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M74HC253 Datasheet(PDF) 5 Page - STMicroelectronics

No. de pieza M74HC253
Descripción Electrónicos  DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT
PDF  11 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC253 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 x VCC x fIN + ICC/4(per circuit)
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
110
ns
4.5
8
151922
6.0
7
131619
tPLH tPHL Propagation Delay
Time (Cn - Y)
2.0
48
115
145
175
ns
4.5
15
23
29
35
6.0
12
20
25
30
tPLH tPHL Propagation Delay
Time (A, B - Y)
2.0
68
150
190
225
ns
4.5
20
30
38
45
6.0
16
26
32
38
tPZL tPZH High Impedance
Output Enable
Time (G - Y)
2.0
R1 = 1KΩ
36
100
125
150
ns
4.5
12
20
25
30
6.0
9
172126
tPLZ tPHZ High Impedance
Output Disable
Time (G - Y)
2.0
R1 = 1KΩ
22
100
125
150
ns
4.5
11
20
25
30
6.0
9
172126
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
101010
pF
CPD
Power Dissipation
Capacitance (note
1)
5.0
58
pF



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