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M74HC154 数据表(PDF) 5 Page - STMicroelectronics

部件名 M74HC154
功能描述  4 TO 16 LINE DECODER/DEMULTIPLEXER
PDF  8 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M74HC154 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)
TA =25
oC
-40 to 85
oC
Min.
Typ.
Max.
Min.
Max.
tTLH
tTHL
Output Transition Time
2.0
30
75
95
ns
4.5
8
15
19
6.0
7
13
16
tPLH
tPHL
Propagation Delay Time
(A, B, C, D - Y)
2.0
65
175
220
ns
4.5
19
35
44
6.0
16
30
37
tPLH
tPHL
Propagation Delay Time
(G1, G2 - Y)
2.0
55
160
200
ns
4.5
17
32
40
6.0
15
27
34
CIN
Input Capacitance
5
10
10
pF
CPD (*)
Power Dissipation Capacitance
57
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
SWITCHING CHARACTERISTICS TEST
CIRCUIT
TEST CIRCUIT ICC (Opr.)
INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF
SWITCHING CHARACTERISTICS TEST.
M74HC154
5/8



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