AS7C256-12JI Просмотр технического описания (PDF) - Alliance Semiconductor
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AS7C256-12JI Datasheet PDF : 9 Pages
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AS7C256
AS7C3256
®
Typical DC and AC characteristics
Normalized supply current ICC, ISB
vs. supply voltage VCC
1.4
1.2
ICC
1.0
0.8
0.6
ISB
0.4
0.2
0.0
MIN
NOMINAL
MAX
Supply voltage (V)
Normalized supply current ICC, ISB
vs. ambient temperature Ta
1.4
1.2
ICC
1.0
0.8
0.6
ISB
0.4
0.2
0.0
–55 –10 35 80 125
Ambient temperature (°C)
Normalized supply current ISB1
vs. ambient temperature Ta
625
VCC = VCC(NOMINAL)
25
5
1
0.2
0.04
-55 -10 35 80 125
Ambient temperature (°C)
Normalized access time tAA
vs. supply voltage VCC
1.5
1.4
Ta = 25°C
1.3
1.2
1.1
1.0
0.9
0.8
MIN
NOMINAL
MAX
Supply voltage (V)
Output source current IOH
vs. output voltage VOH
140
120
VCC = VCC(NOMINAL)PL
100
Ta = 25°C
80
60
40
20
0
0
VCC
Output voltage (V)
Normalized access time tAA
vs. ambient temperature Ta
1.5
1.4
VCC = VCC(NOMINAL)
1.3
1.2
1.1
1.0
0.9
0.8
–55 –10 35 80 125
Ambient temperature (°C)
Output sink current IOL
vs. output voltage VOL
140
120
VCC = VCC(NOMINAL)
100
Ta = 25°C
80
60
40
20
0
0
VCC
Output voltage (V)
Normalized supply current ICC
vs. cycle frequency 1/tRC, 1/tWC
1.4
1.2
VCC = VCC(NOMINAL)
1.0 Ta = 25°C
0.8
0.6
0.4
0.2
0.0
0
25 50 75 100
Cycle frequency (MHz)
Typical access time change ∆tAA
vs. output capacitive loading
35
30
VCC = VCC(NOMINAL)
25
20
15
10
5
0
0 250 500 750 1000
Capacitance (pF)
9/18/01; v.1.6
Alliance Semiconductor
P. 7 of 9
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