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DM74LS251N датащи(PDF) 3 Page - Fairchild Semiconductor

номер детали DM74LS251N
подробное описание детали  3-STATE 1-of-8 Line Data Selector/Multiplexer
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производитель  FAIRCHILD [Fairchild Semiconductor]
домашняя страница  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

DM74LS251N датащи(HTML) 3 Page - Fairchild Semiconductor

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Absolute Maximum Ratings(Note 1)
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” 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
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 2: All typicals are at VCC = 5V, TA = 25°C.
Note 3: Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 4: ICC1 is measured with the outputs open, STROBE grounded, and all other inputs at 4.5V.
Note 5: ICC2 is measured with the outputs open and all inputs at 4.5V.
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range
0
°C to +70°C
Storage Temperature Range
−65°C to +150°C
Symbol
Parameter
Min
Nom
Max
Units
VCC
Supply Voltage
4.75
5
5.25
V
VIH
HIGH Level Input Voltage
2
V
VIL
LOW Level Input Voltage
0.8
V
IOH
HIGH Level Output Current
−2.6
mA
IOL
LOW Level Output Current
24
mA
TA
Free Air Operating Temperature
0
70
°C
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 2)
VI
Input Clamp Voltage
VCC = Min, II = −18 mA
−1.5
V
VOH
HIGH Level
VCC = Min, IOH = Max
2.4
3.1
V
Output Voltage
VIL = Max, VIH = Min
VOL
LOW Level
VCC = Min, IOL = Max
0.35
0.5
Output Voltage
VIL = Max, VIH = Min
V
IOL = 12 mA, VCC = Min
0.25
0.4
II
Input Current @ Max Input Voltage
VCC = Max, VI = 7V
0.1
mA
IIH
HIGH Level Input Current
VCC = Max, VI = 2.7V
20
µA
IIL
LOW Level Input Current
VCC = Max, VI = 0.4V
−0.4
mA
IOZH
Off-State Output Current with
VCC = Max, VO = 2.7V
20
µA
HIGH Level Output Voltage Applied
VIH = Min, VIL = Max
IOZL
Off-State Output Current with
VCC = Max, VO = 0.4V
−20
µA
LOW Level Output Voltage Applied
VIH = Min, VIL = Max
IOS
Short Circuit Output Current
VCC = Max (Note 3)
−20
−100
mA
ICC1
Supply Current
VCC = Max (Note 4)
6.1
10
mA
ICC2
Supply Current
VCC = Max (Note 5)
7.1
12
mA


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