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DM54LS377 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Octal D Flip-Flop - National Semiconductor

भाग संख्या DM54LS377
समारोह Octal D Flip-Flop
मैन्युफैक्चरर्स National Semiconductor 
लोगो National Semiconductor लोगो 
पूर्व दर्शन
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<?=DM54LS377?> डेटा पत्रक पीडीएफ

DM54LS377 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
ts (H)
ts (L)
th (H)
th (L)
ts (H)
ts (L)
th (H)
th (L)
tw (H)
tw (L)
Parameter
Supply Voltage
High Level Input Voltage
Low Level Input Voltage
High Level Output Current
Low Level Output Current
Free Air Operating Temperature
Setup Time HIGH or LOW
Dn to CP
Hold Time HIGH or LOW
Dn to CP
Setup Time HIGH or LOW
E to CP
Hold Time HIGH or LOW
E to CP
CP Pulse Width HIGH or LOW
Min
45
2
b55
20
20
50
50
10
20
50
50
20
20
DM54LS377
Nom
5
Max
55
07
b0 4
4
125
DM74LS377
Min Nom Max
4 75 5 5 25
2
08
b0 4
8
0 70
10
10
50
50
10
20
50
50
20
20
Units
V
V
V
mA
mA
C
ns
ns
ns
ns
ns
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
DM54
DM74
25
27
VOL Low Level Output
Voltage
VCC e Min IOL e Max
VIH e Min
DM54
DM74
IOL e 4 mA VCC e Min
DM74
II
Input Current Max
VCC e Max VI e 7V
DM74
Input Voltage
VI e 10V
DM54
IIH
High Level Input Current
VCC e Max VI e 2 7V
IIL
Low Level Input Current
VCC e Max VI e 0 4V
IOS Short Circuit
Output Current
VCC e Max
(Note 2)
DM54
DM74
b20
b20
ICC Supply Current
VCC e Max
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
Typ
(Note 1)
34
0 35
0 25
Max
b1 5
04
05
04
01
20 0
b0 4
b100
b100
28
Units
V
V
V
mA
mA
mA
mA
mA
2

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