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DM54LS251 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - TRI-STATE Data Selectors/Multiplexers - National Semiconductor

भाग संख्या DM54LS251
समारोह TRI-STATE Data Selectors/Multiplexers
मैन्युफैक्चरर्स National Semiconductor 
लोगो National Semiconductor लोगो 
पूर्व दर्शन
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<?=DM54LS251?> डेटा पत्रक पीडीएफ

DM54LS251 pdf
Absolute Maximum Ratings (Note)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range
DM54LS
b55 C to a125 C
DM74LS
0 C to a70 C
Storage Temperature Range
b65 C to a150 C
Note The ‘‘Absolute Maximum Ratings’’ are those values
beyond which the safety of the device cannot be guaran-
teed The device should not be operated at these limits The
parametric values defined in the ‘‘Electrical Characteristics’’
table 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
45
2
b55
DM54LS251
Nom
5
Max
55
07
b1
12
125
Min
4 75
2
0
DM74LS251
Nom
Max
5 5 25
08
b2 6
24
70
Units
V
V
V
mA
mA
C
Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
VI
VOH
Input Clamp Voltage
High Level Output
Voltage
VCC e Min II e b18 mA
VCC e Min IOH e Max
VIL e Max VIH e Min
DM54
DM74
24
24
VOL Low Level Output
Voltage
VCC e Min IOL e Max
VIL e Max VIH e Min
DM54
DM74
IOL e 12 mA VCC e Min
DM74
II
Input Current Max
VCC e Max VI e 7V
Input Voltage
IIH
IIL
IOZH
High Level Input Current
Low Level Input Current
Off-State Output Current
with High Level Output
Voltage Applied
VCC e Max VI e 2 7V
VCC e Max VI e 0 4V
VCC e Max VO e 2 7V
VIH e Min VIL e Max
IOZL
Off-State Output Current
with Low Level Output
Voltage Applied
VCC e Max VO e 0 4V
VIH e Min VIL e Max
IOS Short Circuit
Output Current
VCC e Max
(Note 2)
DM54
DM74
b20
b20
ICC1
Supply Current
VCC e Max (Note 3)
ICC2
Supply Current
VCC e Max (Note 4)
Note 1 All typicals are at VCC e 5V TA e 25 C
Note 2 Not more than one output should be shorted at a time and the duration should not exceed one second
Note 3 ICC1 is measured with the outputs open STROBE grounded and all other inputs at 4 5V
Note 4 ICC2 is measured with the outputs open and all inputs at 4 5V
Typ
(Note 1)
34
31
0 25
0 35
0 25
61
71
Max
b1 5
04
05
04
01
20
b0 4
20
b20
b100
b100
10
12
Units
V
V
V
mA
mA
mA
mA
mA
mA
mA
mA
2

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डाउनलोड[ DM54LS251 Datasheet.PDF ]


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अनुशंसा डेटापत्रक

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DM54LS251TRI-STATE Data Selectors/MultiplexersNational Semiconductor
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