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DM74LS51 Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part No. DM74LS51
Description  Dual 2-Wide 2-Input, 2-Wide 3-Input AND-OR-INVERT Gate
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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DM74LS51 Datasheet(HTML) 2 Page - Fairchild Semiconductor

   
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2
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 tables 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.
Switching Characteristics
at VCC = 5V and TA = 25°C
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
−0.4
mA
IOL
LOW Level Output Current
8
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,
2.7
3.4
V
Output Voltage
VIL = Max
VOL
LOW Level
VCC = Min, IOL = Max,
0.35
0.5
Output Voltage
VIH = Min
V
IOL = 4 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
−0.36
mA
IOS
Short Circuit Output Current
VCC = Max (Note 3)
−20
−100
mA
ICCH
Supply Current with Outputs HIGH
VCC = Max
0.8
1.6
mA
ICCL
Supply Current with Outputs LOW
VCC = Max
1.4
2.8
mA
Symbol
Parameter
CL = 50 pF, RL = 2 kΩ
Units
Min
Max
tPLH
Propagation Delay Time
418
ns
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
315
ns
HIGH-to-LOW Level Output


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