HCF4040 Просмотр технического описания (PDF) - STMicroelectronics

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производитель

HCF4040

RIPPLE-CARRY BINARY COUNTER/DIVIDERS 12 STAGE

STMicroelectronics 

HCF4040B

TEST CIRCUIT

CL = 50pF or equivalent (includes jig and probe capacitance)

RL = 200KΩ

RT = ZOUT of pulse generator (typically 50Ω)

WAVEFORM 1 : MINIMUM PULSE WIDTH (RESET) AND REMOVAL TIME ( RESET TO Φ) (f=1MHz;

50% duty cycle)

6/10

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