DM74ALS240A 查看數據表（PDF） - Fairchild Semiconductor
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DM74ALS240A Datasheet PDF : 9 Pages
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Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only.
Symbol
VCC
VI
TA
TSTG
θ JA
Parameter
Supply Voltage
Input Voltage
Voltage Applied to Disabled Output
Operating Free Air Temperature Range
Storage Temperature Range
Typical Thermal Resistance
N Package
M Package
Rating
7V
7V
5.5V
0°C to +70°C
–65°C to +150°C
60.5°C/W
79.8°C/W
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to absolute maximum ratings.
Symbol
VCC
VIH
VIL
IOH
IOL
TA
Parameter
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Operating Free Air Temperature
Min.
4.5
2
0
Typ.
5
Max.
5.5
0.8
–15
24
70
Units
V
V
V
mA
mA
°C
©1986 Fairchild Semiconductor Corporation
DM74ALS240A, DM74ALS241A Rev. 1.3
3
www.fairchildsemi.com
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