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DM74ALS520 Datasheet(PDF) 3 Page - Fairchild Semiconductor

No. de pieza DM74ALS520
Descripción Electrónicos  8-Bit Comparator
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Fabricante Electrónico  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

DM74ALS520 Datasheet(HTML) 3 Page - Fairchild Semiconductor

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Absolute Maximum Ratings(Note 1)
Note 1: The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C.
Note 2: ICC is measured with EN grounded, A and B inputs at 4.5V and outputs OPEN.
Switching Characteristics
over recommended operating free air temperature range
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range
0
°C to +70°C
Storage Temperature Range
−65°C to +150°C
Typical
θ
JA
N Package
62.0
°C/W
M Package
82.0
°C/W
Symbol
Parameter
Min
Nom
Max
Units
VCC
Supply Voltage
4.5
5
5.5
V
VIH
HIGH Level Input Voltage
2
V
VIL
LOW Level Input Voltage
0.8
V
IOH
HIGH Level Output Current
−2.6
mA
IOL
LOW Level Output Current
24
mA
TA
Free Air Operating Temperature
0
70
°C
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VIK
Input Clamp Voltage
VCC = 4.5V, II = −18 mA
−1.5
V
VOH
HIGH Level
VCC = 4.5V to 5.5V
VCC − 2V
Output Voltage
IOH = −400 µA
VCC = 4.5V
2.4
3.2
V
IOH = Max
VOL
LOW Level Output Voltage
VCC = 4.5V
IOL = 24 mA
0.35
0.5
V
II
Max HIGH
VCC = 5.5V
VIH = 5.5V
Input Current
B Input DM74ALS520
0.1
mA
VIH = 7V, All Others
IIH
HIGH Level
VCC = 5.5V,
All Others
20
µA
Input Current
VIH = 2.7V
B Input DM74ALS520
−200
IIL
Low Level Input
VCC = 5.5V,
B Input DM74ALS520
−0.6
mA
Current
VIL = 0.4V
All Others
−0.1
mA
IO
Output Drive Current
VCC = 5.5V
VO = 2.25V
−30
−112
mA
ICC
Supply Current
VCC = 5.5V (Note 2)
12
19
mA
Symbol
Parameter
Conditions
From
To
Min
Max
Units
Input
Output
tPLH
Propagation Delay Time
VCC = 4.5V to 5.5V
A or B
A
= B
312
ns
LOW-to-HIGH Level Output
CL = 50 pF
Data
tPHL
Propagation Delay Time
RL = 500Ω
A or B
A
= B
520
ns
HIGH-to-LOW Level Output
Data
tPLH
Propagation Delay Time
EN
A
= B
212
ns
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
EN
A
= B
522
ns
HIGH-to-LOW Level Output


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