MC14528BD

Product Overview

• Category: Integrated Circuit
• Use: Digital Logic
• Characteristics: Dual Monostable Multivibrator
• Package: SOIC-16
• Essence: The MC14528BD is a dual monostable multivibrator integrated circuit that is commonly used in digital logic circuits. It provides precise timing control for various applications.
• Packaging/Quantity: The MC14528BD is typically sold in reels or tubes containing 250 units.

Specifications

• Supply Voltage: 3V to 18V
• Operating Temperature Range: -55°C to +125°C
• Propagation Delay: 100 ns (max)
• Trigger Pulse Width: 30 ns (min)
• Output Pulse Width: 500 ns to 1.5 s
• Input Current: ±10 mA (max)

Pin Configuration

The MC14528BD has a total of 16 pins, which are assigned specific functions as follows:

1. Pin 1: Reset A
2. Pin 2: Trigger A
3. Pin 3: Output A
4. Pin 4: Ground
5. Pin 5: Control Voltage A
6. Pin 6: Threshold A
7. Pin 7: Discharge A
8. Pin 8: VCC
9. Pin 9: Control Voltage B
10. Pin 10: Threshold B
11. Pin 11: Discharge B
12. Pin 12: Output B
13. Pin 13: Trigger B
14. Pin 14: Reset B
15. Pin 15: Unused
16. Pin 16: Unused

Functional Features

• Dual monostable multivibrator with independent trigger and reset inputs for each section.
• Precise timing control with adjustable control voltage and threshold levels.
• Output pulse width can be set within a wide range using external components.
• Low power consumption and high noise immunity.
• Wide supply voltage range allows for versatile applications.

Advantages

• Provides precise timing control in digital logic circuits.
• Dual monostable multivibrator allows for independent operation of two sections.
• Adjustable control voltage and threshold levels offer flexibility in pulse width generation.
• Wide supply voltage range enables compatibility with various systems.
• High noise immunity ensures reliable operation even in noisy environments.

Disadvantages

• Limited output pulse width range compared to some alternative models.
• Requires external components for setting the output pulse width, which may increase complexity in certain applications.
• Not suitable for high-frequency applications due to limited propagation delay.

Working Principles

The MC14528BD operates based on the principles of monostable multivibrators. Each section of the IC consists of a trigger input, a threshold input, and an output. When a trigger pulse is applied to the trigger input, the corresponding output goes high for a duration determined by the external components connected to the control voltage and threshold inputs. The output then returns to its low state after the specified pulse width. The reset input can be used to prematurely terminate the output pulse.

Application Field Plans

The MC14528BD finds applications in various fields where precise timing control is required. Some potential application areas include:

1. Timing circuits in microcontrollers and microprocessors.
2. Pulse width modulation (PWM) generation for motor control.
3. Frequency division and clock synchronization in digital systems.
4. Delay circuits for signal processing and synchronization.
5. Sequential logic circuits and flip-flops.

Alternative Models

For users seeking alternatives to the MC14528BD, the following integrated circuits can be considered:

1. CD4528: Dual Monostable Multivibrator with similar functionality and pin configuration.
2. 74HC123: Dual Retriggerable Monostable Multivibrator with adjustable pulse width.
3. CD4098: Dual Precision Monostable Multivibrator with enhanced noise immunity.

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

In conclusion, the MC14528BD is a dual monostable multivibrator integrated circuit that provides precise timing control in digital logic circuits. Its adjustable pulse width, wide supply voltage range, and independent operation make it suitable for various applications. However, users should consider alternative models if they require a wider pulse width range or enhanced noise immunity.