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M54HC42 Scheda tecnica(PDF) 4 Page - STMicroelectronics

Il numero della parte M54HC42
Spiegazioni elettronici  BCD TO DECIMAL DECODER
PDF  10 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M54HC42 Scheda tecnica(HTML) 4 Page - STMicroelectronics

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DC SPECIFICATIONS
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
TA =25
oC
54HC and 74HC
-40 to 85
oC
74HC
-55 to 125
oC
54HC
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
VI =
VIH
or
VIL
IO=-20
µA
1.9
2.0
1.9
1.9
V
4.5
4.4
4.5
4.4
4.4
6.0
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
VI =
VIH
or
VIL
IO=20
µA
0.0
0.1
0.1
0.1
V
4.5
0.0
0.1
0.1
0.1
6.0
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
4
40
80
µA
AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns)
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
TA =25
oC
54HC and 74HC
-40 to 85
oC
74HC
-55 to 125
oC
54HC
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH
tTHL
Output Transition
Time
2.0
30
75
95
110
ns
4.5
8
151922
6.0
7
131619
tPLH
tPHL
Propagation
Delay Time
2.0
64
130
165
195
ns
4.5
16
26
33
39
6.0
14
22
28
33
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
60
pF
(*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD
•VCC •fIN +ICC
M54/M74HC42
4/10



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