74LS161 データシートの表示（PDF） - Fairchild Semiconductor
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74LS161 Datasheet PDF : 10 Pages
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Absolute Maximum Ratings(Note 1)
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range 0°C to +70°C
Storage Temperature Range
−65°C to +150°C
Note 1: The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
DM74LS161A Recommended Operating Conditions
Symbol
Parameter
VCC
Supply Voltage
VIH
HIGH Level Input Voltage
VIL
LOW Level Input Voltage
IOH
HIGH Level Output Current
IOL
LOW Level Output Current
fCLK
Clock Frequency (Note 2)
Clock Frequency (Note 3)
tW
Pulse Width
Clock
(Note 2)
Clear
Pulse Width
Clock
(Note 3)
Clear
tSU
Setup Time
Data
(Note 2)
Enable P
Load
Setup Time
Data
(Note 3)
Enable P
Load
tH
Hold Time
Data
(Note 2)
Others
Hold Time
Data
(Note 3)
Others
tREL
Clear Release Time (Note 2)
Clear Release Time (Note 3)
TA
Free Air Operating Temperature
Note 2: CL = 15 pF, RL = 2 kΩ, TA = 25°C and VCC = 5.5V.
Note 3: CL = 50 pF, RL = 2 kΩ, TA = 25°C and VCC = 5.5V.
Min
4.75
2
0
0
20
20
25
25
20
25
25
20
30
30
0
0
5
5
20
25
0
Nom
5
6
9
8
17
15
−3
−3
Max
5.25
0.8
−0.4
8
25
20
70
Units
V
V
V
mA
mA
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
°C
5
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