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M74HC688 Datasheet(PDF) 5 Page - STMicroelectronics

No. de pieza M74HC688
Descripción Electrónicos  8 BIT EQUALITY COMPARATOR
PDF  9 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC688 Datasheet(HTML) 5 Page - STMicroelectronics

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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
TEST CIRCUIT
CL = 50pF/150pF or equivalent (includes jig and probe capacitance)
RT = ZOUT of pulse generator (typically 50Ω)
WAVEFORM : PROPAGATION DELAY TIME (f=1MHz; 50% duty cycle)
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
101010
pF
CPD
Power Dissipation
Capacitance (note
1)
32
pF



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