HEF4047BT,652

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multivibrator
• Characteristics: High-speed operation, low power consumption
• Package: SOIC-14
• Essence: HEF4047BT,652 is a multivibrator IC that generates square wave signals.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 3V to 15V
• Operating Temperature Range: -40°C to +125°C
• Output Frequency Range: 1Hz to 10MHz
• Propagation Delay: 60ns (typical)

Pin Configuration

HEF4047BT,652 has a total of 14 pins. The detailed pin configuration is as follows:

1. Pin 1: Oscillator Input A
2. Pin 2: Oscillator Input B
3. Pin 3: Reset Input
4. Pin 4: Ground (GND)
5. Pin 5: Output Q1
6. Pin 6: Output Q2
7. Pin 7: Output Q3
8. Pin 8: Output Q4
9. Pin 9: VDD (Positive Power Supply)
10. Pin 10: Control Voltage Input
11. Pin 11: Timing Capacitor CT
12. Pin 12: Timing Resistor RT
13. Pin 13: Unused
14. Pin 14: Unused

Functional Features

• Generates stable square wave signals with adjustable frequency
• Can be used as a clock generator or timing element in various applications
• Low power consumption makes it suitable for battery-operated devices
• Wide operating voltage range allows flexibility in different power supply configurations

Advantages and Disadvantages

Advantages: - High-speed operation enables precise timing control - Compact SOIC-14 package saves board space - Low power consumption prolongs battery life

Disadvantages: - Limited output current capability - Requires external timing components for frequency adjustment

Working Principles

HEF4047BT,652 is based on the concept of a multivibrator circuit. It consists of two oscillators (A and B) that are connected to a flip-flop. The timing capacitor (CT) and resistor (RT) determine the frequency of the output square wave signal. The control voltage input allows fine-tuning of the frequency.

When the reset input is triggered, the flip-flop changes its state, causing the outputs (Q1-Q4) to change accordingly. This generates a square wave with a frequency determined by the timing components.

Detailed Application Field Plans

HEF4047BT,652 finds applications in various fields, including:

1. Timing circuits in electronic devices
2. Clock generators for microcontrollers and digital systems
3. Frequency modulation in communication systems
4. Pulse-width modulation (PWM) in motor control circuits
5. Oscillator circuits in audio equipment

Alternative Models

Here are some alternative models that can be considered as replacements for HEF4047BT,652:

1. CD4047BE: Similar functionality, available in DIP-14 package
2. MC14047B: Higher operating temperature range, available in SOIC-16 package
3. TC4047BP: Lower propagation delay, available in PDIP-14 package

These alternatives offer similar features and can be used as substitutes depending on specific requirements.

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