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| M74HC4049 Datasheet, PDF (4/8 Pages) STMicroelectronics – HEX BUFFER/CONVERTER (INVERTER) | |||
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M74HC4049
CAPACITIVE CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
CIN Input Capacitance 5.0
5 10
10
10 pF
CPD Power Dissipation
Capacitance (note 5.0
26
pF
1)
1) CPD is defined as the value of the ICâs 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/6 (per gate)
TEST CIRCUIT
CL = 50pF or equivalent (includes jig and probe capacitance)
RT = ZOUT of pulse generator (typically 50â¦)
WAVEFORM : PROPAGATION DELAY TIMES (f=1MHz; 50% duty cycle)
4/8
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