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CD4047 Astable/Monostable Multi vibrator IC DIP-14 Package

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CD4047 consists of a getable a stable multi vibrator with logic techniques incorporated to permit positive or negative edge-triggered monostable multi vibrator action with retriggering and external counting options.

Inputs include +TRIGGER, -TRIGGER, ASTABLE, ASTABLE\, RETRIGGER, and EXTERNAL RESET. Buffered outputs are Q\, Q and OSCILLATOR. In all modes of operation, and external capacitor must be connected between C-Timing and RC-Common terminal, and an external resistor must be connected between the R-Timing and RC-Common terminals.

A stable operation is enabled by a high level on the STABLE input or a low level on the ASTABLE\ input, or both. The period of the square wave at the Q and Q\ Outputs in this mode off operation is a function of the external components employed. “True” input pulses on the ASTABLE input or “Complement” pulses on the ASTABLE\ input allow the circuit to be used as a gatable multi vibrator. The OSCILLATOR output period will be half of the Q terminal output in the a stable mode. However, a 50% duty cycle is not guaranteed at this output.

The CD4047 triggers in the monostable mode when a positive-going edge occurs on the +TRIGGER-input while the -TRIGGER is held low. Input pulses may be of any duration relative to the output pulse.

The CD4047-Series types are supplied in 14-lead hermetic dual-in-line ceramic packages (F3A suffix), 14-lead dual-in-line plastic packages (E suffix), 14-lead small outline packages (M, MT, M96, and NSR suffixes), and 14-lead thin shrink small-outline packages (PW and PWR suffixes).

Features:-

  • Lower power consumption: special CMOS oscillator configuration
  • Monostable (one-shot) or a stable (free-running) operation
  • True and complemented buffered outputs
  • Only one external R and C required
  • Buffered inputs
  • 100% tested for quiescent current at 20 V
  • Standardized, symmetrical output characteristics
  • 5-V, 10-V, and 15-V parametric ratings
  • Meets all requirements of JEDEC Tentative Standard No. 13B, “Standard Specifications for Description of ‘B’ Series CMOS Devices”
  • Monostable Multi vibrator Features:
    • Positive-or negative-edge trigger
    • Output pulse width independent of trigger pulse duration
    • Retrigger able option for pulse width expansion
    • Internal power-on reset circuit
    • Long pulse widths possible using small RC components by means of external counter provision
    • Fast recovery time essentially independent of pulse width
    • Pulse-width accuracy maintained at duty cycles approaching 100%
  • A stable Multi vibrator Features:
    • Free-running or gatable operating modes
    • 50% duty cycle
    • Oscillator output available
    • Good astable frequency stability:
      Frequency deviation:
      = ±2% + 0.03%/°C @ 100 kHz
      = ±0.5% +0.015%/°C @ 10 kHz (circuits “trimmed” to frequency VDD = 10 V ± 10%)
  • Applications:
    Digital equipment where low-power dissipation and/or high noise immunity are primary design requirements:

    • Envelope detection
    • Frequency multiplication
    • Frequency division
    • Frequency discriminators
    • Timing circuits
    • Time-delay applications

Specifications:-

Parameter Specification
Part number CD4047B
Technology Family CD4000
VCC (Min) (V) 3
VCC (Max) (V) 18
Channels (#) 1
ICC @ nom voltage (Max)(mA) 600
IOL (Max) (mA) 4
IOH (Max) (mA) -4
Rating See Data Sheet
Input Type Standard CMOS
Output Type Push-Pull
Features Balanced

cd4047-ic-datasheet

* product image for illustration purposes only. actual product may vary.

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