DM74AS1805N 查看數據表（PDF） - Fairchild Semiconductor
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DM74AS1805N Datasheet PDF : 4 Pages
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Absolute Maximum Ratings(Note 1)
Supply Voltage
Input Voltage
Operating Free Air Temperature
Storage Temperature Range
Typical θJA
N Package
M Package
7V
7V
0°C to 70°C
−65°C to +150°C
58.3°C/W
154.0°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
TA
Operating Free Air Temperature Range
0
Nom
5
Electrical Characteristics
over recommended operating free air temperature range
Symbol
Parameter
Conditions
VIK
VOH
VOL
II
IIH
IIL
IO
ICCH
ICCL
Input Clamp Voltage
HIGH Level
Output Voltage
LOW Level Output Voltage
Input Current at Maximum Input Voltage
HIGH Level Input Current
LOW Level Input Current
Output Drive Current
Supply Current with Outputs HIGH
Supply Current with Outputs LOW
VCC = 4.5V, II = −18 mA
IOH = −2 mA, VCC = 4.5V to 5.5V
IOH = −3 mA, VCC = 4.5V
IOH = Max, VCC = 4.5V
VCC = 4.5V, IOL = Max, VIH = 2V
VCC = 5.5V, VI = 7V
VCC = 5.5V, VI = 2.7V
VCC = 5.5V, VI = 0.4V
VCC = 5.5V, VO = 2.25V
VCC = 5.5V
VCC = 5.5V
Min
VCC −2
2.4
2
−50
Switching Characteristics
over recommended operating free air temperature range
Symbol
Parameter
TPLH
TPHL
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
Conditions
VCC = 4.5V to 5.5V
RL = 500Ω
CL = 50 pF
Max
5.5
0.8
−48
48
70
Typ
3.2
−135
6.5
20
Min
1
1
Units
V
V
V
mA
mA
°C
Max
−1.2
Units
V
V
0.5
V
100
µA
20
µA
−500
µA
−200
mA
10
mA
32
mA
Max
4.3
Units
ns
4.3
ns
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