DM74ALS251M View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
DM74ALS251M Datasheet PDF : 7 Pages
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Absolute Maximum Ratings(Note 1)
Supply Voltage, VCC
Input Voltage
Voltage Applied to Disabled Output
Operating Free Air Temperature Range
Storage Temperature Range
Typical θJA
N Package
M Package
7V
7V
5.5V
0°C to +70°C
−65°C to +150°C
78.0°C/W
107.0°C/W
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
Symbol
VCC
VIH
VIL
IOH
IOL
TA
Parameter
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Free Air Operating Temperature
Min
Nom
Max
4.5
5
5.5
2
0.8
−2.6
24
0
70
Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C.
Symbol
Parameter
Conditions
Min
Typ
VIK
Input Clamp Voltage
VOH
HIGH Level
Output Voltage
VOL
LOW Level
Output Voltage
VCC = 4.5V, IIN = −18 mA
VCC = 4.5V, IOH = Max
IOH = −400 µA, VCC = 4.5V to 5.5V
VCC = 4.5V
IOL = 24 mA
2.4
VCC−2
3.2
0.35
II
Input Current at Maximum
Input Voltage
VCC = 5.5V, VIH = 7V
IIH
HIGH Level Input Current
VCC = 5.5V, VIH = 2.7V
IIL
LOW Level Input Current
VCC = 5.5V, VIN = 0.4V
IO
Output Drive Current
VCC = 5.5V, VOUT = 2.25V
−30
IOZH
OFF-State Output
Current, HIGH Bias
VCC = 5.5V, VOUT = 2.7V
IOZL
OFF-State Output
Current, LOW Bias
VCC = 5.5V, VOUT = 0.4V
ICC
Supply Current
VCC = 5.5V, Inputs = GND
Enabled
7
Inputs = 4.5V, VCC = 5.5V
Disabled
9.4
Units
V
V
V
mA
mA
°C
Max
Units
−1.5
V
V
V
0.5
V
0.1
mA
20
µA
−0.1
mA
−112
mA
20
µA
−20
µA
10
mA
14
3
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