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DM54LS377 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. DM54LS377
Description  Octal D Flip-Flop with Common Enable and Clock
Download  6 Pages
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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DM54LS377 Datasheet(HTML) 2 Page - National Semiconductor (TI)

   
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Absolute Maximum Ratings (Note)
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range
DM54LS
b
55 Cto a125 C
DM74LS
0 Cto a70 C
Storage Temperature Range
b
65 Cto 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
Parameter
DM54LS377
DM74LS377
Units
Min
Nom
Max
Min
Nom
Max
VCC
Supply Voltage
45
5
55
475
5
525
V
VIH
High Level Input Voltage
2
2
V
VIL
Low Level Input Voltage
07
08
V
IOH
High Level Output Current
b
04
b
04
mA
IOL
Low Level Output Current
4
8
mA
TA
Free Air Operating Temperature
b
55
125
0
70
C
ts (H)
Setup Time HIGH or LOW
20
10
ns
ts (L)
Dn to CP
20
10
th (H)
Hold Time HIGH or LOW
50
50
ns
th (L)
Dn to CP
50
50
ts (H)
Setup Time HIGH or LOW
10
10
ns
ts (L)
E to CP
20
20
th (H)
Hold Time HIGH or LOW
50
50
ns
th (L)
E to CP
50
50
tw (H)
CP Pulse Width HIGH or LOW
20
20
ns
tw (L)
20
20
Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 1)
VI
Input Clamp Voltage
VCC e Min II eb18 mA
b
15
V
VOH
High Level Output
VCC e Min IOH e Max
DM54
25
V
Voltage
VIL e Max
DM74
27
34
VOL
Low Level Output
VCC e Min IOL e Max
DM54
04
Voltage
VIH e Min
DM74
035
05
V
IOL e 4 mA VCC e Min
DM74
025
04
II
Input Current
Max
VCC e Max VI e 7V
DM74
01
mA
Input Voltage
VI e 10V
DM54
IIH
High Level Input Current
VCC e Max VI e 27V
200
m
A
IIL
Low Level Input Current
VCC e Max VI e 04V
b
04
mA
IOS
Short Circuit
VCC e Max
DM54
b
20
b
100
mA
Output Current
(Note 2)
DM74
b
20
b
100
ICC
Supply Current
VCC e Max
28
mA
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
2


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