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DM74ALS540A Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part No. DM74ALS540A
Description  Octal Inverting Buffer and Line Driver with 3-STATE Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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DM74ALS540A 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 free air temperature range
Switching Characteristics
over recommended free air operating temperature range
Supply Voltage
7V
Input Voltage
7V
Voltage Applied to a
Disabled 3-STATE Output
5.5V
Operating Free-Air Temperature Range
0
°C to +70°C
Storage Temperature Range
−65°C to +150°C
Typical
θ
JA
N Package
58.5
°C/W
M Package
77.5
°C/W
Symbol
Parameter
Min
Nom
Max
Units
VCC
Supply Voltage
4.5
5
5.5
V
VIH
HIGH Level Input Voltage
2
V
VIL
LOW Level Input Voltage
0.7
V
IOH
HIGH Level Output Current
−15
mA
IOL
LOW Level Output Current
24
mA
TA
Free Air Operating Temperature
0
70
°C
Symbol
Parameter
Test Conditions
Min
Typ
Max
Units
VIK
Input Clamp Voltage
VCC = Min, II = −18 mA
−1.5
V
VOH
HIGH Level
VCC = 4.5V to 5.5V
IOH = −0.4 mA
VCC − 2
Output Voltage
VCC = Min
IOH = −3 mA
2.4
3.2
V
IOH = Max
2
VOL
LOW Level
VCC = Min
IOL = 12 mA
0.25
0.4
mA
Output Voltage
IOL = 24 mA
0.35
0.5
II
Input Current @ Maximum Input Voltage VCC = Max, VI = 7V
100
µA
IIH
HIGH Level Input Current
VCC = Max, VI = 2.7V
20
µA
IIL
LOW Level Input Current
VCC = Max, VI = 0.4V
−100
µA
IOZH
HIGH Level 3-STATE Output Current
VCC = Max, VO = 2.7V
20
µA
IOZL
LOW Level 3-STATE Output Current
VCC = Max, VO = 0.4V
−20
µA
IO
Output Drive Current
VCC = Max, VO = 2.25V
−30
−112
mA
ICC
Supply Current
VCC = Max
Outputs HIGH
5
10
Outputs LOW
13
22
mA
Outputs Disabled
11
19
Symbol
Parameter
Conditions
From (Input)
Min
Max
Units
To (Output)
tPLH
Propagation Delay Time
VCC = 4.5V to 5.5V,
A or B to Y
2
12
ns
LOW-to-HIGH Level Output
R1 = R2 = 500Ω,
tPHL
Propagation Delay Time
CL = 50 pF
A or B to Y
2
9
ns
HIGH-to-LOW Level Output
tPZH
Output Enable Time to HIGH Level Output
G to Y
5
15
ns
tPZL
Output Enable Time to LOW Level Output
G to Y
8
20
ns
tPHZ
Output Disable Time from HIGH Level Output
G to Y
1
10
ns
tPLZ
Output Disable Time from LOW Level Output
G to Y
2
12
ns


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