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DM74ALS273WM View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
View to exact match
DM74ALS273WM
Fairchild
Fairchild Semiconductor Fairchild
DM74ALS273WM Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
Absolute Maximum Ratings(Note 1)
Supply Voltage
Input Voltage
Operating Free Air Temperature Range
Storage Temperature Range
Typical θJA
N Package
M Package
7V
7V
0°C to +70°C
65°C to +150°C
60.0°C/W
79.0°C/W
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
Symbol
Parameter
Min
VCC
Supply Voltage
4.5
VIH
HIGH Level Input Voltage
2
VIL
LOW Level Input Voltage
IOH
HIGH Level Output Current
IOL
LOW Level Output Current
fCLK
Clock Frequency
0
tW(CLK)
Width of Clock Pulse
HIGH
14
LOW
14
tW
Width of Clear Pulse
LOW
10
tSU
Data Setup Time (Note 2)
10
Clear Inactive
15
tH
Data Hold Time
0
TA
Free Air Operating Temperature
0
Note 2: The () arrow indicates the positive edge of the Clock is used for reference.
Nom
5
Max
5.5
0.8
2.6
24
35
70
Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C.
Symbol
Parameter
Conditions
Min
Typ
VIK
Input Clamp Voltage
VCC = 4.5V, II = −18 mA
VOH
HIGH Level
VCC = 4.5V
IOH = −2.6 mA
2.4
3.3
Output Voltage
VCC = 4.5V to 5.5V
IOH = −400 µA VCC 2
VOL
LOW Level
Output Voltage
VCC = 4.5V
IOL = 12 mA
IOL = 24 mA
0.25
0.35
II
Input Current @ Maximum Input Voltage VCC = 5.5V, VIH = 7V
IIH
HIGH Level Input Current
VCC = 5.5V, VIH = 2.7V
IIL
LOW Level Input Current
VCC = 5.5V, VIL = 0.4V
IO
Output Drive Current
VCC = 5.5V
VO = 2.25V
30
ICC
Supply Current
VCC = 5.5V
Outputs HIGH
11
Outputs OPEN
Outputs LOW
19
Switching Characteristics
over recommended operating free air temperature range.
Symbol
Parameter
Conditions
fMAX
tPHL
tPLH
tPHL
Maximum Clock Frequency
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
VCC = 4.5V to 5.5V
RL = 500
CL = 50 pF
From
To
Min
35
Clear
Any Q
4
Clock
Any Q
2
Clock
Any Q
3
Units
V
V
V
mA
mA
MHz
ns
ns
ns
ns
ns
°C
Max
1.5
0.4
0.5
0.1
20
0.2
112
20
29
Units
V
V
V
V
V
mA
µA
mA
mA
mA
mA
Max
Units
MHz
18
ns
12
ns
15
ns
3
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