AS7C256-12JI Просмотр технического описания (PDF) - Alliance Semiconductor
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AS7C256-12JI Datasheet PDF : 9 Pages
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AS7C256
AS7C3256
®
Recommended operating conditions
Parameter
Device
Supply voltage
AS7C256
AS7C3256
AS7C256
Input voltage
AS7C3256
—
Ambient operating temperature
commercial
industrial
* VIL min = –2.0V for pulse width less than tRC/2.
Symbol
VCC
VCC
VIH
VIH
VIL*
TA
TA
Min
4.5
3.0
2.2
2.0
-0.5*
0
–40
DC operating characteristics (over the operating range)
Parameter
Sym Test conditions
Input leakage
current
|ILI|
VCC = Max,
Vin = GND to VCC
Output leakage
current
|ILO|
VCC = Max,
VOUT = GND to VCC
Operating
power supply
current
ICC
VCC = Max, CE ≤ VIL
f = fMax, IOUT = 0mA
ISB
Standby power
supply current
ISB1
VCC = Max, CE ≤ VIL
f = fMax, IOUT = 0mA
VCC = Max, CE > VCC–0.2V
VIN < GND + 0.2V or
VIN > VCC–0.2V, f = 0
Output voltage VOL IOL = 8 mA, VCC = Min
VOH IOH = –4 mA, VCC = Min
Device
Both
Both
AS7C256
AS7C3256
AS7C256
AS7C3256
AS7C256
AS7C3256
Both
Both
-12
Min Max
–
1
–
1
–
120
–
60
–
40
–
20
–
4.0
–
2.0
–
0.4
2.4
–
Typical
5.0
3.3
–
–
–
–
–
Max
Unit
5.5
V
3.6
V
VCC+0.5
V
VCC+0.5
V
0.8
V
70
oC
85
oC
-15
Min Max
–
1
-20
Min Max Unit
–
1 µA
–
1
–
1 µA
–
115 – 110
mA
–
55
– 50
–
35
– 30
mA
–
20
– 20
–
4.0 – 4.0
mA
–
2.0 – 2.0
–
0.4 – 0.4 V
2.4
– 2.4 – V
Capacitance (f = 1MHz, Ta = room temperature, VCC = NOMINAL)
Parameter
Symbol
Signals
Test conditions
Max
Unit
Input capacitance
I/O capacitance
CIN
A, CE, WE, OE
Vin = 0V
5
pF
CI/O
I/O
Vin = Vout = 0V
7
pF
9/18/01; v.1.6
Alliance Semiconductor
P. 3 of 9
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