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DM74LS40 Arkusz danych(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Numer części DM74LS40
Szczegółowy opis  Dual 4-Input NAND Buffer
Download  4 Pages
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Producent  NSC [National Semiconductor (TI)]
Strona internetowa  http://www.national.com
Logo NSC - National Semiconductor (TI)

DM74LS40 Arkusz danych(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note)
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range
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
DM74LS40
Units
Min
Nom
Max
VCC
Supply Voltage
475
5
525
V
VIH
High Level Input Voltage
2
V
VIL
Low Level Input Voltage
08
V
IOH
High Level Output Current
b
12
mA
IOL
Low Level Output Current
24
mA
TA
Free Air Operating Temperature
0
70
C
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
27
V
Voltage
VIL e Max
VOL
Low Level Output
VCC e Min IOL e Max
05
V
Voltage
VIH e Min
IOL e 12 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
b
30
b
130
mA
Output Current
(Note 2)
ICCH
Supply Current with
VCC e Max VIN e GND
10
mA
Outputs High
ICCL
Supply Current with
VCC e Max VIN e OPEN
60
mA
Outputs Low
Note 1
All typicals are at VCC e 5V TA e 25 C
Note 2
Note more than one output should be shorted at a time and the duration should not exceed one second
2


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