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M74HC148 View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
M74HC148 8 TO 3 LINE PRIORITY ENCODER ST-Microelectronics
STMicroelectronics ST-Microelectronics
M74HC148 Datasheet PDF : 11 Pages
1 2 3 4 5 6 7 8 9 10
M54/M74HC148
DC SPECIFICATIONS
Symbol
Parameter
Test Conditions
VCC
(V)
TA = 25 oC
54HC and 74HC
Value
-40 to 85 oC -55 to 125 oC Unit
74HC
54HC
Min. Typ. Max. Min. Max. Min. Max.
VIH High Level Input 2.0
Voltage
4.5
1.5
1.5
1.5
3.15
3.15
3.15
V
6.0
4.2
4.2
4.2
VIL Low Level Input 2.0
Voltage
4.5
0.5
0.5
0.5
1.35
1.35
1.35 V
6.0
1.8
1.8
1.8
VOH High Level
Output Voltage
2.0
4.5
VI =
VIH
IO=-20 µA
1.9
4.4
2.0
4.5
1.9
4.4
1.9
4.4
6.0 or
5.9 6.0
5.9
5.9
V
4.5 VIL 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 2.0
Voltage
4.5
VI =
VIH
IO= 20 µA
6.0 or
0.0 0.1
0.0 0.1
0.0 0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
4.5 VIL 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 6.0 VI = VCC or GND
Current
4
40
80 µA
4/11
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