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M74HC148B1R Scheda tecnica(PDF) 4 Page - STMicroelectronics

Il numero della parte M74HC148B1R
Spiegazioni elettronici  8 TO 3 LINE PRIORITY ENCODER
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC148B1R Scheda tecnica(HTML) 4 Page - STMicroelectronics

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M74HC148
4/11
DC SPECIFICATIONS
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
VIH
High Level Input
Voltage
2.0
1.5
1.5
1.5
V
4.5
3.15
3.15
3.15
6.0
4.2
4.2
4.2
VIL
Low Level Input
Voltage
2.0
0.5
0.5
0.5
V
4.5
1.35
1.35
1.35
6.0
1.8
1.8
1.8
VOH
High Level Output
Voltage
2.0
IO=-20 µA
1.9
2.0
1.9
1.9
V
4.5
IO=-20 µA
4.4
4.5
4.4
4.4
6.0
IO=-20 µA
5.9
6.0
5.9
5.9
4.5
IO=-4.0 mA
4.18
4.31
4.13
4.10
6.0
IO=-5.2 mA
5.68
5.8
5.63
5.60
VOL
Low Level Output
Voltage
2.0
IO=20 µA
0.0
0.1
0.1
0.1
V
4.5
IO=20 µA
0.0
0.1
0.1
0.1
6.0
IO=20 µA
0.0
0.1
0.1
0.1
4.5
IO=4.0 mA
0.17
0.26
0.33
0.40
6.0
IO=5.2 mA
0.18
0.26
0.33
0.40
II
Input Leakage
Current
6.0
VI = VCC or GND
± 0.1
± 1
± 1
µA
ICC
Quiescent Supply
Current
6.0
VI = VCC or GND
440
80
µA


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