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M54HC251K Datasheet(PDF) 5 Page - STMicroelectronics

No. de pieza M54HC251K
Descripción Electrónicos  RAD-HARD 8-CHANNEL MULTIPLEXER (3-STATE)
PDF  10 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M54HC251K Datasheet(HTML) 5 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr =tf =6ns)
CAPACITIVE CHARACTERISTICS
1) 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 operating current can be obtained by the following equation. ICC(opr) =CPD xVCC xfIN +ICC
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.
tTLH tTHL Output Transition
Time
2.0
30
75
95
115
ns
4.5
8
15
19
23
6.0
7
13
16
20
tPLH tPHL Propagation Delay
Time
(D - Y, W)
2.0
64
130
165
195
ns
4.5
16
26
33
39
6.0
14
22
28
33
tPHL
Propagation Delay
Time
(A, B, C -Y, W)
2.0
80
160
200
240
ns
4.5
20
32
40
48
6.0
17
27
34
41
tPZL tPZH High Impedance
Output Enable
Time
2.0
RL =1 KΩ
36
90
115
135
ns
4.5
11
18
23
27
6.0
9
15
20
23
tPLZ tPHZ High Impedance
Output Disable
Time
2.0
RL =1 KΩ
26
85
105
130
ns
4.5
13
17
21
26
6.0
11
14
18
22
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.
CIN
Input Capacitance
5.0
5
10
10
10
pF
CPD
Power Dissipation
Capacitance
(note 1)
5.0
62
pF



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