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The CD4047B is capable of operating in either the monostable or astable mode. It requires an external capacitor (between pins 1 and 3) and an external resistor(between pins 2 and 3) to determine the output pulse width in the monostable mode, and the output frequency in the astable mode.
Features: *Wide supply voltage range: 3.0V to 15V *High noise immunity: 0.45 VDD(typ.) *Low power TTL compatibility: Fan out of 2 driving 74L or 1 driving 74LS
*Low power consumption: special CMOS oscillator configuration *Monostable (one-shot) or astable (free-running) operation
*True and complemented buffered outputs *Only one external R and C require
Applications • Frequency discriminators • Timing circuits • Time-delay applications • Envelope detection • Frequency multiplication • Frequency division