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M54HC4049 数据表(PDF) 5 Page - STMicroelectronics

部件名 M54HC4049
功能描述  HC4050 HEX BUFFER/CONVERTER HC4049 HEX BUFFER/CONVERTER INVERTER
PDF  11 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M54HC4049 数据表(HTML) 5 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns)
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
CL
(pF)
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
50
25
60
75
90
ns
4.5
7
121518
6.0
6
101315
tPLH
tPHL
Propagation
Delay Time
2.0
50
30
75
95
115
ns
4.5
9
151923
6.0
8
131620
2.0
150
45
100
125
150
ns
4.5
14
20
25
30
6.0
12
17
21
26
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
26
pF
CPD isdefined 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 (per Gate)
SWITCHING CHARACTERISTICS TEST WAVEFORM
HC4049
HC4050
M54/M74HC4049/4050
5/11



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