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DM7427 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. DM7427
Description  DM7427 Triple 3-Input NOR Gates
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DM7427 Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note)
Supply Voltage
7V
Input Voltage
55V
Operating Free Air Temperature Range
DM74
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
DM7427
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
08
mA
IOL
Low Level Output Current
16
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 eb12 mA
b
15
V
VOH
High Level Output
VCC e Min IOH e Max
24
34
V
Voltage
VIL e Max
VOL
Low Level Output
VCC e Min IOL e Max
02
04
V
Voltage
VIH e Min
II
Input Current
Max
VCC e Max VI e 55V
1mA
Input Voltage
IIH
High Level Input Current
VCC e Max VI e 24V
40
m
A
IIL
Low Level Input Current
VCC e Max VI e 04V
b
16
mA
IOS
Short Circuit
VCC e Max (Note 2)
b
18
b
57
mA
Output Current
ICCH
Supply Current with
VCC e Max
10
16
mA
Outputs High
ICCL
Supply Current with
VCC e Max
16
26
mA
Outputs Low
Switching Characteristics at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load)
Symbol
Parameter
Conditions
Min
Max
Units
tPLH
Propagation Delay Time
CL e 15 pF
11
ns
Low to High Level Output
RL e 400X
tPHL
Propagation Delay Time
15
ns
High to Low Level Output
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
2


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