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54LS194ADMQB Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No. de pieza 54LS194ADMQB
Descripción Electrónicos  4-Bit Bidirectional Universal Shift Register
Download  8 Pages
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Fabricante Electrónico  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
Logo NSC - National Semiconductor (TI)

54LS194ADMQB 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
54LS
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
54LS194A
DM74LS194A
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
fCLK
Clock Frequency (Note 1)
30
0
0
25
MHz
Clock Frequency (Note 2)
22
0
20
tW
Pulse Width
Clock
17
20
ns
(Note 3)
Clear
12
20
tSU
Setup Time
Mode
25
30
ns
(Note 3)
Data
16
20
tH
Hold Time (Note 3)
0
0
ns
tREL
Clear Release Time (Note 3)
18
25
ns
TA
Free Air Operating Temperature
b
55
125
0
70
C
Note 1
CL e 15 pF TA e 25 C and VCC e 5V
Note 2
CL e 50 pF RL e 2kX TA e 25 C and VCC e 5V
Note 3
TA e 25 C and VCC e 5V
Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 4)
VI
Input Clamp Voltage
VCC e Min II eb18 mA
b
15
V
VOH
High Level Output
VCC e Min IOH e Max
54LS
25
V
Voltage
VIL e Max VIH e Min
DM74
27
34
VOL
Low Level Output
VCC e Min IOL e Max
54LS
04
Voltage
VIL e Max VIH e Min
DM74
035
05
V
IOL e 4 mA VCC e Min
04
II
Input Current
Max
VCC e Max VI e 7V
01
mA
Input Voltage
IIH
High Level Input Current
VCC e Max VI e 27V
20
m
A
IIL
Low Level Input Current
VCC e Max VI e 04V
b
04
mA
IOS
Short Circuit
VCC e Max
54LS
b
20
b
100
mA
Output Current
(Note 5)
DM74
b
20
b
100
ICC
Supply Current
VCC e Max (Note 6)
15
23
mA
Note 4
All typicals are at VCC e 5V TA e 25 C
Note 5
Not more than one output should be shorted at a time and the duration should not exceed one second
Note 6
With all outputs open inputs A through D grounded and 45V applied to S0 S1 CLEAR and the serial inputs ICC is tested with momentary ground then
45V applied to CLOCK
2


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