
20
10
0.0
4.0
4.5 5.0 5.5 6.0
Supply voltage (V)
Typical supply current ICC
vs. ambient temperature Ta
70
60
50
40
30
20
10
0.0
–55 –10 35 80 125
Ambient temperature (°C)
Typical power-on current IPO
vs. cycle rate 1/tRC
70
60
50
40
30
20
10
0.0
2
4
6
8 10
Cycle rate (MHz)
Typical refresh current ICC3
vs. supply voltage VCC
70
60
50
40
30
20
10
0.0
4.0
4.5 5.0 5.5 6.0
Supply voltage (V)
Typical refresh current ICC3
vs. ambient temperature Ta
70
60
50
40
30
20
10
0.0
–55 –10 35 80 125
Ambient temperature (°C)
Typical TTL stand-by current ICC2
vs. supply voltage VCC
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2
4
6
8 10
Supply voltage (V)
14
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