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M74HC173 Scheda tecnica(PDF) 6 Page - STMicroelectronics

Il numero della parte M74HC173
Spiegazioni elettronici  QUAD D-TYPE REGISTER 3-STATE
PDF  12 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC173 Scheda tecnica(HTML) 6 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.
tREM
Minimum
Removal Time
2.0
50
555
ns
4.5
5
5
5
6.0
5
5
5
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
50
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/4 (per circuit)
SWITCHING CHARACTERISTICS TEST WAVEFORM
EACH FLIP-FLOP SHALL BE SET HIGH WHEN
SWITCH IS CONNECTED TO GND LINE AND
IT SHALL BE SET LOW WHEN SWITCH IS
M54/M74HC173
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